Lego Build

If you don’t feel like ordering a PCB or kit and are more comfortable connecting up different components you can go this route too. Below you’ll find all the components that essentially make up the PCB too.

Components

• ESP-S3 DevKit - N8R8 (AliExpress)
• 2-Channel 5V Relay (AliExpress) (2 or 3 channel if you want the Grinder integration)
• MAX31855 Temperature sensor board (AliExpress)
• LilyGo T-RGB 2.1” Display - Full Circle (AliExpress)
• AC SSR 40A (AliExpress)
• K-Type M4 Thermocouple - 0.5m (AliExpress)
• 22 AWG Silicone Wire for LV wiring (AliExpress)
• 18 AWG Silicone Wire for HV wiring (AliExpress)
• 6.35mm Spade Connectors (AliExpress)
• 6.35mm Piggyback Connectors (AliExpress)
• Dupont Connectors (AliExpress)
• 2.0mm PA Jumper wires - 4P (AliExpress)
• Ferrules - AWG18 (AliExpress)

Tools

• Wire stripper or knife
• Crimping tool (SNA02C-06-06WF-58B) - This one will do all the crimps required in the build (AliExpress)
• Screwdriver
• Zipties (good to have)
• Cable labels/tape (good to have)