Learn how to use the MAX30102 pre-soldered I2C sensor module for heart rate and SpO2 projects with Arduino, Raspberry Pi, and ESP32.

Quick manual for the pre-soldered HX711 load cell amplifier module used in Arduino scales, weight sensing, and force measurement projects.

Learn how the red MAX7219 4-in-1 dot matrix display module works for SPI scrolling text, counters, and compact Arduino or ESP32 projects.

Quick manual for the 1.3-inch SH1106 128x64 white OLED with 4-pin I2C wiring notes and Arduino, ESP32, and Raspberry Pi compatibility.

Quick guide to the 1.3-inch SH1106 I2C blue OLED with 4-pin wiring, 128x64 display details, and Arduino, Pi, ESP32 uses.

Quick guide to the SSD1306 0.96-inch 128x64 I2C white OLED module for Arduino, Raspberry Pi, and ESP32 projects.

Learn the SSD1306 0.96-inch blue I2C OLED pinout, specs, and setup basics for Arduino, Raspberry Pi, and ESP32 projects.

See how the ST-LINK V2 helps program and debug STM8 and STM32 boards for firmware flashing, testing, and board bring-up.

Learn how to use the AD8232 ECG module with Arduino or ESP32 for heart rate sensing, ECG waveform capture, and wearable health prototypes.

Quick guide to the Arduino Nano V3.0 ATmega328P CH340C Type-C board, including Arduino IDE use, specs, FAQs, and pinout guidance.

Setup guide for a 433MHz 12V single-channel relay board with included remote for simple standalone control of compatible 12V devices.

Use this VL53L0X ToF sensor module with Arduino, Raspberry Pi, or ESP32 for fast I2C distance sensing up to 2 meters.