Joule Thief revision 3

by Warhawk.

2 layer board of 0.98x0.96 inches (24.77x24.43 mm).
Shared on February 15th, 2014 12:16.

http://www.circuitstew.com/pcbs/joule_thief.html

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FPV car rx

by rudyauction509.

2 layer board of 2.94x1.99 inches (74.78x50.65 mm).
Shared on February 15th, 2014 07:04.

microcontrollers: pic16f630, ‘out’ is an aux output port not a chip. crystals: 20mhz

http://www.rcgroups.com/forums/showthread.php?t=2102301

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FPV car tx 16f819

by rudyauction509.

2 layer board of 2.57x1.26 inches (65.25x31.90 mm).
Shared on February 15th, 2014 07:02.

v1.0, microcontroller: 16f819,

http://www.rcgroups.com/forums/showthread.php?t=2102301

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bike light

by rudyauction509.

2 layer board of 1.36x1.21 inches (34.44x30.63 mm).
Shared on February 15th, 2014 06:58.

Simple bike taillight for pic16f630, R9 is 1k, all others 100 ohm. Use 5mm LEDs of your choice, I used red and green flashing alternately. Runs on 3x AA or AAA cells or 1x Li-Ion cell, no regulator so don’t feed over 5.5 volts.

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Li-ion Charger revision v1.0

by NickLeijenhorst.

2 layer board of 0.87x1.50 inches (22.02x38.02 mm).
Shared on February 14th, 2014 23:21.

  • Charges a 1-cell Li-ion battery through mini-USB or another input (3.75v - 6v)

  • Charging current selectable through a solder jumper

  • Big solder pads for input and output

  • Status led to indicate charging (5 mA)

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