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 ...

[Sam Wilkinson] recently installed a Dreo CLF513S ceiling fan in his place — it’s cheap, well-sized, and blows air around as you’d expect it to. The only problem is that it only works with an ugly ...

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 ...