Circuits & Schematics: Volt - 5

41. Car Battery Monitor 12 Volt
    Circuits Automotive Measurement Supply
    .. Monitor circuit of a low power electronic dc voltmeter circuit that can be used with car electric systems that run on 12 volt batteries. The voltmeter is an expanded scale type that indicates small voltage steps over the 10 to 16 volt ...
    Oct 9, 2011

42. 255-Voice PCM Sound Generator. Part 1. Schematic
    Circuits Audio Games Microcontrollers Usage
    .. the output current exceeds the rating but it is no problem because the output current is limited by output impedance at 3.3 volt supply voltage even if the output pin is tied to the rail. Therefore it cannot sound loud but it will create ...
    Mar 14, 2011

43. Solar Cell Phone Charger
    Circuits Supply Power Solar
    .. Wenzel This little gadget uses a small 3 volt solar cell to charge a 6 volt NiCad battery pack which, in turn, may be used to charge many models of cell phones ...
    Feb 24, 2011
44. Power Supply Monitor for TTL
    Circuits Beginners Supply Power Linear Technology LTC1042
    .. simple TTL power supply monitor circuit monitors the 5-volt level TTL power line and gives a signal whether the supply voltage is outside or within the necessary range or ...
    Feb 24, 2011
45. 5 volt charger adapter using LNK616PG controller
    Circuits Supply Power Power Integrations LNK616PG
    .. this low cost charger, adapter accepts a wide range of input voltage , from 85 VAC up to 265 VAC and will provide a fixed 5 volt DC output at a maximum output current of 1 ampere. electroniq.net
    Jan 14, 2011
46. High Current MOSFET Toggle Switch with Debounced Push Button.
    Circuits Power
    .. that might cause false triggering if the switches are located far away from the circuit. The circuit was tested using a 12 volt, 25 watt automotive lamp, and IRFZ44 . Other MOSFETs can probably be used. bowdenshobbycircuits.info
    Jan 6, 2011
47. Black Light
    Circuits Supply Light Power
    .. circuit is a simple ultraviolate light that can be powered by a 6 volt battery or power supply that is capable of supplying 1 or more amps. Circuit diagram Parts C1 0.0047uf Mono ...
    Dec 27, 2010
48. Basic UPS
    Circuits Beginners Supply Power
    .. Collinson Description This circuit is a simple form of the commercial UPS, the circuit provides a constant regulated 5 Volt output and an unregulated 12 Volt supply. In the event of electrical supply line failure the battery takes over, ...
    Dec 23, 2010
49. 0-1000 Volt Regulated High Voltage Power Supply
    Circuits High Voltage Supply Power
    .. regulator 78L05 , some NPN transistors and a pair of logic MOSFET IRF510 as a final amplifier. Click to enlarge 1000 Volt DC to DC Regulator Circuit The workings of high voltage DC to DC converter is the same principle as written in ...
    Dec 15, 2010
50. A simple solar panel regulator
    Circuits Power Solar
    .. off and there is absolutely no current drain from the battery. When the sun gets up and panel starts producing at least 10 Volt, the LED lights and the two smalltransistors switch on. This powers the regulator circuit. As long as the battery ...
    Dec 5, 2010

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