static int _i2c_ctrl_open(const audio_codec_ctrl_if_t *ctrl, void *cfg, int cfg_size) ...
J2-6 SDI(MOSI) LCD SPI bus write data signal J2-7 SCK LCD SPI bus clock signal J2-8 LED LCD backlight control signal (high level lighting, if you do not need control, please connect 3.3V) J2-9 ...
The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...
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 ...
It's a solved problem, but I actually prefer a simple web UI.
Friends, there will likely come a time in your life when you have trouble sleeping. When this happens, it may behoove you to ...