ELF Parts List

One (1) Raspberry Pi, $35
One (1) Raspberry Pi Power Supply, $10
One (1) Raspberry Pi Breakout Board, $7.50
One (1) Type K Thermocouple, $10
One (1) MAX31855 Thermocouple Breakout Board, $15
One (1) AC Relay, $8
One (1) NPN Transistor, $0.06
One (1), AC outlet, $3
One (1), AC outlet box, $1

One (1) Poplite Popper, $4 (from Goodwill)

Other miscellaneous parts:
AC wire with male plug
Two red LED's
Two yellow LED's
18 AWG wire
20 AWG wire
10K ohm resistors
300 ohm resistors
Spray Paint
Wood box

Total Price: $90

With miscellaneous parts the total price will be around $100.