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Archives for Power supply

InPowered battery charger circuit

InPowered battery charger circuit diagram schematic 6V-12V using NE555, LM7812, 2SA671, 1N4002, BC549 auto battery charger circuit On a lithium-ion cell, 3.8V/cell indicates a state-of-charge of about 50%. It must be noted that utilizing voltage as a fuel gauge function is inaccurate because cells made by different manufacturers produce a slightly different voltage profile. This […]

Power Clean Energy Solutions – How Sell Solar Works ?

Solar cell is essentially an active element that turns sunlight into electrical energy. countries crossed by the equator and receives more heat than other countries, so as to have a very large potential for developing solar power plants. Various installations of solar cells has been widely used, although only a few community groups who can. […]

Temperature Sensor

Temperature Sensor Temperature Sensor electronic circuit The USB Humidity measures the relative humidity and air temperature though a hole in the middle of the housing. The device contains a calibrated precision sensor with a measurement accuracy of ±2 % relative humidity and ±0.4°C in most part of measurement range.The size of the device is about […]

PNP transistor

PNP transistor system PNP transistor system

It is a termostat for a peltier cooler !

It is a termostat for a peltier cooler ! using LM358, IFR530 It is a termostat for a peltier cooler ! Piezo buzzer Circuit using LM358, IFR530

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