Archive for May, 2013

1bit half adder with one relay

With just one double relay, you can make an adder capable of performing 1bit additions:

0 + 0 = 0
0 + 1 = 1
1 + 0 = 1
1 + 1 = 0 ( with Carry = 1 )

1bit-half-adder

The circuit design isn’t mine, I found it with a quick google search.

1bit-relay-adder-1
1bit-relay-adder-2

1bit-half-adder-full-detail

This is the complete schematic of the above circuit.