Sensor maker Tollgrade Communications says its new LightHouse MV Power Sensor solves this problem, achieving voltage measurements with 0.5 percent accuracy -- an unprecedented claim from an ...

Posted in clock hacks Tagged arduino, frequency, grandfather clock, hall effect sensor, magnet, mains ← Little Sister’s Turn For Hobby Electronic Party Favors Coffee Table Arcade Cabinet → ...

Melexis has launched the MLX91230, the first product of its third generation of current sensors – the MLX91230. The device brings 0.5% accuracy at an affordable price in a compact design. It ...

[lingib]’s dual sensor echo locator uses two HY-SRF05s, but the cheap and plentiful HC-SR04s will work, too. Both sensors are arranged for maximum beam overlap and wired up to an Arduino Uno.