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Category: Power Supply Circuits / Solar Cell Circuits Views: 1701 Rank: 0 This circuit is used to measure the current from a solar panel. It has very low power loss for currents in the 0-10A range. It also works as a general purpose DC current meter. The circuit can be used on either the positive or negative side of a DC circuit.Specifications Measured Current: 0-10 Amps DC Circuit Voltage: Will work with DC circuits at any practical voltage. Accuracy: approximately 2%, depending on the meter movement. The current to be measured flows through the 0.01 ohm resistor which caus visit page. Specifications Measured Current: 0-10 Amps DC Circuit Voltage: Will work with DC circuits at any practical voltage. Accuracy: approximately 2%, depending on the meter movement. The current to be measured flows through the 0.01 ohm resistor which caus http://www.solorb.com/elect/solarcirc/imeter/index.html
Related circuits Solar charger for lead-acid batteries This circuit is intended for charging lead-acid batteries with a solar panel. The customary diode that prevents the battery from discharging through the solar panel has been replaced by a FET-comparator combination. The charger will stop charging once a pre-set voltage (temperature compensated)... The capacitor charges until the PNP transistor (here shown as a 2N3906, but you could also use a BC327) receives base current through the Zener and turns on. Then the NPN transistor (here shown as a 2N3904, but you could also use a BC337) turns on and the capacitor is discharged through the... The circuit consists of two stages. The first stage is a "switch" or cut-off device. It detects a voltage above 0.7v from the solar panel and the resistance between its collector-emitter terminals reduces to a very small value. The 10k resistor allows the voltage on the solar panel to rise... This almost trivial circuit may be used to charge a pair of AA or AAA sized rechargeable battery cells from sunlight. The circuit has been used to keep a Palm Pilot and walkman radio running perpetually. This is an unregulated charger, proper charging is achieved by placing the unit in the sun... LED Sensor Electronic Tracker with H-Bridge Drive I decided to make a commercial surface mount PC board using the LED2 sensor concept. It is quite sensitive and can track to a few degrees of accuracy in bright sunlight. If a blocking shadow is used the accuracy is better then 1/4 degree, that`s about as good as you can get with an active... Using a 3V 1381 [this`d be a 1381L, ed.], when the supply capacitor reaches 6V, the input of the 1381 is at 3V and the 1381 turns on. When the 1381 output goes high, the pot no longer acts as a volatge divider and the full supply voltage appears at the input and output pins of the 1381 chip... Solarbotics` stepper motor drive circuit You can, though, use this circuit to drive any bipolar or unipolar (via bipolar drive) stepper motor. In the Solarbotics diagram, the Yellow and Blue leads are the end contacts of one motor winding, and the Red and White leads are the end contacts of the other motor winding. In the case of... Reverse engineered circuit diagram of a popular mass produced solar light. The light automatically turns on when there is no light falling upon the solar cell, so the parts count is minimal. The charging circiut is not particularly efficient since the battery must charge through a plain diode. solar energy: how a car relay (30 A-12V) handles 80 V DC at 2,5 Amp (video 2)
DC WATT METER 130 Amp Inline DC Amp Volt Watt Meter "Top DIY Solar Panels"
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