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hardware
software/TeensyMAX31855ReflowOven
README.md
assembly.png
backview.png
bom.png
closeup.png
inuse.png
oshpreview.png
schematic.png
sideview.png

README.md

Temperature Monitor LCD Teensy Hat

Simple monitor hat with an LCD screen that displays current temperature as sensed by K-type thermocouple through the MAX31855 junction-compensated sensor chip. The board also buzzes at certain preset temperatures.

Ref Qty Description Manufacturer Mfr PN Vendor Vendor PN
J1 1 TEENSY 3.2 32BIT 72MHZ PJRC TEENSY3.2 PJRC TEENSY3.2
U1 1 IC CONV THERMOCOUPLE MAX31855 SOIC8 Freescale NXP MAX31855KASA+ Digikey MAX31855KASA+-ND
LCD1 1 LCD MODULE 16X2 CHARACTER 1602A Tinsharp TC1602A-09T Adafruit 181
C1;C2 2 CAP CER 0.1UF 100V X7R 0603 Murata GRM188R72A104KA35D Digikey 490-3285-1-ND
J2 1 CONN TERM SCREW GREEN 2.54MM 2POS TH OnShoreTech OSTVN02A150 Digikey ED10561-ND
R1 1 TRIMMER 10K OHM TH Bourns 3362U-1-103LF Digikey 3362U-103LF-ND
SPK1 1 BUZZER ONE NOTE 3V 4KHZ PIEZO SMT CUI Inc CMT-1603-SMT-TR Digikey 102-1193-1-ND