2022-05-21 08:20
Let's use TL431 circuit instead Zener. It's shunt regulator with high efficient, easily uses, cheap. Often, found in common circuits.
The post Experiment TL431 circuits as shunt regulators a… Read More
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Electronic Projects Circuits Blog
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Tags:
experiment
nimh battery solar
transistors
continuity tester
low dropout regulator
electronics
converter
low dropout
mic preamplifier circuit
beginners
Collection of electronics projects and simple electronic circuits as science projects, easy make with PCB, for beginners, hobbyist and student.
2022-05-15 04:12
How to Learn electronics for beginners. Are you a student or who Interested in electronics as a hobby? Or parents who want to find good activities for children. I have been trying to collect… Read More
2022-05-14 16:51
Create continuity tester circuit with buzzer and LED for check solder joint defects, not kill components on PCB, as probe gives tiny current and voltage.
The post Continuity tester circuit w… Read More
2022-05-09 06:50
This circuit offers a variety of Buck DC to DC converters. Because as circuit increase voltage as the usb 5v to 12v dc-dc step-up converter. This circuit is called Boost converter circuit.
T… Read More
2022-04-30 04:19
This is a fixed DC regulator, a 5V low dropout regulator type. It uses a transistor and LED as main parts. It requires an input voltage of at least 6V and there will be 1V lost inside the ci… Read More
2022-04-21 08:16
This is a simple 1.2V AA battery Solar charger circuit. Imagine, if you want to charge only one or two 1.2V AA Ni-MH batteries, and must be charged outdoor without…
The post Simple 1… Read More
2022-04-11 14:44
Today let’s try to make a microphone. By using a condenser microphone preamplifier circuit. Why would we need said circuit? Because of its high sound sensitivity, easy to use, small,&h&hell…Read More
2022-03-31 15:38
Learn how to increase/boost up current of 7805 (or 78xx) regulators with helping the 2N3055 and others transistors.
The post Experiment increase current of 7805 with 2N3055 transistors appea… Read More
2022-03-18 04:54
Learning experiments with simple constant current circuit using transistors, a few plain parts, so helpful, especially Ni-HM battery charger.
The post Constant current circuit using transist… Read More
2022-03-03 07:59
Here is 3.7V to 5V boost converter or step up switching circuit using MC34063 and a few parts,1N5819,100uH. For 200mA-300mA of load current.
The post 3.7V to 5V Boost/Step-up DC converter ci… Read More
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