Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled ... of course but I’ve not tried them myself (up to now). Doing some digging online, it seems that Doc Walker had made ...

Also it is pretty easy to make your own programmer, or you can program the ESP-01 module with the help of the Arduino IDE. ESP01 is probably ... When a pre-programmed ESP module is inserted into the ...

Over the last decade, the open-source movement has not only transformed the world of software ... Boot the Pi and complete the initial setup. Use Arduino to handle sensor input and relay control. Pi ...