Found in a Hands On Electronics of the 80s, this circuit makes use of a gas sensor of the time. The circuit beeps when it detects gases. The sensor was manufactured at the time by Figaro Engineering Inc.
Found in a Hands On Electronics of the 80s, this circuit makes use of a gas sensor of the time. The circuit beeps when it detects gases. The sensor was manufactured at the time by Figaro Engineering Inc.