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 you can use to build up your own GaggiMate Pro Lego.

Lego Components

• ESP-S3 DevKit - N8R2 (AliExpress)
• RoboDyn AC Dimmer (AliExpress) (Dimmer 4A-400V)
• 1-Channel SSR (AliExpress) (1-Channel high 5V)
• TXS0102 Logic Level Converter (AliExpress)
• ADS1115 ADC (AliExpress)
• MAX31855 Temperature sensor board (AliExpress)
• 10K and 100K Resistors to form a (AliExpress)
• AC Snubber (AliExpress)
• 5V 2A Power supply (AliExpress)

Wires and Connectors

• 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 - only for Gaggia Classic (AliExpress)
• Fork connectors (SV1.25-5s) (AliExpress)
• JST PH Connectors (AliExpress)
• 2.0mm PA Jumper wires - 4P (AliExpress)

Remaining Components

• LilyGo T-RGB 2.1” Display - Full Circle (AliExpress)
• AC SSR 40-DA (AliExpress)
• K-Type M3/M4 Thermocouple - 0.5m (M3 for Silvia, M4 for Gaggia Classic) (AliExpress)
• Pressure Transducer 0 - 1.6MPa, 5V Supply, 0.5 - 4.5V Output (AliExpress)

Plumbing

You can buy the plumbing kit from the Website or alternatively use the components below.

• 1/4 inch silicone gasket (AliExpress)
• Roll of PTFE Tape (AliExpress)

for Gaggia Classic

• 4mm ID 6mm OD PTFE Tube (AliExpress)
• 6mm OD Pressure T-Fitting PE - PE 1/4” (AliExpress)
• 6mm OD Pressure Fitting to G1/4 female - PLF 06-02 (AliExpress)

for Gaggia Classic Pro/Evo/E24

• 4mm ID 6mm OD PTFE Tube (AliExpress)
• 6mm OD Pressure Fitting to G1/8 male - PL 06-01 (AliExpress)
• 6mm OD Pressure Fitting to G1/4 female - PLF 06-02 (AliExpress)
• G1/8 Tee-Fitting - Female-Male-Female BSP 1/8” (AliExpress)

for Rancilio Silvia

• 4mm ID 6mm OD PTFE Tube (AliExpress)
• 6mm OD Pressure Fitting to G1/8 male - PL 06-01 (AliExpress)
• 6mm OD Pressure Fitting to G1/4 female - PLF 06-02 (AliExpress)
• G1/8 Tee-Fitting - Female-Female-Male BSP 1/8” (AliExpress)

Tools

• Wire stripper
• Crimping tool - This one will do all the crimps required in the build (AliExpress) (6 Jaw Version)
• Philipps Screwdriver
• 4mm + 5mm Allen Key to to unbolt the boiler and steam wand
• Adjustable or 14mm Wrench / Spanner
• Electrical tape for insulating unused connections
• Multimeter
• Optional: Thermal paste, useful for older machines where the pre-applied paste has dried out
• Optional: Zipties
• Optional: Small flathead screwdriver to remove connections
• Optional: Cable labels/tape