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Digital AVR frequency meter
Posted 15 April -
Automatically switches off DMM
Posted 12 October -
Create multicolored LEDs
Posted 12 October -
Voltage curves on PC
Posted 12 October -
Ultrasonic Parking Sonar Schematic
Posted 28 July -
Battery Solutions for Energy Harvesting
Posted 28 July -
Simple Gas Leak Detector Circuit
Posted 30 April -
FTDI Infrared
Posted 28 April -
3 Axis Accelerometer Using PIC16F887
Posted 25 April -
Simple 3V adjustable Car adapter
Posted 14 April
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Battery Solutions for Energy Harvesting
Rechargeable batteries ‒ known as “secondary” cells to differentiate them from “primary” or single-use cells ‒ are usually specified for this task. (For more details and ...
- Posted 28 July
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Battery Desulfator Circuit
Desulfation is the process of reversing the process of sulfation that occurs to a lead-acid battery over time. Desulfation restores, at least partially, the ability of the battery to hold a ...
- Posted 7 July
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1KHz Sine Wave Generator
1KHz Sine Wave Generator...[more] : Simple circuitry, Low distortion, battery operated Variable, Low impedance output up to1V RMS ...
- Posted 22 August
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Adjustable 3Terminal Regulator for LowCost Battery Charging Systems
Adjustable 3Terminal Regulator for LowCost Battery Charging Systems...[more] : National Semiconductor Application Notes, 28-Jun-1996 ...
- Posted 22 August
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One 9 Volt Battery gives +18, +25, +33V
One 9 Volt Battery gives +18, +25, +33V...[more] : This circuit is based on MAX1044 is a charge pump converter. ...
- Posted 22 August
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DC to DC Converter Allows of Single Battery
DC to DC Converter Allows of Single Battery...[more] : Have you ever wanted to circuit to run off a single 9 Volt battery only to find you needed levels like +12 and -12 Volts? The thought of ...
- Posted 22 August
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Not Just Another Headphone Amp
Not Just Another Headphone Amp...[more] : battery-powered musicians practice and monitoring amplifier for guitar ...
- Posted 21 August
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MICROPOWER C-MOS OSCILLATOR, DRAWS ONLY 0.5uA
MICROPOWER C-MOS OSCILLATOR, DRAWS ONLY 0.5uA ...[more] ...
- Posted 21 August
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