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MCU Components
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ATMega2560 R3 board 1
20x4 LCD (parallel) 1
RTC I2C (DS3231) 1
CR2032 3v battery 1
HTU21D I2C Temp/Hum sensor 1
Mechanical Relay Unit (4 circuit) 1
PCB Components
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PCB (.060, double sided HASL Lead-Free, 1oz) 1
2.54mm Socket Header (40pos strip) 1
2.54mm Straight Pin Header (40pos strip) 1
3.5mm screw terminal block (2p) 2
5mm screw terminal block (2p) 1
--Buzzer circuit
Magnetic buzzer (5v) 1
180 Ohm resistor (6.3mm) 1
--Encoder Circuit
Bourns Rotary encoder (PEC11R-4320F-S0012) 1
M7x.75 nut 1
10K pF Capacitors (.01uF) 2
10K ohm Resistors (6.3mm) 4
--LCD Circuit
10K trim pot (3386-P-1-103T, EY5 10k) 1
BJT NPN Transistor (2N2222A) 1
4.7K ohm Resistor (6.3mm) 1
Mounting and shell
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6mm Dshaft knob (30mm) 1
Enclosure face (.5" Marine HDPE) 14"x7.5"x.5"
Enclosure shroud (.093" ABS) 12"x24"
Panel Mount Receptacle Qualtek 738W-X2/03 4
Component mount screws (m3x8mm) 10
PCB standoffs, brass (m3x8mm) 11
Power cable 1
PG9 Cable Gland + Strain relief (53015810) 1
PG7 Cable Gland 2
10A Thermal Circuit Breaker (W28-XQ1A-10) 2
MeanWell IRM-05-5 AC/DC power supply 1
Wire harness
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sheilded 2pair twisted, 22guage (ft) 3
18guage stranded primary wire WHITE (ft) 2.5
18guage stranded primary wire BLACK (ft) 5
18guage stranded primary wire GREEN (ft) 2
18guage female blade connectors 12
14guage female blade connectors 2
Closed end crimp caps 3
Optional Components
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sd card reader module (ICSP) 1
sd card (4GB) 1