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Cool Electronic Circuits
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Enjoy a collection of electronic circuits in our site. Practical tips on electronic circuits. Covers electronic circuits related issues, news, research, tips, and guide.
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Variable DC Power Supply LM317
This DC power supply circuit is adjustable using IC Voltage Regulator LM317. LM317 is a versatile and highly efficient 1.2-37V voltage regulator that can provide up to 1.5A of current with a large heat sink. It's ideal for just about any application....
DC- DC Converter 12V to 24V
This simple circuit is a DC-DC converter that converting up 12V source to a 24V. It can be used to run radios, small lights, relays, horns and other 24V accessories from a 12V vehicle with a maximum draw of about 800mA. This DC-DC Converter can be...
NiCad Battery Charger
This battery charger circuit is designed for recharging NiCad batteries based on an AC-powered current source method. It can crank out as much as 1 amp and can be modified to go even higher by choosing different devices for Q1. Since this circuit use...
Laptop Power Supply for Car 95W
A laptop or notebook computer user while they are away from the home or office knows that sooner or later they will need to plug into a mains outlet to top up the batteries. The car cigarette lighter socket in the car is also an electrical outlet b...
Power Converter 12 VDC-220 VAC 50W
The power converter circuit is aimed to convert 12 VDC to 220 VAC and the process known as inverter. By inverting process will produce a 50W power converter that would supply different small appliances. The DC to AC inverters are widely used in rur...
VHF FM Receiver TDA7000 88-108 MHz
Here is a very simple VHF FM receiver which is little more than a single IC and a "slack handfull" of capacitors. Note that an external amplifier is a really necessity since the unit only delivers about 70mV of AF. See High Power FM Wireless Microp...
