Meanwhile, relay modules or relay boards are circuit boards that come in many different sizes and shapes. Most of them are rectangular, with 2, 4, 8, or 16 relays mounted. Relay boards include ...

26 thoughts on “ Single Board Relay Computer ” Yann Guidon / YGDES says: September 18, 2017 at 10:19 pm Smart guy ... IME DPDT simplifies things greatly when doing logic.

Henry Engineering’s SuperLight is a logic/control interface for controlling low-voltage studio tally lights. It can directly power 12 V DC LED tally lights that draw up to 500 mA. SuperLight includes ...

Single board relay computer 1 Articles . Single Board Relay Computer. ... It’s got more click and clack than the Tappet family, and is a work of art rendered in DPDT relays.