Parts List
Round DIsplay
All the parts you need for 1 round display 1.28" or 2.1" Screen
ESP32 WROOM DEV MODULE
It must be a ESP32 WROOM development board, it will not work with superminis or c3 c4 ect.
ROUND TFT SCREEN 1.28" or 2.1"
1.28" 7 Pin GC90A1 or FOR KIT 3 USERS ONLY 2.1" 10pin GC9B72
PUSH BUTTON ROTARY ENCODER
ONLY 1 PER CAR, Must be a PUSH BUTTON rotary encoder with 4 or 5 pins, pin oreantation is not important as long as it has the push button function.
ELM 327 (ONLY 1 PER 3 GUAGES)
Only one of these is needed per car, and can run up to 3 screens at a time. Highly reccomend this one over the cheap blue elm as bluetooth delay and responce time is much better on this one
CABLES & CONNECTORS
I used M+F JST PH connectors for easy plug in and out but any 2mm cables will work fine , no connectors needed.
Rectangle Display
All the parts needed for the rectangle screen
ESP32 WROOM DEV MODULE WITH 1.9"SCREEN
This is a esp 32 wroom with a attached 1.9 inch screen , also compatible with the round screens
ESP32 WROOM DEV MODULE WITH 1.9"SCREEN
ONLY 1 PER CAR, Must be a PUSH BUTTON rotary encoder with 4 or 5 pins, pin oreantation is not important as long as it has the push button function.
CABLES & CONNECTORS
I used M+F JST PH connectors for easy plug in and out but any 2mm cables will work fine , no connectors needed.
ELM 327 (ONLY 1 PER 3 GUAGES)
Only one of these is needed per car, and can run up to 3 screens at a time. Highly reccomend this one over the cheap blue elm as bluetooth delay and responce time is much better on this one
Additional Round Display
All the parts needed for the additional round display
ESP32 WROOM DEV MODULE
It must be a ESP32 WROOM development board, it will not work with superminis or c3 c4 ect.
1.28 INCH TFT DiSPLAY
Pick either 1.28" 7 Pin GC90A1 or the 2.19" 10pin GC9B72
CABLES & CONNECTORS
I used M+F JST PH connectors for easy plug in and out but any 2mm cables will work fine , no connectors needed.
ESSENTIAL IF CONNECTING TO 12V !!
AUTOMOTIVE GRADE BUCK CONVERTER (ESSENTIAL)
The ESP32 Can NOT be connected straight to 12v it will break the board, you need a step down to regulate the cars voltage to a steady 5v output and stop any voltage spikes from breaking the board.
FUZE POWER CABLE (RECOMMENDED)
Extra Protection for the board against voltage spikes.
FUZE TAP-IN CABLE (RECOMMENDED)
Recommended if connecting to Fuze Box makes it much safer and easier.