Description: $2 for pcb Prototype, for more information visit: Download the codes here Arduino simple shield potentiometer ...

Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive ...

A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...

For the measurement of the heart-rate-variability it is necessary to measure an ECG first. This is done with three electrodes attached to the left arm, the right arm and the left foot. Those ...