ETLB Squawk Forums — Archive

Cool solution for MiniMax panel

Basicly Touch screen with ESP microcontoler in 3 d print case have many instruments installed
cost 60 dolar and extra GPS antena or radio antena or other sensor you can attach

cheap and easy to make
case is 3d print https://www.thingiverse.com/thing:7088576
Supported Display Devices are 2.8 and 2.1 Touch or not touch:
https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-2.8C
https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-2.1

Features

    Customisable splash screen (image that can be displayed when ever you want)
    GPS Speed, with KMH or KT configuration and colored arcs
    Attitude indicator GPS Assisted
    Advanced Attitude Indicator
    Altimeter with QNH settings
    Altimeter digital with GPS Altimeter comparation
    Slip & Turn with degree indicator
    Gyro based on Gyroscope assisted with GPS Track
    GPS Map based on BMP Tiles, you can load your map MapBox in the SDCard
    Variometer
    G-Meter with Max-Negative stored
    Timers: up to 3 timers with GPS UTC Clock
    Checklist loaded from SDCard
    Engine Hour Lifetime Chrono
    Traffic Radar display from BLE Stratux
    Traffic List from BLE Stratux
    Data Logger writer to SD card

Project is
https://github.com/xiaprojects/rb-esp
shopping list
https://github.com/xiaprojects.....UIpumXn9HE6BNTYvuo0A


for about 60 to 100 dolar costs

Video
https://www.youtube.com/watch?v=8FwM3qiaDVQ

Managed to make one, its a bit confusing using all this guides on french, BUT
actualy is easy when you know

get one ESP 32 (its microcontroler with screen) Waveshare ESP32-S3 2.8inch Capacitive Touch Round Display Development Board       55 $
get GPS unit NEO-6M Mini GPS Satellite Module GPS Satellite Module P-C-B Low Power Satellite Positioning Board for Microcontrollers   14 $
get Hailege 5pcs BMP280 BMP280-3.3V Atmospheric Pressure Sensor Module                                                                                    8$
get power DC-DC 5A 5-32V to 0.8-24V Step-Down Regulator Module 12V / 24V / 32V to 3.3V / 5V / 12V / 24V Big Power Voltage         8$
when ou flash and test can use USb  cable for power supply

Conect GPS and Athmosferic pressure modul cables is there with ESp j plug
GPS on UART  and pressure modul on I2C
COntrol on diagram how to conect wires




download software to flash device   https://www.waveshare.com/wiki/Flash_Firmware_Flashing_and_Erasing
download software 3.1.1 https://github.com/xiaprojects/rb-esp/releases/download/1.3.1/RB-1.3.1.zip

Conect ESP 32 to PC start  Flash program

on down manys
chiptype ESP 32-S3
workmode Develop
loadmode USB
and check connection is on Com (can be any com 1 2 3 4 5)

Programs start
leave all clean and empty to erase software in ESP32
press start
on black screen in background flasher should work end erase ESP32

Now unzip downloaded 3.1.1
There is many files chose RB 2

Flash program
1. line take file RB-02-1.3.1-TOUCH-30hz-GPS-2.8.bin from Folder Rb-2 in second field  write 0X10000
2. line get file bootloader.bin from ROOT folder and write  in second fiels 0X0
3. line chose file partition-table.bin from ROOT folder and write in second field 0x8000



Pres Start to flash
restart modul Voila
about 30 min JOb

you can upload map on SD card
for GPS tracking