Shared projects

ABC

by Jamieson.
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2 layer board of 1.50x0.75 inches (38.13x19.08 mm).
Shared on February 19th, 2014 18:20.

Automatic Blind Controller. Based on LPC812 Cortex-M0+. The micro wakes up, senses light via CDS photocell and controls an RC servo installed in Venetian blinds. Includes pushbutton and RGB led. Designed for standby current of < 200uA.

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HRM_2L

by Jamieson.
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2 layer board of 1.00x1.00 inches (25.43x25.43 mm).
Shared on January 29th, 2014 16:58.

This board receives the signal from a wireless heart rate transmitter chest strap. It outputs a 10ms TTL level pulse with each heart beat. Tested with Polar T31 (uncoded) and H1 (coded) 5.5kHz transmitter straps.

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