This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #referenceDesign #edge-computing #edgeComputing #stm #template #reference-design

Board for low power projects based on ESP32. It has I2C connector, one UART connector, boot and reset buttons and RGB led #led #esp32 #sd #iot

PCB con un MCU diseñado para conectar un PC con el control de un auto RC de juguete. El MCU recibe mensajes UART del PC que indican comandos direccionales (adelante, atrás, izquierda, derecha) y activa uno de cuatro pines GPIO para simular pulsaciones de botones en el control del auto RC.

This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #referenceDesign #edge-computing #edgeComputing #stm #template #reference-design

This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #referenceDesign #edge-computing #edgeComputing #stm #template #reference-design

A smart ESP32-based battery management system controller board for Lithium ion battery packs/cells. Capable of communicating to wide varieties of hybrid-smart inverters with CANbus, RS485 and UART communication.

This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #referenceDesign #edge-computing #edgeComputing #stm #template #reference-design

Important Note: You must connect your own SPI/ICSP programming header if you want to burn the Arduino bootloader to the MCU. SMD Manufacturing: Need a hotplate and solderpaste Good to haves: - Oscillator Decoupling Caps Expose UART via connector Programming Button Onboard LED Reset Button You don't have to populate everything! Only these are mandatory: Reset Button Find the reference schematic here: https://www.arduino.cc/en/uploads/Main/ArduinoNano30Schematic.pdf

This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #referenceDesign #edge-computing #edgeComputing #stm #template #reference-design

Board for low power projects based on ESP32. It has I2C connector, one UART connector, boot and reset buttons and RGB led

Production-intent universal replacement for the common JBD BMS UART Bluetooth module, adding ESP32-C3 Wi-Fi/BLE, USB-C service, protected 5–36 V input, dual external NTC probes, and internal humidity/temperature sensing.

ESP32-based cellular IoT board using a Telit Cinterion TX62-W LTE-M/NB-IoT modem with integrated eSIM/eUICC support, UART host control, and dedicated power/RF design blocks.

Raspberry Pi 5 HAT with 12V DC input protection, 12V-to-5V buck regulation, 40-pin GPIO header, MPU6050 I2C header, NEO-8M UART header, and GPIO status LED.

Mạch điều khiển 4 khóa điện tử dùng ESP32, optocoupler chống nhiễu/cách ly tín hiệu, MOSFET low-side, đầu nạp UART riêng và domino nguồn/tải.

Four-layer ESP32-S3 robotic leak-detection and pipe-marking controller with protected 12 V distribution, high-current 5 V power, microphones, servos, marker motor driver, TB6600 control, and myRIO UART.

Placa adaptadora/breakout para ESP32-S3-WROOM-1U con headers de 2.54 mm para acceder a alimentación, GND, EN, UART y GPIO.

This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #smartHomeDevices #referenceDesign #edge-computing #edgeComputing #stm #template #referenceDesign

Industrial ESP32-S3 master gateway with Ethernet (W5500), LoRa 433 MHz, microSD storage, RTC, USB-UART console/debug interface (CP2102N), and isolated RS485 ports using ADM2587 transceivers. The design includes ESP32-S3-WROOM-1-N16R2 as the main controller, W5500 Ethernet, LoRa antenna interface, microSD connector, RTC circuitry, CP2102N USB-to-UART programming/debug console, SC16IS752 UART expanders, isolated RS485 channels, power regulation, ESD/surge protection, connectors, and mounting holes. Cellular/BG95/SIM functionality and true RS232 console hardware are not included; J1 is used only as the microSD card connector.

Compact USB dongle PCB for Midea air conditioners based on the mideahvac-dongle architecture, using an ESP32-C6 module, 5V UART level shifting, WS2812B status LED, USB-A appliance connector, and USB-C programming/power.

Teensy 4.1 based coffee machine control board with five 120VAC relay channels, thermocouple and RTD temperature inputs, analog divider inputs, UART breakout, and 5V power input.

This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #smartHomeDevices #referenceDesign #edge-computing #edgeComputing #stm #template #referenceDesign

WiFi-enabled 3/4-inch PVC ultrasonic water flow meter with protected USB-C power, ESP32 WiFi, 3.3V regulation, 12V sensor supply branch, RS485 sensor interface, UART programming, reset network, and status LEDs.

Scary Aquamarine Scramble Suit — Raspberry Pi LiDAR Scanner HAT with TFmini-Plus UART, TMC2209 stepper drive, MPU-6050 IMU, USB-C 5V input, 12V motor input, debug header, LEDs, and test points for indoor 360° obstacle mapping.

Jerky Robot V3 100 mm × 152 mm 2-layer control board with ESP32-S3 and Arduino Nano sockets, screw-terminal I/O, BSS138 UART level shifting, PC817 sensor isolation, optional HX711 interface, status LEDs, test points, top-side component placement, and bottom GND fill for JLCPCB fabrication.

NFC-harvested Omni-Touch wearable board with PN7160 frontend, STM32L041 host MCU, SE050 secure element, palm-grid matrix interface, fingerprint UART connector, and status LED on a flex smart-card form factor.