Help please.” I only had the Arduino UNO board and a couple of LEDs so this project was not tested completly using the LDR optocouplers and the light bulbs, but is should work accordingly to this ...

Featuring low-input drive currents of 1 mA and 5 mA, the company’s latest optocouplers with phototransistor output in DIP-4, SSOP-4 half-pitch miniflat, and SOP-4L long miniflat ...

Avago Technologies has introduced a low power 10MBd digital CMOS optocoupler, which it claimed has the lowest power consumption of a device of its type.

In this project, we create a joystick-controlled laser by connecting two servos to a joystick and using this setup as a pan-and-tilt controller for a ...