Intercom Circuit is like smart walkie talkie for home use, no need of button it work hands-free with electronics. We talk in mic and it changes voice to electric signal and amplifier make signal strong. Furthermore, one part stop our own speaker sound, so there is no echo or noise and same signal goes to […]
DIY Projects
Simple Phone Transmitter Circuit
Simple Phone Transmitter Circuit uses few parts, as it take sound from phone talk and changes to signal and also signal goes far using antenna. Furthermore, this circuit is easy to make and works well with landline phone. Circuit Working: Parts List: Components Values Quantity Resistors 10k, 47k, 330Ω (1/4 watt ) 1 each Capacitors […]
Mobile Phone Detector Circuit using Transistors
Imagine we have a spy device that finds nearby mobile phones. Mobile Phone Detector Circuit using Transistors is like ear for special signals phones send to towers; it can catch signal even before phone rings like secret talk between phone and tower. Also, it uses transistors, small switches to catch these signals. Circuit Working: Parts […]
Simple Solar Garden Light Circuit using One Transistor
Simple Solar Garden Light Circuit using One Transistor, uses one special switch and a sun power to turn on LED at night. Also, when sun goes down the light turns ON by itself and when sun come back the light turns OFF, like a magic! Circuit Working: Parts List: Components Values Quantity Resistors 1k, 47Ω, […]
How to Illuminate 18 LEDs from a 3.7V Battery
In this post for How to Illuminate 18 LEDs from a 3.7V Battery we need to power 18 LEDs with 3.7V battery like a small light party! Also, to light all LEDs well we need smart plan; we have to make small LED groups and connect in clever way. So use series in line and […]
Buck Converter Circuit for 1 Watt LED Driver
Imagine we have a strong water hose of 12V, but plant need soft sprinkle with 3.3V to 3.5V, then in that case a Buck Converter Circuit for 1 Watt LED Driver is like adapter for hose. Also, it makes pressure low and is good for plant and it control water flow like current, so plant […]