Simple electronics

This is a simple two transistor AM radio using regenerative feedback to enhance the received radio frequency signal. This is a fun DIY electronics project.

During the past year, I replaced a lot of batteries at home with a lot of batteries and replaced them with Li-ion batteries. Lantern radios, Led lantern, Hand b

In this tutorial, we are making a project of a Simple touch switch circuit. It is used to activate a relay instead of an LED and resistor so

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The circuit diagram of a simple electronic code lock is shown in figure. A 9-digit code number is used to operate the code lock.When power supply to the circuit is turned on, a positive pulse is applied to the RESET pin (pin 15) through capacitor C1. Thus, the first output terminal Q1 (pin 3) of the decade counter IC (CD 4017) will be high and all other outputs (Q2 to Q10) will be low. To shift the high state from Q1 to Q2, a positive pulse must be applied at the clock input terminal (pin…

Simple RPM counter/ Tachometer using this sensorhttps://youtu.be/XICi84NOp-sHello friends, today in this video I've shown how to make an ir proximity sensor....

Very Simple High Power 7000W Induction Heater 12v - 40v DC Building a Powerful Induction HeaterHi Dear___Wlecome To My Channel.[ Rj Edit All ]This Channel ...

I have a total of 4 x RGB LEDs. I am hoping to power these as well as a RFduino BLE module with a 3.7V lithium rechargeable battery. I was just wondering how I would go about calculating the resi...

Controlling your door lock through your personal cell phone was never this easy. Learn how to build a simple electronic circuit that will help in converting your ordinary door lock […]