jkjjjjj
Used to measure night light for the purpose of adjusting camera exposure time, this circuit was found in an Electronics World of 1969. The sensor is an LDR and the transistors are from that time.
jkjjjjj
Used to measure night light for the purpose of adjusting camera exposure time, this circuit was found in an Electronics World of 1969. The sensor is an LDR and the transistors are from that time.