SparkFun Live Temperature Sensing Lunchbox

by Vosper

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For this project I used the lunchbox found here.
Use Lead-free solder and clean the flux off of the board before securing in the lunchbox.

These four wishlist items are optional and recommended if you do not have them on hand.
PRT-08831 Green Heat Shrink Tubing
PRT-10218 9V Alkaline Battery
PRT-11367 Hookup Wire Assortment - Solid Core
DEV-09716 - FTDI Basic Breakout - 5V

This build substitutes a blue LED bargraph in favor of the Yellow one for a more temperature-based color scheme.

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Product Subtotal Qty
SparkFun FTDI Basic Breakout - 5V
In stock DEV-09716
14.95 1   
10 Segment LED Bar Graph - Blue
In stock COM-09937
1.95 1   
Heat Shrink - Green 5' x 1/4"
Retired PRT-08831
1.95 1   
Cannot be ordered at this time.
9V Alkaline Battery
In stock PRT-10218
1.95 1   
9V Snap Connector
In stock PRT-00091
1.25 1   
Break Away Headers - Straight
In stock PRT-00116
1.5 1   
Hook-Up Wire - Assortment (Solid Core, 22 AWG)
In stock PRT-11367
16.95 1   
Screw - Phillips Head (1/2", 4-40, 10 pack)
In stock PRT-10452
1.5 1   
Nut - Metal (4-40)
In stock PRT-10232
0.6 4   
ProtoBoard - Square 1" Double Sided
Out of stock PRT-08814
2.5 1   
Cannot be ordered at this time.
Temperature Sensor - TMP36
In stock SEN-10988
1.5 1   
SparkFun Bar Graph Breakout Kit
Only 12 left! DEV-10936
19.95 1   
Arduino Pro Mini 328 - 5V/16MHz
In stock DEV-11113
9.95 1   
Total: 76.5