Interesting way to learn about electronics is building it ourselves, here is the simple and useful…
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hobby electronic circuits
![](https://theorycircuit.com/wp-content/uploads/2024/06/Red-Blue-LED-Flashing-Circuit-1024x633.png)
Red Blue LED Police Flasher Circuit
Red Blue LED Police Flasher Circuit can be easily constructed by using Two Timer 555 ICs…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2024/03/LED-Chaser-Circuit.png)
LED Chaser Circuit
LED Chaser Circuit is a playful hobby experiment to learn about Timer IC 555, Decade Counter…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2021/08/Simple-FM-Transmitter-Circuit.png)
Simple Voice FM Transmitter Circuit
Simple Voice FM Transmitter Circuit designed by using single NPN BC547 Transistor. This mini FM transmitter…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2020/09/USB-Rechargeable-LED-Circuit-1024x385.png)
USB Rechargeable LED Circuit
USB Rechargeable LED circuit designed for longer glowing time. This circuit has USB C Receptacle hence…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2019/06/cd4511-7-segment-decoder-circuit-1024x463.png)
CD4511 7-Segment Decoder Circuit
Seven Segment display widely used to project numbers in many applications and here is the simple…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2019/06/automatic-street-light-controller-using-ldr-1024x519.png)
Automatic Street Light Controller using LDR
To save electricity and reduce man power we can simply convert normal street light into Automatic…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2024/03/Simple-Broken-Wire-Detector-1024x573.jpg)
Simple Broken Wire Detector
Finding broken wire inside wall or over insulator is very difficult and here is the simple…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2019/05/Mobile-phone-detector-circuit.png)
Mobile Phone Detector Circuit
Simple Mobile phone detector circuit designed with few easily available components and we can detect any…
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