esp32-gps-drag-timer

GPS 10hz and ESP32 based opensource Drag Timer

Features

Measuring:

• Any combination of X-Y km/h or m/h (including decceleration for breaking tests)
• Any combination of distance in meters or feet
• Gradient change for measurement
• Continious measurement mode
• Ability to put it into pocket or cubby in motorcycle and read measurements later

3D Printed Case

Design: https://cad.onshape.com/documents/e031c89e813c1e62de0598c2/w/f4ae6e15a49a281bed2da554/e/6e5b61646b861067f5acc4e7

STL files avaialable in 3d_print_case directory.

Software

TODO:

• Maybe pure C++ or maybe ESPruino
• Everything available through WIFI or BT
• Ability to datalog into SDCard

Hardware components

ESP32

Any ESP32 board

GPS Module

I'm using UBX-G7020-KIT

Power source

USB Cable with any power source like 12V cigarette lighter power supply or 5V PowerBank or 18650 Battery module

Future ideas for hardware

Use ESP32 board with builtin OLED screen and 18650 battery - on screen show battery level, gps status and current speed

Store links:

• https://botland.store/gps-modules/4596-gps-module-ubx-g7020-kit-case-dfrobot-5904422361242.html