I am upgrading the lighting in a model with simple circuit which has 17 LEDs (approximately) plus one or two 555 timers. Presently, everything is powered by 3 AAA batteries. It drains between 150 and ...
Hello I have 45 10mm Ultra Bright 7000mcd LED's with a Forward Voltage of 3.2 - 3.6 that have a Maximum Current of 20mA Max of 50mA peak for 10% Pulse Width. that came with 50 1/4W 100 ohm Resistor, ...
What do i need to make a USB device that has 4 LEDS that I can control from a PC software that I will build. I just need to make a software with 4 buttons (on/off) each button to control a single ...
I want to make a grid of 12 LEDS which is powered by a USB cable... I know that the voltage is too high for one LED..the cpu stops the voltage after 2 sec. So what is the setup i need to use to do ...
I have a 4 port USB hub with 3 INCREDIBLY BRIGHT led lights on the circuit board I would prefer removed. I've googled a bit and found a user of this site actually describe the process very well.. ...
I've been writing Linux character device drivers for other people's stuff for some time. I'd like to find a new hobby and the thought of making my own USB gizmos seems really neat. I would be ...