Stepper motors use a cogged wheel and electromagnets to rotate the wheel one ‘step’ at a time. Each HIGH pulse sent to the A4988 stepper driver energises the coil, attracting the teeth closest to the ...

Reverse-osmosis (RO) systems are one way to ensure that you get very clean drinking water. The Waterdrop G3P600 variety that [Tomasz Wasilczyk] recently purchased is definitely among the fanciest and ...

SmokePing is a deluxe latency measurement tool. It can measure, store and display latency, latency distribution and packet loss. It uses RRDtool to maintain a longterm data-store and to draw pretty ...