This circuit is based on the light comparison of two LDR sensors. We found it in a 90s Popular Electronics. The transistor must be according to the indicator or load being driven.
The timing steps of this circuit are indicated by a 7-segment display. The circuit was found in...
The maximum power of the controlled load depends on the triac used. The circuit is from a Radio...
Analog Devices ADuCRF101 Wireless Data Acquisition System Now at Mouser February 24, 2015 - Mouser...