with a lamp and current limiting resistor tucked behind it; with leads brought out to pins and some epoxy potting, these displays would be hard to tell from a large LED seven-segment. Rolling your ...

Our car loan calculator estimates a monthly car payment and total loan cost based on vehicle price, interest rate and loan length. Try different calculator scenarios to determine the best auto ...

The schematic is fairly standard, a microcontroller sends data to 20 5 mm digital RGB LEDs connected in series. Through three little push buttons ... to use USB to serial chips like a FT232 or CH340 ...