Use LED in Series Calculator to choose the suitable Resistor Value for your LED and LEDs…
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Variable DC Power Supply Circuit using IC 7812
Three terminal Fixed Positive Voltage Regulators 78XX series are most usable on board Voltage regulators available…
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12V Battery Charger Circuit with 555 Timer
Rechargeable Batteries like Lead-Acid Batteries, Sealed Lead-Acid (SLA) Batteries and Nickel-Cadmium (NiCd) Batteries requires frequent charging…
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Single Input 12V and 5V DC Power Supply Circuit
Power supply is essential for every electronic circuits to operate, most of the active device made…
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Parallel Resistor Calculator
We bring you an easy to use calculator to Calculate the equivalent resistance value parallel Resistors,…
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Simple Traffic Light Circuit using IC 555
Timer IC 555 can be a toy for learners, tool for professionals and can be a…
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Full Wave Bridge Rectifier Circuit
Full wave bridge rectifier circuit diagram is widely used in AC to DC converter and DC…
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Negative Reference Voltage Generator Circuit using MAX6125 and MAX828
Negative Reference Voltage Generator Circuit designed by using simple charge-pump inverter and a positive output voltage…
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Condenser Mic Preamplifier Circuit
Simple easy to construct Condenser Mic Preamplifier Circuit designed by using sing transistor (BC547). This PreAmplifier…
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Transistor BC547 as a Heat Sensor
Recently I have searched for cost effective Temperature sensor for client project with moderate sensitivity, purpose…
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