Raspberry Pi, ESP32 & Arduino Tutorials

Build an ESP32 + AMG8833 thermal viewer that renders a smooth interpolated heat map on an ILI9341 TFT, plus a quick OLED...

Build an ESP32 quadruped spider robot with eight micro servos and Bluetooth phone control, using calibration trims for straight, smooth walking from...

Build an ESP32 MPU6050 tilt glove that controls a 2WD robot car over ESP-NOW with proportional steering, speed control, and a link-loss...

Build an ESP32 decibel meter with an INMP441 I2S mic and SSD1306 OLED to compute real dB SPL, add peak-hold, and calibrate...

Build an ESP32-CAM OV3660 Wi-Fi JPEG server and a Python OpenCV client for live MobileNet-SSD object detection and QR reading, using ShillehTek...

Build an ESP32 MAX485 Modbus gateway that polls RS-485 Modbus RTU and mirrors registers as Modbus TCP for Home Assistant and Node-RED...

Build an ESP8266 D1 Mini WS2812B controller with a phone web page for color, brightness, and effects, with safe power wiring tips...

Build an ESP32 + RC522 RFID attendance logger with NTP timestamps, a live Wi-Fi web dashboard, and one-click CSV export, using ShillehTek...

Build an ESP32 KY-023 joystick BLE gamepad with four buttons that pairs natively to Android and Windows using Bluetooth HID, using parts...

Build an Arduino Nano servo tester with KY-040 encoder and SSD1306 OLED to center, sweep, and record up to 16 EEPROM keyframes...

Learn to use and calibrate the LCR-T4 transistor tester to identify transistors, diodes, capacitors, and inductors fast, plus build a Nano LCD...

Build a TTGO T-Internet-POE wired ESPHome node with a DHT11 sensor and relay, powered by PoE for stable Home Assistant control and...