This is a fun and relatively simple prank that is ideal to use anywhere. It is fairly simple to build using circuito.io and arduino.
Project tutorial by Robin
nRF24L01 radio transceiver provides very efficient and inexpensive way to establish communication between microcontrollers.
ESP8266 ESP-01 chip provides a really low cost and effective way to communicate over the internet.
Attiny85/84 is very small and powerful chip from Atmel. In this tutorial we can add Bluetooth capabilities to this micro controller.
Hello Kai ,
For this issue try uploading the code without connecting the GPIO pin 2 to the led this might work.
Thank you Steve Charlesworth
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