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WiringAndBoards

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Distroheader2

A 40-pin IDE header is repurposed and used as a +5V and GND breakout block.

Lcdwiring1

2-row headers populated on one row make for strain relief and organization. All harnesses are laced in classic telco style.

Lcdsensorwiring1

Wiring harnesses for LCD and temperature sensor. A short piece of scrap thermocouple lead makes for a throwaway temporary thermocouple.

A 40-pin IDE header is repurposed and used as a +5V and GND breakout block. Pins are soldered to the first and last pair of sockets on the underside. AWG 24 wire (stripped from solid core CAT5) is used to connect "pins 1-39" on each row. The last pins are left unconnected.


The header plugs into +5 and GND on the left side, and pins 8 and 9 on the right. The latter connections are only done for structural raesons, and are simply passed through to the last pair of sockets on the top of the connector for use in the circuit if needed.





Harnesses are positioned and laced. 2-row PC headers are stripped, repopulated with pins down one row, and leads passed through the top for strain relief and soldered to the backside of the pin. The resulting assembly is low-profile, sturdy and retains access to the pin tops for debug purposes.







Nearly complete harness for temperature sensor, and complete harness for LCD. A short test thermocouple is attached - if it is damaged, we won't weep.









Temptest1

Our basic temperature code works! The right-hand number is an instantanous sample at 100 mS interval, and the left-hand is a 1 second moving average


Our basic temperature code works! The right-hand number is an instantanous sample at 100 mS interval, and the left-hand is a 1 second moving average.

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