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Simple Metal Detector Circuit
This post shows you how to make a Metal Detector Circuit using two BC547 NPN Transistor. This is a very simple circuit. The buzzer makes a sound as it moves the metal part near the …
DIY & Mini Projects Archive
High Power 5v Regulator Circuit
This post shows you how to build a high power 5V Regulator using z44 Mosfet and BC 547 Transistor. The 5V zener diode used in it helps to get constant 5V. In this circuit, the …
100mhz FM Transmitter Circuit
In this post we will see how to make 100mhz FM Transmitter using Bc547 Transistor. The FM Transmitter is built using a crystal oscillator without the use of a winding coil. This circuit can operate …
How To Make High Power Touch Sensor Circuit
This post describes how to build a High power Touch Sensor using three NPN Transistors. Two TiP3055 Transistors and one BC547 Transistor are used. This Touch Sensor Circuit is powered by a 12V DC Supply. …
How To Make DIY Light Detecting Sensor Using Diode
This post describes how to use a 4007 Diode as a Light Detecting Sensor. The ceramic part on the top of the diode used in this has been removed as shown in the picture below. …
Make A Simple 3.7v Li-ion Battery Charger Circuit Using TC3582DA IC
This post describes how to build a 3.7V Li-ion Battery Charger circuit using TC3582DA. This Charger Circuit has Battery charging indicator and Battery full Indicator. When the Charging Indicator is Battery Charge, the Red LED …
Wireless AC Line Detector Circuit With BT136 Triac
This post describes how to build a wireless Ac Line Detector using BT136 Triac. This Line Tester is made up of BT136 Triac, BC548 Transistor and Two LED. This Line Tester is used to detect …
Wireless AC Line Tester Using LM324 IC New Idea
This post describes how to build a wireless Ac Line Tester using LM324 IC. This Line Tester is made up of only one LM324 IC and one LED. This Line Tester is used to detect …
Amazing Idea With Relay & BC547 Transistor
This circuit is used as voltage level indicator and short circuit protection circuit. The LED in it is used to determine the magnitude of the LED in which the Red Color LED stands for 10 …
How To Make 775 Motor Speed PWM Controller Circuit
This post explains how to control the speed of a 775 DC Motor using the 555 Timer IC. This circuit is high power and can be used to easily adjust the speed of the motor. …