The lucid dream mask use some led wich blinks ,that help you to control your dreams
Step 1: Attiny13 Pinout
In this photo you can se pinout og attiny13 . attiny13 has 8 pin ,reset pin ,power,gnd and 5 pin we can use to program.
Step 2: Connect Attiny to Arduino
To programming attiny we will use arduino uno .
you have to install attiny library and open arduino go to tools ,programmer and select arduino as isp.
upload ArduinoISP . select attiny13 to tools board .
connect led in pin 1,2,3,4 of attiny chip.