The post details 3 simple sound activated relay switch circuits which can used as a module for any system that might be assigned to trigger by detecting some kind of […]
No Load Detector and Cut-off Circuit for Inverters
The post discusses a relay cut-off circuit which may be included in inverters to ensures that under a no load at the output the condition is quickly detected and the […]
Automatic Bathroom/Toilet Engage indicator Circuit
The post explains a very simple automatic bathroom/Toilet Engage indicator circuit which can be installed with any relevant door bolt for implementing the actions. The idea was created and submitted […]
Industrial Valve Switching Detector Indicator Circuit
The following post explains a circuit idea which can be used for identifying the switching pattern of set of valves from a remote location, using just two wire from the […]
如何让狗叫防喷器电路使用你好吗gh Frequency Deterance
The discussed circuit is designed to discourage dogs from barking in the selected zone by the generation of a synchronized ultrasonic sound waves in response to a few initial barking […]
Up/Down LED Indicator using LM3915
This circuit can be used for moving an LED bar graph in the upward sequence or downward sequence through a couple of push button switches. The concept can be implemented […]





