In my last tutorial I created a NodeMCU based Duino Coin Miner. It is an awesome little miner that sits on my desk and mines few cents a day. However, adding these miners to my home network choked my ...

3 different radio modules connected to 3 Arduinos. You press a button on any of them, and the pin13 LED of the other 2 will light up. You release the button, and the LEDs will turn off. It seems that ...

[Ralph] wasn’t satisfied with the required 5 control pins to drive his nrf24l01+ transceiver module, so he used this circuit needing just 3 pin using an ATtiny85. One of the key components was to ...