In this post we learn about a 5 simple siren circuits, using Arduino and also with ordinary components such as transistors and capacitors yet is able to produce an alarm […]
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3 Sound Activated Switch Circuits Explained
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 […]
IC LM321 Datasheet – IC 741 Equivalent
The IC LM321 is the single op amp version of LM324 which is a quad op amp IC and carries 4 of these ICs in one package. Therefore for applications […]
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 […]
Subwoofer Music Level Indicator Circuit
The post discusses a LED music power level indicator for indicating a subwoofer bass power range, which can be also modified as an effective dancing Electroluminescent Wire light show. The […]
Adjustable 3V, 5V, 6V, 9V,12V,15V Dual Power Supply Circuit
The purpose of this paper is to detail a variable dual lab power supply circuit which has an adjustable range from 3V, 5V, 6V, 9V, 12V, and 15V or even […]