Circuits & Schematics: Volt - 5

41. Robot shield for Arduino. Part 1 - Hardware and Schematic
    Circuits MCU Open-Source Platforms Microcontrollers Usage Robots Arduino
    The idea behind this post is to bring together some robot designs and trasform them in a new device with new hardware and standard software (arduino of course) and so easier to use. These robots have three things in common: a mechanical structure, ...
    Oct 31, 2012

42. Arduino expansion board used for controlling large numbers of LEDs
    Circuits MCU Open-Source Platforms Light Arduino
    .. used to supply the additional current, but should NOT be directly connected to the header, as battery voltage varies. A 5 volt voltage regulator, if your battery outputs more than 5 volts, or a voltage stepper, if you battery outputs less ...
    Nov 1, 2011

43. 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
44. 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
45. 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
46. 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
47. 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
48. 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
49. 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
50. 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

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