Use a 3D printed encoder wheel, LED, and 2 photocells to demonstrate how a quadrature encoder works.
Project tutorial by Shawn hymel
Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.
by Phillip Stevens
This tester can be used for NiCd, NiMh, and all flavors of Li-Ion rechargeables.
Project showcase by sim-flynn-13
An Arduino interface to communicate with devices using the LANC (Control-L) protocol such as many Sony and Canon cameras/camcorders.
Project showcase by L-Rosen
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