Smart Emerald Scramble Suit
Welcome to your new project. Imagine what you can build here.1 Comment
1 Star
Smart Bronze Electromagnetic Shrinking Machine
Welcome to your new project. Imagine what you can build here.1 Star
Thermostat Cost Optimization
Smart Thermostat design using an ESP32 module for WiFi connectivity and a BME680 sensor for environmental monitoring. The user interface includes an E-ink display and an encoder for settings adjustment. Power: USB and Battery Movement sensor... show more52 Comments
1 Star
Married Red Electromagnetic Shrinking Machine
The Smart Hospital Bed is designed to enhance the care and comfort of patients with limited mobility by streamlining repositioning and maintaining detailed health records. It features automated repositioning options via an intuitive control interface, along with a rotating mechanism that allows the bed to transform into a chair for better comfort and adaptability. Additionally, its health data recording system provides real-time data base record on vital signs and posture, accessible remotely by healthcare providers helps them with decision making.... show more26 Comments
1 Star
Wireless wearable glove
This project is a wireless wearable glove (smart glove) for sign language translation. It uses Arduino Nano - ATMega328P, Accelerometer - ADXL345 and a Bluetooth module HC -05 to transmit and display the signs on any compatible display device like a mobile phone or a LCD - LM016L. In this project, I have used a 5x8 LCD display - LM016L to display the test converted. (strings, numbers etc.)... show more19 Comments
1 Star
nRF52810 Watch Template
This is a smart watch project based on E73-2G4M04S1A module with SoC nRF52810 on board. OLED display and coin battery #wearable #nRF52810 #E73 #Ebyte #BLE #referenceDesign... show more9 Comments
1 Star
Project Sunflower Seeds V1.1
Solar-powered autonomous development board that allows you to grow your project from a small seed to a big, beautiful flower. AAA(10440) LiFePO4 battery as energy storage. BQ25504 Ultra Low-Power Energy Harvester... show more3 Comments
1 Star
BLM02AX121SN1_CLONE
The BLM02AX121SN1# is a chip ferrite bead manufactured by Murata, designed to function as a resistor at noise frequencies, thereby minimizing resonance and maintaining signal integrity. This surface-mount device (SMD) features a compact size of 0.4mm x 0.2mm, making it ideal for noise suppression in small electronic equipment, such as PA modules for cellular phones. The component operates effectively across a wide frequency range (30MHz to several hundred MHz) without requiring a ground connection, making it suitable for circuits without stable ground lines. The BLM02AX121SN1# offers a rated current of 250mA at 125°C, a maximum DC resistance of 0.50Ω, and an impedance of 1200Ω at 100MHz with a tolerance of ±25%. It is available in two packaging options: bulk (bag) with a standard packing quantity of 1000 units and 180mm paper tape with 20000 units. The device is compliant with RoHS and REACH standards, ensuring its suitability for consumer and certain medical and industrial applications.... show more1 Comment
1 Star
Flora Mainboard
FLORA has a small but easy to use onboard reset button to reboot the system. The power supply is designed to be flexible and easy to use. There is an onboard polarized 2 JST battery connector with protection schottky diode for use with external battery packs from 3.5v to 16v DC in. Can be used with LiIon/LiPoly, LiFe, alkaline or rechargeable NiMh/NiCad batteries of any size. The FLORA does not have a LiPo charger included by design, this allows safe use with multiple battery types and reduces risk of fire as it is not recommended to charge these batteries on fabric.... show more1 Comment
1 Star
Arduino Pro Mini 328 clone
Arduino that runs an 8 MHz bootloader on a super small, super thin board.1 Comment
1 Star
ATtiny85 Termo Buzzer board
The ATtiny85 Thermo Buzzer Board is a small but powerful tool that can help you prevent dangerous situations caused by high temperatures, making it an essential device for safety-conscious individuals. #safetyfirst #hightemperaturewarning #electronicsafety #attiny85project #makerscommunity... show more1 Comment
1 Star
Adafruit Trinket Mini Microcontroller - 3V3 Logic
A tiny microcontroller board, built around the Atmel ATtiny85, a little chip with a lot of power. We wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation. Perfect for when you don't want to give up your expensive dev-board and you aren't willing to take apart the project you worked so hard to design. It's our lowest-cost arduino-IDE programmable board!... show more1 Comment
1 Star
Personal-Dosimeter
Small personal dosimeter based on SBM-21 Geiger tube with OLED display.1 Comment
1 Star
ArduTouch
ArduTouch is really just an Arduino Uno clone with a small amplifier & speaker, with a PCB touch keyboard, a couple of extra buttons, and a couple of pots (for playing music and controlling the sounds). The ArduTouch Arduino Library is where the real magic comes from!... show more1 Comment
1 Star
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Realistic Brown Battle Mech
Nice — you can do a clean pulse + latch using a single quad Schmitt-NAND chip: 74HC132 (or 74LVC132 for 3.3 V systems). The HC132 contains four 2-input NAND gates with Schmitt inputs so you can both clean a noisy SYN480R DATA line and build an SR latch (NAND SR is active-LOW) inside one package. Only a few passives and a driver transistor are needed. Below is a ready-to-build recipe (parts, wiring, explanation, tuning tips, and an ASCII schematic) — no extra logic ICs required. Parts (per latch) 1 × 74HC132 (quad 2-input NAND with Schmitt inputs). If your system is 3.3 V use 74LVC132 / 74HC132 rated for 3.3 V. Rin = 47 kΩ (input series) Cfilter = 10 nF (input RC to ground) — tweak for debounce/clean time Rpulldown = 100 kΩ (pull-down at input node, optional) Rpullup = 100 kΩ (pull-up for active-LOW R input so reset is idle HIGH) Rbase = 10 kΩ, Q = 2N2222 (NPN) or small N-MOSFET (2N7002) to drive your load Diode for relay flyback (1N4001) if you drive a coil Optional small cap 0.1 µF decoupling at VCC of IC Concept / how it works (short) Use Gate1 (G1) of 74HC132 as a Schmitt inverter by tying its two inputs together and feeding a small RC filter from SYN480R.DATA. This removes HF noise and provides a clean logic transition. Because it's a NAND with tied inputs its function becomes an inverter with Schmitt behavior. Use G2 & G3 as the cross-coupled NAND pair forming an SR latch (active-LOW inputs S̄ and R̄). A low on S̄ sets Q = HIGH. A low on R̄ resets Q = LOW. Wire the cleaned/inverted output of G1 to S̄. A valid received pulse (DATA high) produces a clean LOW on S̄ (because G1 inverts), setting the latch reliably even if the pulse is brief. R̄ is your reset input (pushbutton, HT12D VT, MCU line, etc.) — idle pulled HIGH. Q drives an NPN/MOSFET to switch your load (relay, LED, etc.). Recommended wiring (pin mapping, assume one chip; use datasheet pin numbers) I’ll refer to the 4 gates as G1, G2, G3, G4. Use G4 optionally for additional conditioning or to build a toggler later. SYN480R.DATA --- Rin (47k) ---+--- Node A ---||--- Cfilter (10nF) --- GND | Rpulldown (100k) --- GND (optional, keeps node low) Node A -> both inputs of G1 (tie inputs A and B of Gate1 together) G1 output -> S̄ (S_bar) (input1 of Gate2) Gate2 (G2): inputs = S̄ and Q̄ -> output = Q Gate3 (G3): inputs = R̄ and Q -> output = Q̄ R̄ --- Rpullup (100k) --- VCC (reset is idle HIGH; pull low to reset) (optional) R̄ can be wired to a reset pushbutton to GND or to an MCU pin Q -> Rbase (10k) -> base of 2N2222 (emitter GND; collector to one side of relay coil) Other side of relay coil -> +V (appropriate coil voltage) Diode across coil If you prefer MOSFET low side switching: Q -> gate resistor 100Ω -> gate of 2N7002 2N7002 source -> GND ; drain -> relay coil low side... show more1 Star
Auto-Layout Example May 2025
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!... show more1 Star
WT32-ETH01
- ESP32, WT32-ETH01 Transceiver; 802.11 b/g/n/e/i (Wi-Fi, WiFi, WLAN), Bluetooth® Smart 4.x Low Energy (BLE) 2.4GHz ~ 2.5GHz Evaluation Board #CommonPartsLibrary #DevelopmentBoard #RF #EvaluationBoard #Wifi #Bluetooth #Module... show more1 Star
arduino uno
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!... show more1 Star
SOT-23-5
SOT-23-5 is a small 5-pin Surface Mount Device (SMD) package with a body size of 3mm x 1.4mm and a lead pitch of 0.95mm. The package has a low profile and is commonly used for small signal transistors and diodes. #part #template... show more1 Star
ESP32 IMU Template
This project is a small 100mm X 100mm quadcopter controlled by ESP32 and MPU-6050 Template #drone #motorController #ESP32 #controller #motor #helicopter #referenceDesign #project #quadcopter #MPU6050 #template... show more1 Star
AI Pendant
A small, inexpensive but high quality AI Pendant which stores and analyzes sound after the user presses a button. Operates via tether to phone.... show more1 Star
tol s
Preamplificador dual de bajo ruido para contrabajo con dos canales piezo independientes: canal UP con sensor LDTM-028K y canal DOWN con dos LDT0-028K en paralelo, alimentado con batería de 9 V y usando exclusivamente OPA1642. Incluye buffers de entrada de ultra alta impedancia (>=20 MOhm), control de ganancia independiente, filtrado HPF 20-30 Hz y LPF 15-18 kHz, ecualización activa de 3 bandas por canal, protección contra inversión de polaridad, filtrado RF en entradas, desacoplo 100 nF + 10 uF por rail por amplificador, topología de star ground, salidas SMA separadas compatibles con Fishman Presys Blend 301, objetivo de consumo total <5 mA, impedancia de salida <3.5 kOhm, nivel nominal de salida 0.25 V RMS y máximo 1 V RMS sin distorsión. Diseño listo para PCB y fabricación con enfoque de ruido mínimo.... show moreSeparate Pink Replicator
Fully passive dual-chain X-Band upconverter with two 5–7 GHz SMA RF inputs, a single external LO SMA passively split to two mixer chains, and dual on-board 8–10 GHz 50 Ω PCB outputs with PI-match networks, no DC-powered components, BOM <$300 #PassiveUpconverter #DualChain #XBand #NoDCPower #BOMUnder300... show moreArchitectural Lavender Translation Collar
Architectural Lavender Translation Collar – ESP32‑S3 Wi‑Fi + LoRa, USB‑C, Li‑ion, low‑power design Overview Experience a cutting-edge IoT solution with this low‑power board built around the ESP32‑S3‑MINI‑1‑N8. Designed for seamless Wi‑Fi (2.4 GHz), BLE, and LoRa (868 MHz) connectivity, this board integrates ENS161 and ENS210 sensors over I2C alongside an RFM95W‑868 LoRa radio on SPI. It is powered via a 3.7 V Li‑ion cell with USB‑C charging up to 500 mA, complete with full battery protection, a robust 3.3 V rail tailored for Wi‑Fi burst currents, and per‑peripheral power gating to enhance energy efficiency. Core Features • MCU: ESP32‑S3‑MINI‑1‑N8 equipped with an onboard PCB antenna for 2.4 GHz Wi‑Fi/BLE, ensuring optimal wireless performance. • Sensors: Integrated ENS161 and ENS210 sensors utilize a shared I2C bus with controllable 4.7 kΩ pull‑ups for streamlined communication. • LoRa Radio: The RFM95W‑868 module, connected via SPI, enables long‑range communication at 868 MHz. Power & USB‑C Connectivity • Battery: A reliable 3.7 V 1200 mAh Li‑ion battery connected via a right‑angle JST‑PH 2‑pin connector features built‑in battery protection. • Charging: The USB‑C receptacle, with CC resistors and TVS protection on D+/D− along with series resistors, supports fast, safe charging with a current limit of 500 mA. • Regulation: A dedicated 3.3 V regulator capable of handling Wi‑Fi burst currents coupled with bulk and high‑frequency decoupling ensures stable operation, supported by status LEDs indicating power and charge states. Low‑Power Control • Peripheral Management: Load switches allow selective power‑gating of the ENS161, ENS210, and RFM95W modules, controlled directly by ESP32‑S3 GPIOs. • Energy Efficiency: Controllable I2C pull‑ups minimize idle current, vital for prolonged battery life in IoT applications. RF and Antenna Integration • 2.4 GHz: Utilizes the integrated PCB antenna on the ESP32‑S3 with proper ground/metal keep‑out zones for optimal signal integrity. • 868 MHz: Features a controlled‑impedance feed from the RFM95W to a PI matching network (C‑L‑C pads) with flexible antenna options—selectable via SMA connector, chip antenna, or PCB trace—and includes RF ESD protection. Connectivity & Debug Features • USB‑C Interface: Provides secure data connectivity with integrated safeguards and proper terminations. • Debugging: A comprehensive programming/debug header exposes EN, BOOT, and UART lines, with test points on key rails and buses (3V3, VBAT, SCK, MOSI, MISO, SDA, SCL, RESET/EN, GND) to simplify development and troubleshooting. Design Verification • Rigorous ERC/DRC and decoupling checks ensure adherence to component ratings and optimal signal routing. • Maintain RF keep‑outs and impedance‑controlled traces for both 2.4 GHz and 868 MHz paths, securing reliable performance even during high‑intensity operations. #IoT #ESP32S3 #LoRa #LowPowerDesign #USB-C #WirelessConnectivity #BatteryPowered #RFDesign... show moreYucky Silver Pip boy
8–10 GHz RO4350B RF Power Detector with BFU710F LNA, BAT15-03W Shunt Detector (rotated polarity), MLIN/MLEF Matching, SMA Input, Export-Ready for ADS Simulation and Manufacturing #RotateD1 #ExportReady... show moreAdafruit Feather M4 Express LoRa HAT(915MHz)
This project is a communication device designed with Adafruit's 3857 Microcontroller (U1) and Hoperf's RFM95W-915S2 RF module (U2). The microcontroller interfaces with the RF module via SPI protocol for wireless data transmission. The project also includes a capacitor (C1) and an SMA connector (J1). #LoRa #IoT #project #M4 #Adafruit... show moreSmart Blind Control System Reference Design b5ik f105
This is a smart blind control system reference design designed to automate the operation of window blinds. It utilizes an ESP32 microcontroller for managing control signals and an A4988 stepper motor driver to control blinds' movement. It also includes USB interfacing and LED feedback. #referenceDesign #edge-computing #edgeComputing #espressif #template #blind #DC #motor #servo #esp32 #reference-design... show more37 Comments
ESPRSSO32 Smart Scale AI Auto Layout [Example] uL11
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!... show more33 Comments
ESPRSSO32 Smart Scale AI Auto Layout [Example]
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!... show more23 Comments
ESP32-S3 - PLC for Home and Small industry
ESP32-S3-PLC For Home and Small Industry, include 8 12V SSR to control DC and AC Current, 8 isolated I/O and a ESP32 as a brain with a USB C to upload the code and the connectivity advantages of the ES32 like WIFI and Bluetooth.... show more21 Comments
ESPRSSO32 Smart Scale AI Auto Layout [Example]
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!... show more17 Comments
E-ink Smart Thermostat Reference Design
This project is a Smart Thermostat design using an ESP32 module for WiFi connectivity and a BME680 sensor for environmental monitoring. The user interface includes an E-ink display and an encoder for settings adjustment. Power is managed through a USB-C connector with a 3.3V regulator. #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #thermostat #referenceDesign #edge-computing #edgeComputing #espressif #template #reference-design... show more16 Comments
ESPRSSO32 Smart Scale AI Auto Layout [Example]
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!... show more15 Comments
ESPRSSO32 Smart Scale AI Auto Layout [Example] 6kwY
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!... show more15 Comments