# Tactile Switches: Wiring, Debouncing, and PCB Design Learn how tactile switches work, how to wire two-pin and four-pin switches, prevent switch bounce, and select the right footprint for your PCB. Written by [Gabriel Hacohen](#) Published Oct 2026 - 8 min read ![Tactile Switches: Wiring, Debouncing, and PCB Design](https://www.flux.ai/p/assets/blogs/tactile-switches-guide/main.webp) **Quick Answer:** A tactile switch is a momentary, normally open push button that uses a metal dome for physical click feedback. Two-pin switches close one connection when pressed; four-pin switches pair two internally connected terminals that bridge together on actuation. Correct wiring needs a pull-up or pull-down resistor, and correct operation needs debouncing to filter the brief contact chatter each press produces. ### Key Takeaways - [A tactile switch closes a normally open contact](#what-is-a-tactile-switch-and-how-does-it-work) only while pressed, and its click comes from a flexing dome, not a separate electrical mode. - [Four-pin tactile switches pair terminals internally](#two-pin-and-four-pin-switches), so a quick multimeter check before wiring prevents a rotation error from creating a permanent short. - [Debounce methods trade response time against component count](#how-to-debounce-a-tactile-switch), and the right choice depends on the specific switch, not one fixed value. Selecting and wiring a tactile switch seems simple until pin configuration, pull resistors, and contact bounce start affecting reliability. A tactile switch, sometimes called a tactile push button, is the small momentary control behind most reset buttons and compact user interfaces on a circuit board. This guide covers how it works, how to wire and debounce it, and what to check when selecting a footprint for production. ![A tactile switch closes a normally open contact while its dome is pressed.](https://www.flux.ai/p/assets/blogs/tactile-switches-guide/body-1-main.webp) A tactile switch closes a normally open contact while its dome is pressed. ## What Is a Tactile Switch and How Does It Work? A tactile switch is a momentary, normally open push button. Under the cap sits a curved metal dome that snaps downward when pressed. The movement closes the circuit and creates the click associated with a tactile switch. Tactile feedback describes the physical sensation of the dome flexing, not a separate electrical mode. Electrically, a tactile switch is simply a contact that stays open when idle and closes only while actuated. A few specifications distinguish one tactile switch from another: - **Actuation force:** the force needed to trigger the dome, in grams-force (gf); light switches sit around 100 to 160 gf, while stiffer switches run 260 gf or higher. - **Travel:** the actuator's movement before the dome snaps, typically a fraction of a millimeter. - **Electrical ratings:** the voltage and current the contacts carry directly, usually modest values suited to logic-level signals. - **Mechanical life:** the rated actuation cycles before contact resistance or feel degrades, from roughly 100,000 to over 1,000,000 depending on the part. A latching switch stays in its new state until pressed again, while a tactile switch returns to open as soon as the finger lifts. The momentary switching action suits reset pulses and single presses rather than persistent on/off states. ![Side-by-side wiring schematics comparing active-low (pull-up resistor) and active-high (pull-down resistor) tactile switch configurations.](https://www.flux.ai/p/assets/blogs/tactile-switches-guide/body-2-main.webp) Side-by-side wiring schematics comparing active-low (pull-up resistor) and active-high (pull-down resistor) tactile switch configurations. ## Tactile Switch Pinouts and Wiring Tactile switches ship in two-pin and four-pin arrangements, and misreading the internal pin relationships is a frequent wiring mistake. ### Two-Pin and Four-Pin Switches Two-pin and four-pin tactile switches differ mainly in their internal terminal connections. - **A two-pin switch** has one leg on each side of the dome. The connection stays open while the switch is idle and closes when the button is pressed. - **A four-pin switch** has two legs on each side. The two legs on the same side are internally connected at all times. Pressing the button connects one side to the other. The extra legs primarily provide mechanical stability. Before wiring an unfamiliar four-pin switch, check the pairing with a multimeter: whichever adjacent leg pair already reads continuous with the button unpressed is the internally bonded side. **Rotating a four-pin footprint by 90 degrees is a common layout mistake.** An internally connected pair can then land across the input and reference lines, so the connection reads closed regardless of actuation. Always confirm pin numbering against the datasheet before finalizing rotation. ### Active-Low vs. Active-High Tactile Switch Wiring | **Wiring Style** | **Switch Connects To** | **Resistor Needed** | **Pin Reads When Pressed** | | --- | --- | --- | --- | | Active-low | Input pin to ground | Pull-up resistor to supply | Low (0V) | | Active-high | Input pin to supply | Pull-down resistor to ground | High (supply voltage) | Active-low is the more common style, since many microcontrollers, including [Arduino boards](https://www.flux.ai/p/blog/arduino-code-a-comprehensive-guide-for-beginners) and ARM Cortex-M boards, offer a configurable internal [pull-up resistor](https://www.flux.ai/p/blog/understanding-pull-up-and-pull-down-resistors-a-guide-for-arduino-and-microcontrollers) that removes the need for a discrete external part. ## How to Debounce a Tactile Switch A mechanical contact does not close cleanly. The dome bounces against the pad several times before settling, and a microcontroller can register one press as several if left unfiltered. ### Tactile Switch Debouncing Methods | **Method** | **How It Works** | **Trade-Off** | | --- | --- | --- | | Software delay | Pauses code after an edge | Simple, but blocking | | State-based debounce | Confirms a stable state first | Non-blocking, more firmware | | RC filter | Slows the edge with R and C | No firmware, more parts | | Schmitt-trigger conditioning | Adds hysteresis for a clean edge | Pairs well with an RC filter | | Dedicated debounce IC | Debounces in hardware | Reliable, adds cost | Software methods cost no extra parts and suit a single prototyping button. Hardware methods remove debounce timing from the microcontroller. Such methods become more useful as the number of buttons or production volume increases. The right resistor, capacitor, and delay values depend on the specific switch, so treat any figure as a starting point to verify on the bench. ## Choosing a Tactile Switch for a PCB Selecting a tactile switch is a mechanical decision as much as an electrical one, since the footprint, enclosure cutout, button cap, and PCB location all depend on each other. ### Tactile Switch Selection Criteria for PCB Design | **Parameter** | **What to Check** | | --- | --- | | Mounting style | SMD for compact builds; through-hole for more strength | | Actuation style | Top-actuated for panels; side-actuated for edge controls | | Dimensions and actuator height | Must line up with the enclosure wall and cutout | | Actuation force | Lighter for frequent use; higher to resist accidents | | Current and voltage ratings | Sized for logic-level signals rather than a switched load | | Environmental sealing | IP-rated for washable or outdoor products | | Mechanical life | Rated cycles versus expected product lifetime | Use the manufacturer's published footprint rather than a generic reference drawing. Pad spacing and courtyard dimensions can differ between switch series with the same nominal package size. An incorrect footprint can cause poor solder joints, mechanical movement, or assembly problems. ## PCB Layout and Testing Best Practices Good tactile switch placement starts with the enclosure, not the schematic. A few habits catch most switch problems before a board reaches manufacturing: - **Placement:** align the switch beneath the enclosure opening so the actuator travels straight without binding. - **Trace routing:** keep the switch trace short and away from noisy nets like switching regulators. - **ESD protection:** add a series resistor, a capacitor to ground, or a TVS diode on any user-accessible switch. - **Test points:** add one on the switch signal line for easier test access. - **Clearance:** verify courtyard and actuator height against neighboring parts and the enclosure boss in 3D. - **Orientation:** confirm the footprint matches the datasheet pinout, especially on four-pin switches. - **Debounce testing:** confirm bounce settles within the expected window on a scope or logic analyzer. - **3D review:** compare the board model against the enclosure CAD before fabrication. Flux can combine several of the PCB checks above in one workflow: search the parts library for a switch, drop its symbol and footprint onto the canvas during [schematic capture](https://www.flux.ai/p/blog/schematic-capture-explained), then let automated rule checks and the 3D view catch [common PCB design mistakes](https://www.flux.ai/p/blog/5-pcb-design-mistakes-that-could-ruin-your-board) before fabrication. ## Build Your Tactile Switch Circuit in Flux A working tactile switch circuit depends on the pinout, pull resistor, debounce approach, and footprint all fitting together. Flux brings schematic capture, verified footprints, and collaborative PCB review into one browser-based environment to check that work before fabrication. [Start your next tactile switch layout in Flux](https://www.flux.ai/p). ## FAQs ### How does a four-pin tactile switch work? A four-pin tactile switch keeps the two legs on each side internally connected at all times. Pressing the button connects the two sides. Electrically, the four-pin configuration functions like a two-pin switch, with each terminal pair forming one node. ### Does a tactile switch have polarity? A tactile switch has no electrical polarity because the contact operates identically in either electrical direction. However, incorrect rotation of a four-pin footprint can connect two internally bonded terminals across separate circuit nodes and create a short. ### What is the difference between a push button and a tactile switch? A push button is the broad category of any manually actuated switch. A tactile switch is a push button design with an internal metal dome that produces a distinct click, unlike membrane or capacitive buttons. ### Do tactile switches need pull-up resistors? Active-low tactile switch wiring needs a pull-up resistor to hold the input at a defined high level while the switch is open. Many microcontrollers include an internal pull-up resistor, so an external resistor may not be necessary. ### Why does a tactile switch need debouncing? A tactile switch needs debouncing because the mechanical contact bounces briefly against the pad during actuation, and a microcontroller can misread the resulting transitions as multiple presses. ### Can a tactile switch control a load directly? A tactile switch can directly control a load only within the manufacturer's specified current and voltage ratings. Tactile switches are typically rated for logic-level signals rather than motors or lamps. Higher-current loads require a transistor, MOSFET, or relay controlled by the switch. 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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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)[ ![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 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)[ ![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)[ ![How to Wire a Potentiometer: Pinout, Diagrams, and PCB Examples](https://www.flux.ai/p/assets/blogs/how-to-wire-a-potentiometer/main.webp) ### How to Wire a Potentiometer: Pinout, Diagrams, and PCB Examples 8 Min Read](https://www.flux.ai/p/blog/how-to-wire-a-potentiometer) See All (107) ## 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)