This circuit was obtained from a 1978 Practical Wireless. It causes an LED to flash at a frequency that depends on capacitor C1. The circuit is ultra low power and can be powered by a single battery for months.
This circuit was obtained from a 1978 Practical Wireless. It causes an LED to flash at a frequency that depends on capacitor C1. The circuit is ultra low power and can be powered by a single battery for months.
