The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
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Add Bluetooth to Arduino and ESP8266 easily using RYB2340 module
I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...
Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...
The BCM2835 chip provides I2C communication protocol from the hardware. However the clock stretching implementation is bad, leading to many issues with slave devices that depend on or use clock ...
This product is open source! Various bits of the code have different licenses applied. Anything SparkFun wrote is beerware; if you see me (or any other SparkFun employee) at the local, and you've ...
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