Binary to Decimal Converter using relays.
000000000(0) to 111111111(511)
This circuit can convert an 9bit binary number to a decimal number.
Set the binary value with the switch at the bottom, and press the push-switch in the 7-segment of the second digit to start the conversion process.
In fact, this circuit can convert up to 10th, but it has been detuned due to lack of space.