Pellet Smoker Custom Controller

This project idea is to make a controller for my pellet grill that I can control from the web.

This is based off of a controller made specifically for a Traeger, some minor modifications, primarily cosmetic, I will be making it to work with my Z Grill.

Processor Parts List:

Item	Part	Quantity	Price	Subtotal
Controller	Raspberry Pi 3  (On hand)	1	$0	$0
SD Card	SanDisk 8 GB microSDHC Class 10 (On Hand)	1	$0	$0
WiFi	802.11g/n /w Antenna	1	$9.99	$9.99
Case	Clear Case	1	$8.79	$8.79
Power Supply	20W AC/DC 5V Power Supply	1	$11.07	$11.07
Total				$29.85

Controller Parts List:

Item	Part	Quantity	Price	Subtotal
Relays	SainSmart 4-Channel Relay	1	$9.99	$9.99
Plug	Molex Plug	1	$0.27	$1.08
SSOP Breakout	SSOP20 to Breadboard Breakout	2	$5.42	$10.84
Pins	Molex Pins	8	$0.13	$1.04
Total				$19.68

Temperature Reading Input Parts List:

Item	Part	Quantity	Price	Subtotal
RTD Input	MAX31865 (SSOP20)	2	$3.47	$6.94
Reference Resistor	1k Ohm Resistor +- 0.1%	2	$0.65	$1.3
Capacitor	0.1 uF Capacitor	4	$0.10	$0.40
Capacitor	10 nF Capacitor	2	$0.10	$0.20
Total				$8.84

Misc Parts List:

Item	Part	Quantity	Price	Subtotal
Breadboard	Solderable Breadboard	1	$6.5	$6.5
Cobbler	Adafruit Pi Cobbler Plus	1	$6.95	$6.95
Jumpers	DC Connections
Wire	18 GA for AC Connections
LCD	Adafruit IC2 4×20 (On Hand)
Total				$13.45