Solid State Relay circuit
The special Relay that used replace normally relay, very fast contact load, low voltage input 3V to 24V only Read more
Controls & Timers
Simple Overload protection circuits
This is overload protection for transformers and load, is simple circuit cut off-on by relay. And so fast switch witch SCR driver. can set sensitive by VR1 Read more
SCR DC motor speed control circuit using IC-CMOS
This is speed motor controller circuit of 12V DC motor. as SCR DC motor speed control circuit using IC-4081 CMOS. You can adjust the speed of rotation […] Read more
3 Sound activated switch and Detector Circuit with PCB
This is Sound switch circuit,using IC-1458 and SCR-C106D It will work only if the loud is overdue,for player cameras, can apply to a Burglar alarm circuit Read more
10 sec to 30 min transistor time delay circuit
This is a transistor time delay circuit based on learning the discharge and charge of the C and transistor. This can be used as a timer circuit and applied to OFF electrical appliances. The application has also put relay instead of LED can be enabled. This circuit is working as video below: How it works … Read more