This sensitive circuit produces na outpu signal when a body is detected by the sensor. The circuit operates sensing electrostic charges. The sensor is a loop of bate wire or a metalic sphere. The transistor can be replaced by a BF245.
This sensitive circuit produces na outpu signal when a body is detected by the sensor. The circuit operates sensing electrostic charges. The sensor is a loop of bate wire or a metalic sphere. The transistor can be replaced by a BF245.