FTController

A 2-joystick controller for driving 4 motors, especially in Fischertechnik models

Jan B.

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Description

FTController is a 2-joystick analog controller designed to drive 4 motors with max 1.5A .
Its based around an arduino compatible platform and uses MOSFETs to achieve minimal voltage losses.

Disclaimer: Im not associated in any way with the fischertechnik GmbH. All product and company names are trademarks of their respective holders.

Details

Features:

Two analog joysticks with button
4 H-Bridge analog outputs (8-bit) and a open collector output
Overload and Voltage reversal protection
7 - 16V Voltage input
Ability to monitor input voltage and motor current, additionally MCU voltage
Based around a Mega328P, compatible with Arduino
Opto-isolated input for measurement of low frequency motor speeds or times.
2x8 digit LCD, for status display and configuration
RF-Interface with NRF24L01+ for remote controlling of another interface.

See the gallery for some pictures of the PCB rendered in KiCAD.

Components

1 × ATMega328P-AU Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × Analog Joysticks
1 × 78L05 Power Management ICs / Linear Voltage Regulators and LDOs
8 × BC848 SMD Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
8 × IRLML6402 Discrete Semiconductors / Power Transistors and MOSFETs

View all 25 components

Project Logs

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Project files
Jan B. • 08/15/2018 at 10:00 • 0 comments

Finally if found the time, to publish the files (hardware and software) for this project:
You can find the files in this Github Repo: https://github.com/jbtronics/FTController