Hardware Guides

Setup, pinout and troubleshooting walkthroughs for the boards we sell. Written from the questions our customers actually ask.

ESP-WROOM-32 ESP32 USB driver install, Arduino IDE board profile, cable and power checks, and a step-by-step walkthrough for boards that look dead. ESP32-S3 Super Mini ESP32 Arduino IDE setup, pinout reference, a Wi-Fi scanner example, troubleshooting tips and full specifications. ESP32-WROOM-32U ESP32 Fitting the U.FL external antenna, Arduino IDE configuration, and range tips for ESPresense, Home Assistant and BLE tracking. ESP8266 (NodeMCU 1.0) ESP8266 Arduino IDE installation, board manager setup, USB driver notes, and uploading your first sketch to the ESP-12E module. Raspberry Pi Pico Raspberry Pi USB connection methods, SWD debugging, MicroPython setup, common troubleshooting, and a WiFi network scanner example for Pico W. Raspberry Pi Zero 2 W Raspberry Pi Power supply and SD card checks, HDMI and boot troubleshooting, and how to tell a real fault from an accessory problem.

Can't find your board? Ask us and we'll write it up.