TvG KDL v4.0 (with Teensy 4.0 and Audio)

This is a breakout board for the new TvG KDL (DIY Kart Data Logger) using the powerful Teensy 4.0.

 

It has incorporated the following modules:

·        HC-05 Bluetooth

·        Teensy Audio Adapter (adapted to the new Teensy 4.0)

·        A TRRS 3.5mm audio jack

·        NRF24L01+

·        MPU 6050

·        Battery mounting (4xAA or 1x9V)

·        2.25 pin header for the Teensy 4.0 pins

·        Pull-up resistors for the I2C bus

 

This board can be used to test the new Teensy 4.0 board functionality. It will also be used for my TvG KDL project. This is a Kart Data Logging system. It records data from a 125ccm Kart and logs it to the RaceChrono app on a mobile phone. The data is also displayer on a Oled display mounted on the steering wheel. Given the Teensy 4.0 board functionality, now I can use my TvG KDL like a Walkie-Talkie also to be able to comunicate with the pit crew.

 

Data logged/transmitted:

·        Acceleration pedal position

·        Brake pedal position

·        Steering wheel position

·        RPM (from an induction sensor mounted on the lead to the sparkplug)

·        Wheel speed (either front wheel or rear wheel)

·        Current gear (for shifter karts)

·        G-forces

·        Lap time (using the magnetic strips in the track)

·        Heart rate (BPM)

 

Basically, I am now building the 4.0 version of my TvG KDL. In the following picture you can see the 3.0 version.

The 4.0 version using the board I am trying to get sponsored will use a Teensy 4.0 instead of the STM32 microcontroller and will have the added functionality of a Walkie-Talkie. This involved major design changes.

 

Thank you for considering my project and thank you for considering sponsoring me. This way I can build my project as a hobbyist. Thank you PCB Way!

 

 





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Sep 06,2019
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