picomic

by macfergus.
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2 layer board of 3.60x2.24 inches (91.44x56.82 mm).
Shared on September 7th, 2016 03:54.

Tiny microphone preamp.

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GPSAddOn.v01c

by PeskyProducts.
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4 layer board of 1.01x1.41 inches (25.55x35.71 mm).
Shared on September 7th, 2016 01:31.

Motion shield for Dragonfly (STM32L4 Development Board) with CAM M8Q GPS module and EM7180-based IMU with SPI slave nRF52 for BLE. Backup battery is recharged with board 3V3 via solder jumper.

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KiCAD_EXAMPLE.kicad_pcb

by kylepureengineering.
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2 layer board of 1.01x1.01 inches (25.55x25.55 mm).
Shared on September 6th, 2016 23:04.

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GSM power supply

by BrK.
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2 layer board of 1.25x0.95 inches (31.78x24.13 mm).
Shared on September 6th, 2016 20:54.

Based on the sim800H hardware design example.

-BOM-

C1: 6.3X7.7 - NICHICON 100uF

C2: 0805 1uF

C3: 10x10 - NICHICON 330uF 35V

C4: 0805 1uF

R1: 0805 2.2K

R2: 0805 1K

L1: LQH32MN101J23L 100uH

L2(FB): 2220 270 Ohm

D1: B54 SMC DO-214AB (5A 40V)

IC1: LM2596-ADJ

The bord is working just fine. Castelation not. This board ended up with no plating at all on the edge pins.

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Quantum Effects Osmium Overdrive

by m-Kresol.
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2 layer board of 2.20x2.79 inches (55.78x70.76 mm).
Shared on September 6th, 2016 20:51.

A Klone designed for 125B. Build doc available here:

http://felix.kalium.org/upload/share/builddocs/OsmiumOD_builddoc.pdf

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