Eleksmaker EleksLaser A3 Pro Laser Engraver 2500mW – Review, build and Test
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Author Archives: techydiy
How to Make an Arduino POV (Persistence of Vision) Display
This a POV (Persistence of vision) Display based on an Arduino Pro Mini clone.
BenQ GW2470HM 23.8″ Eye Care Monitor Featuring Low Blue Light Mode and a Flicker Free Screen.
DIY Skull Mirror Project with Arduino Pro Mini, WS2812B Leds, TP4056 & 18650 Rechargeable Battery
How to Make a Snowman LED Mirror with Colour RGB Animation and a Remote Control
Tacklife Cordless Screwdriver SDH13DC 3.6V Li-Ion Review
8431 RPM Fidget Spinner – Arduino Tachometer
This was a fun experiment measuring the rotational speed (rpm) of a fidget spinner using an Arduino Uno, a hall effect sensor and a neodymium magnet. Then seeing just how fast I could make the spinner spin with a shop vac!