This text is aimed at technicians, hobbyists, and students and provides complete circuit diagrams and building instructions for a wide range of creative sleuthing applications. The designs are fully tested and proven effective in real-world alarm, sensor, and security equipment.18V; To transmitter logic board Adj. for 8.5 Vdc Note: Resistor RS allows low charging rates to a fully charged battery Fig. 8-22 Portable alarm power supply. Screws aamp; standoffs Sensor mount Sensor Fresnel lens Chassis box mounted 1.2 anbsp;...
|Title||:||The Alarm, Sensor & Security Circuit Cookbook|
|Publisher||:||McGraw Hill Professional - 1994|