# How to Wire a Potentiometer: Pinout, Diagrams, and PCB Examples Learn how to wire a potentiometer, identify its three pins, build a voltage divider, connect it to Arduino, and add it correctly to a PCB. Written by [Gabriel Hacohen](#) Published Sep 2026 - 8 min read ![How to Wire a Potentiometer: Pinout, Diagrams, and PCB Examples](https://www.flux.ai/p/assets/blogs/how-to-wire-a-potentiometer/main.webp) A potentiometer is a three-terminal variable resistor that adjusts voltage or resistance as a wiper turns. Correct potentiometer wiring depends on which of the three terminals get used, whether the goal is a voltage divider, a two-terminal variable resistor, or a microcontroller input. This guide covers pin identification, wiring diagrams for both configurations, an Arduino connection example, and how those choices carry through to schematic and PCB footprint selection. ## Key Takeaways - [Identifying a potentiometer's three terminals](#potentiometer-wiring-basics-pinout-and-how-it-works) is the first step before any wiring diagram produces the expected result. - [Wiring a potentiometer as a voltage divider](#how-to-wire-a-potentiometer-as-a-voltage-divider) uses all three terminals to produce an adjustable output between two fixed points. - [Choosing and adding a potentiometer to a PCB](#choosing-and-adding-a-potentiometer-to-a-pcb) requires matching the footprint's pad numbering to the part's physical terminal arrangement. ## Potentiometer Wiring Basics: Pinout and How It Works A potentiometer contains a fixed resistive track and a movable contact called the wiper. The track spans the two outer terminals, and its total resistance stays fixed no matter where the wiper sits. The wiper taps the track at a variable point, so resistance between the wiper and either outer terminal changes as the wiper turns. Most through-hole and panel-mount parts are three-pin potentiometers. 3-pin potentiometer wiring starts with identifying which terminal is which: 1. **Terminal A (fixed):** one end of the resistive track, often labeled pin 1. 2. **Wiper (adjustable):** the center terminal, often labeled pin 2, that taps the track at a variable position. 3. **Terminal B (fixed):** the other end of the track, often labeled pin 3. Pin numbering is not standardized across manufacturers; some datasheets place the wiper on pin 1 or pin 3 instead of pin 2. Confirm terminal order against the specific datasheet before wiring or laying out a footprint. **Identifying terminals with a multimeter:** 1. Set the meter to resistance mode and probe two outer pins. A steady reading that holds as the wiper turns confirms the two fixed terminals. 2. Move one probe to the remaining pin and turn the wiper. A reading that sweeps from near zero to the track's full value identifies the wiper. ![A three-terminal potentiometer has two fixed outer terminals connected by a resistive track, with a center wiper that taps a variable point along that track as the wiper turns.](https://www.flux.ai/p/assets/blogs/how-to-wire-a-potentiometer/body-1-main.webp) A three-terminal potentiometer has two fixed outer terminals connected by a resistive track, with a center wiper that taps a variable point along that track as the wiper turns. ## How to Wire a Potentiometer as a Voltage Divider A voltage-divider configuration uses all three terminals to produce an adjustable output between two fixed voltages. 1. **Terminal A** connects to the supply voltage (V+). 2. **Terminal B** connects to ground. 3. **Wiper** delivers the adjustable output, Vout. The output can connect to an analog input or set a comparator threshold. Vout follows the standard voltage-divider relationship: Turning the wiper toward Terminal A raises Vout toward V+; turning it toward Terminal B lowers Vout toward ground. Swapping Terminal A and Terminal B reverses the adjustment direction without changing anything else in the circuit, a common fix when output voltage increases opposite to what a panel label or firmware expects. A typical potentiometer voltage divider sets a comparator's threshold or trims a reference feeding an analog-to-digital converter. Because the wiper usually feeds a high-impedance input into the comparator, loading error stays small. ![Wiring Terminal A to V+ and Terminal B to ground turns the wiper into an adjustable output, Vout, that sweeps between the two supply rails as the wiper rotates.](https://www.flux.ai/p/assets/blogs/how-to-wire-a-potentiometer/body-2-main.webp) Wiring Terminal A to V+ and Terminal B to ground turns the wiper into an adjustable output, Vout, that sweeps between the two supply rails as the wiper rotates. ## How to Wire a Potentiometer as a Variable Resistor A potentiometer also works as a two-terminal variable resistor, or rheostat, using only the wiper and one fixed terminal. Among the common [types of variable resistors](https://www.flux.ai/p/blog/6-types-of-variable-resistors-a-detailed-look-at-their-uses), potentiometers are especially useful when manual adjustment is required. - **Active terminals:** the wiper and one outer terminal carry the current; resistance between them changes as the wiper turns. - **Unused terminal:** the remaining outer terminal carries no current and can be left disconnected. - **Tying the unused terminal to the wiper:** this connection reduces noise and adds a backup contact path if the wiper's connection to the track degrades over time. Rheostat wiring suits low-current adjustment applications such as calibration trims, bias adjustment, and simple current-limiting controls. Notably, running current through only part of the track concentrates heating in a smaller resistive area than a full divider does, so check the datasheet's power rating before relying on rheostat wiring beyond a low-current trim. ### Linear vs. Logarithmic Taper The taper of a potentiometer describes how resistance changes across wiper rotation. 1. **Linear taper:** resistance changes proportionally with rotation. Suited to position sensing and general-purpose voltage dividers. 2. **Logarithmic (audio) taper:** resistance changes along a curve matching human loudness perception. Suited to volume and gain controls. ## Connecting a Potentiometer to Arduino Wiring a potentiometer to an Arduino analog input follows the same connections as the voltage divider above: 1. **Terminal A** connects to 5V (or 3.3V). 2. **Terminal B** connects to GND. 3. **Wiper** connects to an analog pin such as A0. The analog-to-digital converter (ADC) reads the wiper voltage and returns a value from 0 to 1023 on a 10-bit Arduino board. The ADC value tracks wiper position from one end of travel to the other. ``` int potPin = A0; int reading = analogRead(potPin); int scaled = map(reading, 0, 1023, 0, 255); ``` The [Arduino map function](https://www.flux.ai/p/blog/how-to-use-the-arduino-map-function-a-complete-guide) converts the 0-1023 range to any scale a project needs, such as 0-255 for PWM brightness. Reversing the direction in software works like swapping the outer terminals in hardware: pass the map function's output range in reverse order, or swap Terminal A and Terminal B on the board. ## Choosing and Adding a Potentiometer to a PCB Moving from a breadboard diagram to a PCB design adds component selection and footprint verification. ### Potentiometer Selection and PCB Design Factors | **Factor** | **What to Check** | | --- | --- | | Resistance value | Match the divider or rheostat calculation, commonly 1 kΩ to 100 kΩ for general use. | | Taper | Linear for sensing and general trims; logarithmic for audio controls. | | Power rating | Confirm the track dissipates the expected current, especially in rheostat mode. | | Tolerance | Matters more for a voltage reference than for a volume or brightness trim. | | Wiper style | Round, D-wiper, or slotted, matched to the knob or actuator. | | Mounting style | PCB-mounted parts solder to the board; panel-mounted parts wire through an enclosure. | | Mechanical orientation | Rotation direction and travel angle should match the panel layout. | ![Two potentiometer wiring modes: voltage divider (all three terminals used) vs. rheostat (wiper + one terminal, third left floating).](https://www.flux.ai/p/assets/blogs/how-to-wire-a-potentiometer/body-3-main.webp) Two potentiometer wiring modes: voltage divider (all three terminals used) vs. rheostat (wiper + one terminal, third left floating). A schematic symbol for a potentiometer is generic: three terminals and a wiper arrow, without committing to a package or pin arrangement. The manufacturer part and its footprint are where the physical pin order gets fixed, but the physical pin order does not always match the symbol's numbering in [schematic diagrams](https://www.flux.ai/p/blog/what-is-schematic-design). Confirm the footprint's pad numbering against the part's physical terminal arrangement before finalizing layout. ### Common wiring and layout mistakes | **Mistake** | **Cause** | **Fix** | | --- | --- | --- | | Reversed adjustment | Outer terminals wired opposite the schematic's intent | Swap the outer terminals or mirror the footprint | | Floating wiper | Wiper pin left unconnected in rheostat mode | Tie the wiper to the terminal carrying current | | Incorrect footprint mapping | Footprint's pad order does not match the datasheet | Verify pad numbering before sending files to fab | | Exceeding power rating | Track current exceeds the rated wattage | Recalculate dissipation and select a higher-rated part | ## Bringing Potentiometer Wiring Into a Full Design Getting potentiometer wiring right on a breadboard is only the first step. Carrying that same terminal mapping into a schematic and a footprint without errors takes verification from symbol to pad. Flux keeps schematic symbols, footprints, and shared component libraries connected, so a mislabeled wiper terminal gets flagged during DFM review instead of after a board comes back from fab. Designers can also [simulate circuits with AI](https://www.flux.ai/p/blog/simulate-circuits-with-a-prompt) before committing a voltage-divider or rheostat design to layout, or [design circuits with natural language](https://www.flux.ai/p/blog/design-circuits-with-natural-language-copilot-upgrade) to rough out a potentiometer-based reference circuit in minutes. To wire, verify, and lay out a potentiometer circuit from first symbol to finished board, [start a schematic in Flux](https://www.flux.ai/). ## FAQs ### Which pin is the wiper on a potentiometer? The wiper is typically the center pin on a three-pin potentiometer, though order varies by manufacturer. A datasheet check or multimeter test confirms the wiper pin on a specific part. ### Can a potentiometer work with only two pins? A potentiometer can work with only two pins by using the wiper and one outer terminal. Such a connection operates as a variable resistor (rheostat) instead of a voltage divider. ### Why does my potentiometer work in reverse? A potentiometer works in reverse when the outer terminals are wired opposite what the schematic or firmware expects. Swapping those connections, or reversing the mapped range in code, corrects the direction. ### What happens if the wiper is left disconnected? A disconnected wiper in a voltage-divider configuration produces a floating, unpredictable output. In rheostat mode, a disconnected wiper simply breaks the circuit. ### What potentiometer value should I use? Potentiometer value should match the surrounding circuit's impedance and target range. Common values run from 1 kΩ to 100 kΩ; lower values suit circuits sensitive to loading, and higher values suit high-impedance references. ### Can a potentiometer control a high-current load directly? A potentiometer should not control a high-current load directly, since the resistive track has a limited power rating and heats under sustained current. High-current loads need a potentiometer wired to control a transistor or MOSFET driver instead. ## About the author Gabriel Hacohen Electronics Engineer at Flux Gabriel Hacohen is an electrical engineer with deep expertise in analog circuitry, medical devices, high-performance computing, and semiconductors. He holds both Bachelor's and Master's degrees in Electrical Engineering and has written for companies including NVIDIA, Cadence, Synopsys, Netflix, and Autodesk. Let’s start building Build your big idea together with Flux. All you need to do is describe what you want to make, or what problem you want to solve. 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systems](https://www.flux.ai/p/assets/blogs/buck-boost-converters/main.webp) ### Buck and Boost Converters: How They Work and Where They’re Used 3 Min Read](https://www.flux.ai/p/blog/explore-the-advantages-of-buck-and-boost-converter-in-modern-electronics)[ ![Typical schematic diagram of LM2596 buck converter or step-down converter with its various external components like capacitors, zener diode, and inductor](https://www.flux.ai/p/assets/blogs/lm2596/main.webp) ### LM2596 in Action: Case Study of Its Application in Power Supply Units 5 Min Read](https://www.flux.ai/p/blog/lm2596-in-action-case-study-of-its-application-in-power-supply-units)[ ![A complex printed circuit board highlighting the proper usage of ground fills/poor, stitching vias and power planes, without any components.](https://www.flux.ai/p/assets/blogs/gnd-fills-power-planes/main.webp) ### Guide to GND Fills and Power Planes 6 Min Read](https://www.flux.ai/p/blog/guide-to-gnd-fills-and-power-planes)[ ![Illustration for Power Distribution Network (PDN) Design in PCBs](https://www.flux.ai/p/assets/blogs/pdn-design-pcb/main.webp) ### Power Distribution Network (PDN) Design in PCBs 10 Min Read](https://www.flux.ai/p/blog/pdn-design-pcb)[ ![A detailed illustration of PCB grounding techniques showing ground planes, return paths, and noise reduction strategies](https://www.flux.ai/p/assets/blogs/pcb-grounding-techniques/main.webp) ### PCB Grounding Techniques for Noise Reduction and Stability 11 Min Read](https://www.flux.ai/p/blog/pcb-grounding-techniques)[ ![A detailed illustration of high-current PCB design showing trace sizing, thermal management, and power layout strategies](https://www.flux.ai/p/assets/blogs/high-current-pcb-design/main.webp) ### Designing High-Current PCBs: Layout and Safety Considerations 8 Min Read](https://www.flux.ai/p/blog/high-current-pcb-design)[ ![An illustration showing PCB trace resistance calculation concepts with copper traces and measurement tools](https://www.flux.ai/p/assets/blogs/how-to-calculate-pcb-trace-resistance/main.webp) ### How to Calculate PCB Trace Resistance 6 Min Read](https://www.flux.ai/p/blog/how-to-calculate-pcb-trace-resistance)[ ![A focused electrician wearing safety gear is carefully inspecting or repairing an electrical box with wires attached to it. He wears a yellow hard hat, safety glasses, ear protection, and gloves, highlighting the importance of personal protective equipment when working with electrical systems. The meticulous examination of the electrical connections signifies the critical nature of ensuring proper voltage levels and avoiding voltage drop, which can lead to reduced efficiency and potential damage to electrical components.](https://www.flux.ai/p/assets/blogs/voltage-drop/main.webp) ### Voltage Drop Calculations: Formulas, Factors, and Guidelines 5 Min Read](https://www.flux.ai/p/blog/importance-of-voltage-drop-calculations)[ ![An array of AC to DC converter circuit boards featuring components like transformers, bridge rectifiers, and capacitors to facilitate the conversion of alternating current to direct current.](https://www.flux.ai/p/assets/blogs/ac-to-dc-converters/main.webp) ### AC to DC Converter: The Backbone of Power Electronics 4 Min Read](https://www.flux.ai/p/blog/ac-to-dc-converter-the-backbone-of-power-electronics)[ ![AC-to-DC Converters: How They Work, Types, and Design Tips](https://www.flux.ai/p/assets/blogs/hatter/ac-dc-converter/main.webp) ### AC-to-DC Converters: How They Work, Types, and Design Tips 5 Min Read](https://www.flux.ai/p/blog/what-is-an-ac-to-dc-converter-technical-basics-explained)[ ![Illustration for Thermal Management in PCB Design: Methods and Best Practices](https://www.flux.ai/p/assets/blogs/pcb-thermal-management/main.webp) ### Thermal Management in PCB Design: Methods and Best Practices 10 Min Read](https://www.flux.ai/p/blog/pcb-thermal-management)[ ![PCB Thermal Management: Analysis and Design Best Practices](https://www.flux.ai/p/assets/blogs/pcb-thermal-analysis/main.webp) ### PCB Thermal Management: Analysis and Design Best Practices 6 Min Read](https://www.flux.ai/p/blog/achieving-efficient-heat-flow-pcb-thermal-management-best-practices)[ ![Illustration of a PPS chip symbolically powering three fast charging technologies—PPS, Power Delivery (PD), and Quick Charge (QC)—on a dark background.](https://www.flux.ai/p/assets/blogs/programmable-power-supply/main.webp) ### Understanding PPS Fast Charging: What It Is and How It Works 3 Min Read](https://www.flux.ai/p/blog/understanding-pps-fast-charging-what-it-is-and-how-it-works)[ ![Illustration for Decoupling Capacitors in PCB Design: Placement and Selection](https://www.flux.ai/p/assets/blogs/decoupling-capacitors-pcb/main.webp) ### Decoupling Capacitors in PCB Design: Placement and Selection 9 Min Read](https://www.flux.ai/p/blog/decoupling-capacitors-pcb)[ ![The image presents a graphical representation of Multilayer Ceramic Capacitors (MLCCs). On the left side of the image, there is a three-dimensional illustration of a capacitor, with a beige body and alternating white and golden layers, representing the ceramic and metal layers of the capacitor. An arrow points from this illustration to the right side of the image, where there is a cutaway view of a similar capacitor, showing multiple golden conducting layers separated by white ceramic layers, which illustrate the internal structure of the capacitor. The background is dark green, and above the illustrations, in large white and green text, the acronym "MLCCs" is spelled out, followed by the full term "MULTILAYER CERAMIC CAPACITORS" in smaller capital letters.](https://www.flux.ai/p/assets/blogs/multilayer-ceramic-capacitors/main.webp) ### What Is a Multilayer Ceramic Capacitor (MLCC)? 5 Min Read](https://www.flux.ai/p/blog/what-is-a-multilayer-ceramic-capacitor-key-features-and-applications)[ ![Cutaway diagram of a tantalum capacitor showing anode, dielectric, cathode layers, epoxy case, and leads](https://www.flux.ai/p/assets/blogs/tantalum-capacitor/main.webp) ### Tantalum Capacitors Guide: Polarity, Derating & Risks 7 Min Read](https://www.flux.ai/p/blog/tantalum-capacitor)[ ![A big text Amps vs Volts with their corresponding symbols (I and V) as background](https://www.flux.ai/p/assets/blogs/amps-vs-volts/main.webp) ### Amps vs. Volts: Key Differences and How They Work Together 4 Min Read](https://www.flux.ai/p/blog/amps-vs-volts-understanding-the-key-differences)[ ![Shunt resistor, Hall-effect, and current transformer current sensors compared.](https://www.flux.ai/p/assets/blogs/current-sensor-types/main.webp) ### Current Sensor Types: Shunt, Hall Effect, and Current Transformer Comparison 12 Min Read](https://www.flux.ai/p/blog/current-sensor-types)[ ![Never Worry About Stackups Again: Introducing the Stackup Editor](https://www.flux.ai/p/assets/blogs/stackup_editor/main.webp) ### Never Worry About Stackups Again: Introducing the Stackup Editor 3 Min Read](https://www.flux.ai/p/blog/never-worry-about-stackups-again-introducing-the-stackup-editor)[ ![Flux Stackup Editor showing a Standard 4-Layer PCB stackup with Top Copper, Mid-Layer 1, Mid-Layer 2, and Bottom Copper signal layers separated by Prepreg and Core dielectric materials, with layer thicknesses and dielectric constants configured for impedance-controlled PCB design.](https://www.flux.ai/p/assets/blogs/multilayer-pcb-design/main.webp) ### Multilayer PCB Design: Best Practices for Circuit Board Layout 8 Min Read](https://www.flux.ai/p/blog/multilayer-pcb-design-best-practices)[ ![An illustrated guide to PCB materials comparing FR4 and advanced substrates for high-performance circuit board design](https://www.flux.ai/p/assets/blogs/pcb-materials-guide/main.webp) ### How to Choose PCB Materials: FR4 vs Advanced Substrates 7 Min Read](https://www.flux.ai/p/blog/pcb-materials-guide)[ ![A detailed illustration showing the cross-section of a multilayer PCB with different via types including through-hole, blind, buried, and microvias](https://www.flux.ai/p/assets/blogs/pcb-via-types-guide/main.webp) ### Blind Vias, Buried Vias, and Microvias: A Complete Guide to PCB Via Types 12 Min Read](https://www.flux.ai/p/blog/pcb-via-types-guide)[ ![A 2d view and layout of a pcb board design showing different type of vias](https://www.flux.ai/p/assets/blogs/different-type-vias/main.webp) ### Exploring Different Types of Vias in PCB 2 Min Read](https://www.flux.ai/p/blog/exploring-different-types-of-pcb-vias)[ ![A complex PCB board with high-density interconnect (HDI) technology, featuring advanced routing on each of its copper layers.](https://www.flux.ai/p/assets/blogs/smart-micro-vias-blind-buried-vias/main.webp) ### High-Density PCBs just got easier with Smart Vias 4 Min Read](https://www.flux.ai/p/blog/high-density-pcbs-just-got-easier-with-smart-vias)[ ![A detailed illustration of a multilayer PCB cross-section showing via stitching connecting ground planes across layers](https://www.flux.ai/p/assets/blogs/via-stitching-pcb-guide/main.webp) ### How to Use Via Stitching in PCB Design 11 Min Read](https://www.flux.ai/p/blog/via-stitching-pcb-guide)[ ![An illustration of PCB design constraints showing electrical, mechanical, and manufacturing rules](https://www.flux.ai/p/assets/blogs/pcb-design-constraints/main.webp) ### PCB Design Constraints: What Engineers Need to Know 7 Min Read](https://www.flux.ai/p/blog/pcb-design-constraints)[ ![PCB constraint management showing how engineers control layout rules for routing, spacing, and impedance](https://www.flux.ai/p/assets/blogs/pcb-constraint-management/main.webp) ### PCB Constraint Management: How Engineers Control Layout Rules 6 Min Read](https://www.flux.ai/p/blog/pcb-constraint-management)[ ![Design Rule Checking (DRC) in PCB Design: Real-Time vs Batch, Rules, and Common Failures](https://www.flux.ai/p/assets/blogs/pcb-drc/main.webp) ### Design Rule Checking (DRC) in PCB Design: Real-Time vs Batch, Rules, and Common Failures 8 Min Read](https://www.flux.ai/p/blog/pcb-design-rule-checking-drc)[ ![ERC vs DRC in PCB design showing the difference between electrical rule checks and design rule checks](https://www.flux.ai/p/assets/blogs/erc-vs-drc/main.webp) ### Electrical Rule Check (ERC) vs DRC in PCB Design 7 Min Read](https://www.flux.ai/p/blog/erc-vs-drc)[ ![A guide to PCB design reviews covering schematic, layout, and DFM checks for catching errors early](https://www.flux.ai/p/assets/blogs/pcb-design-review-process/main.webp) ### PCB Design Reviews: Best Practices for Catching Errors Early 6 Min Read](https://www.flux.ai/p/blog/pcb-design-review-process)[ ![Common PCB Design Mistakes and How to Avoid Them](https://www.flux.ai/p/assets/blogs/pcb-design-mistakes/main.webp) ### Common PCB Design Mistakes and How to Avoid Them 31 Min Read](https://www.flux.ai/p/blog/pcb-design-mistakes)[ ![Image showing a stack of printed circuit boards (PCBs) with a large white 'X' over them, highlighting '5 Common Mistakes in PCB Design.' The background features intricate PCB traces in red and blue on a dark surface, with a purple gradient highlighting the title. The image emphasizes errors commonly made in PCB design, such as layout, signal integrity, and component placement.](https://www.flux.ai/p/assets/blogs/5-common-mistakes-in-pcb-design/main.webp) ### 5 Common PCB Design Mistakes and How to Avoid Them 7 Min Read](https://www.flux.ai/p/blog/5-pcb-design-mistakes-that-could-ruin-your-board)[ ![A guide to PCB silkscreen design covering labeling, readability, and common manufacturing mistakes](https://www.flux.ai/p/assets/blogs/pcb-silkscreen-design/main.webp) ### PCB Silkscreen Design: Guidelines and Common Mistakes 7 Min Read](https://www.flux.ai/p/blog/pcb-silkscreen-design)[ ![Advanced complex PCB boards using Flux's Smart Polygons](https://www.flux.ai/p/assets/blogs/smart-polygons/main.webp) ### Smart Polygons: Advanced PCB Design Just Got Easier 4 Min Read](https://www.flux.ai/p/blog/smart-polygons-advanced-pcb-design-just-got-easier)[ ![A complex printed circuit board with lots of electronic components. A 3D render of the PCB on Flux.](https://www.flux.ai/p/assets/blogs/new-3d-render/main.webp) ### Automatically Create Photorealistic PCB Renders 3 Min Read](https://www.flux.ai/p/blog/automatically-create-photorealistic-pcb-renders)[ ![A tool on Flux to measure the distance between two pads in PCB editor with a text mm to mil conversion.](https://www.flux.ai/p/assets/blogs/mm-to-mil/main.webp) ### How to Convert from MM to Mils: a Guide for Beginners 4 Min Read](https://www.flux.ai/p/blog/how-to-convert-from-mm-to-mils-a-guide-for-beginners)[ ![Illustration of a printed circuit board showing solder mask over copper traces and exposed pads.](https://www.flux.ai/p/assets/blogs/what-is-solder-mask/main.webp) ### What Is Solder Mask? Materials, Colors, and PCB Design Rules 6 Min Read](https://www.flux.ai/p/blog/what-is-solder-mask)[ ![Designing Custom PCB Outlines: Fixing DXF and SVG Import Failures](https://www.flux.ai/p/assets/blogs/import-dxf-board-outline-error/main.webp) ### Designing Custom PCB Outlines: Fixing DXF and SVG Import Failures 6 Min Read](https://www.flux.ai/p/blog/import-dxf-board-outline-error)[ ![PCB Enclosure Design: How to Design an Enclosure](https://www.flux.ai/p/assets/blogs/pcb-enclosure-design/main.webp) ### PCB Enclosure Design: How to Design an Enclosure 13 Min Read](https://www.flux.ai/p/blog/pcb-enclosure-design)[ ![A PCB layout with IPC design standards that apply to trace width, land patterns, and assembly.](https://www.flux.ai/p/assets/blogs/pcb-ipc-standards/main.webp) ### PCB IPC Standards Explained: IPC-2221, IPC-2152, IPC-7351, and More 9 Min Read](https://www.flux.ai/p/blog/pcb-ipc-standards)[ ![A guide to PCB component selection covering electrical specs, footprints, thermal performance, and sourcing best practices](https://www.flux.ai/p/assets/blogs/component-selection-pcb-design/main.webp) ### Component Selection in PCB Design: How Engineers Choose the Right Parts 7 Min Read](https://www.flux.ai/p/blog/component-selection-pcb-design)[ ![Flux Copilot’s new AI-powered part search makes finding and placing components faster and easier using natural language.](https://www.flux.ai/p/assets/blogs/smarter-part-search/main.webp) ### Smarter Part Search Just Got a Major Upgrade 6 Min Read](https://www.flux.ai/p/blog/smarter-part-search-just-got-a-major-upgrade)[ ![A detailed illustration showing PCB footprint design with pad layout, silkscreen markings, and courtyard boundaries](https://www.flux.ai/p/assets/blogs/pcb-footprint-design-guide/main.webp) ### How to Design a PCB Footprint (Step-by-Step Guide) 8 Min Read](https://www.flux.ai/p/blog/pcb-footprint-design-guide)[ ![A close-up xray of printed circuit board with its multi-layer traces featuring short circuit and over current protection.](https://www.flux.ai/p/assets/blogs/protection-circuit-101/main.webp) ### Protection Circuit 101: Securing Your Electronics from Overcurrent and Short Circuits 5 Min Read](https://www.flux.ai/p/blog/protection-circuit-101-securing-your-electronics-from-overcurrent-and-short-circuits)[ ![Diagram of a simple circuit with an inductor and a flyback diode. The resistor represents the resistance of the inductor's windings.](https://www.flux.ai/p/assets/blogs/flyback-diodes/main.webp) ### Understanding the Flyback Diode: Your Essential Guide to Functionality and Why You Need One 3 Min Read](https://www.flux.ai/p/blog/understanding-the-flyback-diode-your-essential-guide-to-functionality-and-why-you-need-one)[ ![3D render of a zener diode with its electronic symbol and pinout which consists of anode and cathode](https://www.flux.ai/p/assets/blogs/what-is-zener-diode/main.webp) ### What Is a Zener Diode? How It Works and Where It’s Used 5 Min Read](https://www.flux.ai/p/blog/what-is-a-zener-diode-an-essential-breakdown)[ ![A cross-section through an nMOSFET when the gate voltage VGS is below the threshold for making a conductive channel; there is little or no conduction between the terminals drain and source; the switch is off. When the gate is more positive, it attracts electrons, inducing an n-type conductive channel in the substrate below the oxide (yellow), which allows electrons to flow between the n-doped terminals; the switch is on.](https://www.flux.ai/p/assets/blogs/mosfet-basics/main.webp) ### Understanding the Fundamentals: MOSFET Basics for Beginners 6 Min Read](https://www.flux.ai/p/blog/understanding-the-fundamentals-mosfet-basics-for-beginners)[ ![Typical schematic diagram of LM741, a classic operational amplifier](https://www.flux.ai/p/assets/blogs/lm741/main.webp) ### LM741 Pinout: A Deep Dive into a Classic Op Amp 4 Min Read](https://www.flux.ai/p/blog/lm741-pinout-a-deep-dive-into-a-classic-op-amp)[ ![An assortment of variable resistors displayed on a dark background with the text 'Variable Resistors' at the top and a circuit symbol for a variable resistor in the center](https://www.flux.ai/p/assets/blogs/6-types-of-variable-resistors/main.webp) ### 6 Types of Variable Resistors: a Detailed Look at Their Uses 6 Min Read](https://www.flux.ai/p/blog/6-types-of-variable-resistors-a-detailed-look-at-their-uses)[ ### Parallel and Series Resistor Calculator 3 Min Read](https://www.flux.ai/p/blog/parallel-and-series-resistor-calculator)[ ![A resistor showing its different color bands](https://www.flux.ai/p/assets/site-cms/643f890cd71a69ee18b71efa_resistor-color-code-calculator.png) ### Resistor Color Code Calculator 4 Min Read](https://www.flux.ai/p/blog/resistor-color-code-calculator)[ ![A comparison illustration of SMT and through-hole PCB assembly technologies](https://www.flux.ai/p/assets/blogs/smt-vs-through-hole/main.webp) ### SMT vs Through-Hole Technology: Which Should You Use? 8 Min Read](https://www.flux.ai/p/blog/smt-vs-through-hole)[ ![A person soldering a circuit board made with Flux](https://www.flux.ai/p/assets/blogs/flux-soldering/main.webp) ### How to Use Flux When Soldering Electronics 13 Min Read](https://www.flux.ai/p/blog/solder-flux-guide-for-soldering)[ ![Different types of toggle switches scattered and a big text - Toggle switch](https://www.flux.ai/p/assets/blogs/toggle-switch/main.webp) ### The Ultimate Guide to Toggle Switches: Types, Uses, and How They Work 3 Min Read](https://www.flux.ai/p/blog/the-ultimate-guide-to-toggle-switches-types-uses-and-how-they-work)[ ![A push button switch soldered on a rigid-flex printed circuit board](https://www.flux.ai/p/assets/blogs/push-button/main.webp) ### What Is the Science Behind Push Button Switches and How They Work 6 Min Read](https://www.flux.ai/p/blog/what-is-the-science-behind-push-button-switches-and-how-they-work)[ ![Tactile Switches: Wiring, Debouncing, and PCB Design](https://www.flux.ai/p/assets/blogs/tactile-switches-guide/main.webp) ### Tactile Switches: Wiring, Debouncing, and PCB Design 8 Min Read](https://www.flux.ai/p/blog/tactile-switches-guide)[ ![Close up of different types of electrical connectors, wire connectors, and solder connectors piled up.](https://www.flux.ai/p/assets/blogs/electrical-connectors/main.webp) ### Electrical Wire Connector Types and Uses 4 Min Read](https://www.flux.ai/p/blog/the-ultimate-guide-to-electrical-connectors-and-wiring-connection)[ ![An illustration of PCB debugging tools and techniques including multimeter, oscilloscope, and thermal imaging](https://www.flux.ai/p/assets/blogs/pcb-debugging-common-issues/main.webp) ### Why Your PCB Is Failing: Debugging Common Issues 7 Min Read](https://www.flux.ai/p/blog/pcb-debugging-common-issues)[ ![555 Timer Guide: Pinout, Operating Modes, and Circuit Examples](https://www.flux.ai/p/assets/blogs/555-timer/main.webp) ### 555 Timer Guide: Pinout, Operating Modes, and Circuit Examples 10 Min Read](https://www.flux.ai/p/blog/555-timer)[ ![Inverting Op-Amp Circuits: Formula, Gain, and Design Examples](https://www.flux.ai/p/assets/blogs/inverting-op-amp/main.webp) ### Inverting Op-Amp Circuits: Formula, Gain, and Design Examples 10 Min Read](https://www.flux.ai/p/blog/inverting-op-amp) See All (113) ## Let’s start building. Let’s build your idea together. All you need to do is describe what you want to make, or what problem you want to solve. Flux will work with you to make it a reality. [Try it Free](https://www.flux.ai/signup) ![Close-up of a Flux-designed printed circuit board](https://www.flux.ai/p/assets/homepage-v2/mission-visual.webp)