Battery Discharger
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ATTINY2313 PROGRAMMER COM PORT RS232 PONYPROG
I had to program attiny2313 for an application I’ve searched a little bit I found a lot of circuit, but…
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SIMPLE FAN SPEED CONTROL CIRCUIT WITH TRANSISTOR
4 bc639 transistors are used in fan speed control circuit and speed can be adjusted with 47k trimpot on the…
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EXPERIMENTS WITH DIJTAL DOORS
There are 41 applications on TTL digital doors. I am thankful to our readers, S.Demirhan(sdmh), who brought the file to me . Many of the circuits…
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DELL PA-12 LAPTOP SMPS 19V 3.34A ADAPTER CIRCUIT DIAGRAM
19V 3.34 Ampere Laptop adapter diagram The Dell PA-12 model is used for a wide range of models, but the…
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BATDeep Discharge Protection for Rechargeable Cells Schematic Circuit Diagram
With this circuit built into the power supply of a battery powered device, it will prevent the rechargeable cells from…
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Discharge Circuit Schematic Circuit Diagram
The author encountered a problem with a microcontroller system in which the +5-V supply voltage did not decay to 0…
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Switchless NiCd/NiMH Charger Schematic Circuit Diagram
This circuit may be used to replace the single current limiting resistor often found in dirt cheap battery chargers. The…
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NiMH Charger for up to six Cells Schematic Circuit Diagram
It is impossible to imagine a present-day society without any batteries. Count the number of gadgets in your house that…
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Lithium Torch Schematic Circuit Diagram
This mini pocket torch combines the advantages of Lithium button cells with a super-bright white LED. The lithium cells are…
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4 Amps Photovoltaic Charge Controller Schematic Circuit Diagram
The use of solar photovoltaic (PV) energy sources is increasing due to global warming concerns on the one hand, and…
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