Just put your mug on the coaster, and the weight of it activates a hidden switch, which causes ... [MakeFunStuff] paired this easy-to-use sensor with an Arduino Nano and five LEDs that show ...

Engineer in Wonderland CNC-related blogs are indexed here Something that is missing when they are bought is automatic end-stops, although the ‘Woodpecker’ control board that comes with the machines, ...

Here is a simple general-purpose security alarm circuit built on the Arduino ... switch in the arduino board. In this way the owner is informed that the alert went off atleast once during his/her ...