Shared projects

GPS Backpack

by nsayer.

2 layer board of 3.15x1.40 inches (80.04x35.59 mm).
Shared on April 26th, 2014 23:59.

A battery powered GPS reverse geocache backpack.

This version corrects a minor problem in the prototype that prevents programming with the LCD attached. It should be fully functional.

Power draw from two 1.5 volt primary cells is 150 mA when operating, 1 mA standby. With AA alkaline batteries, that should be a combination of 10 hours operating or 90 days standby.

Firmware is available from http://github.com/nsayer/GPS_Pack

The GPS module is the Adafruit Ultimate GPS module.

http://www.geppettoelectronics.com/2014/04/gps-reverse-geocache-backpack-design.html http://www.adafruit.com/products/790

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Magic Trackpad Plugger

by nsayer.

2 layer board of 3.94x0.55 inches (100.00x14.02 mm).
Shared on April 4th, 2014 00:49.

No more AA batteries!

Replace the AA batteries in your Apple Magic Trackpad with this board. Solder a short, stiff wire to the + terminal at the front end to contact the positive terminal inside the trackpad. Connect another longer stiff wire to the - terminal at the back end and wedge the wire in the channels near the outside to make the negative contact. Connect USB power to the two power input terminals in the middle. Run the cable out the back and replace Apple’s metal plug with a cork.

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DIP-8 breakout board

by nsayer.

2 layer board of 0.60x0.85 inches (15.27x21.62 mm).
Shared on April 1st, 2014 17:40.

Conveniently use 8 pin DIP chips with a breadboard.

P.S. This was an April Fools' joke.

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J1772 Hydra, v2.2

by nsayer.

2 layer board of 3.96x2.26 inches (100.56x57.38 mm).
Shared on February 17th, 2014 16:37.

Charge 2 EVs with one EVSE, SMD variant

front view back view

The Hydra wiki page

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LCDuino

by nsayer.

2 layer board of 3.15x1.40 inches (80.04x35.59 mm).
Shared on February 4th, 2014 20:58.

Arduino Uno clone as an i2c RGB LCD backpack

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