4-20mA Constant Current Regulator

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2 layer board of 0.60x0.48 inches (15.21x12.22 mm).
Shared on April 23rd, 2016 01:30.

Simple constant current regulator, ideal for testing and calibrating 4-20mA current loops with up to 36V input.

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Dual K-Type Thermocouple Display

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2 layer board of 1.71x1.43 inches (43.31x36.22 mm).
Shared on April 17th, 2016 04:44.

A PIC micro-controller reads two independent temperature channels, and writes to a 16x1 LCD.

Also includes data logging, writing values to a remote RS-232 terminal.

The PCB mounts directly to the rear of the LCD.

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2 layer board of 0.40x0.40 inches (10.21x10.21 mm).
Shared on February 24th, 2016 03:20.

Pressure sensor test jig

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2 layer board of 1.54x3.52 inches (39.12x89.41 mm).
Shared on October 14th, 2015 21:49.

Add an extra 128 I/O lines to a Raspberry Pi. Uses 8x 16-bit MCP23017, and address selection is made via fitting or removing resistors.

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2 layer board of 2.27x0.97 inches (57.56x24.56 mm).
Shared on September 21st, 2015 02:42.

Breakout for PIC18F4450

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