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Introducing Open Bionics first PCB control board for use in the Ada robotic hand and also compatible with the Dextrus v2.0 robotic hand. The board is capable of controlling up to 6 Firgelli actuators simultaneously, with an Atmega2560 at it's core (Pre-Loaded with an Arduino Bootloader).
The small footprint allows the PCB to be fitted within the Open Bionics Ada hand. The board is fitted with a UART to USB bridge allowing for programming over USB and for serial debugging.
The board has its own power management for the control system, and actuators run directly from the DC input, allowing different voltages to be used if desired.
The PCB features a 4-pole 3.5mm Jack for communication to external sensors. This connection can be configured in software for either I2C or Analogue sensor input. By connecting two exposed pads it can also be used for UART communication.
The board boasts nine additional broken out pins from the ATmega2560 allowing for extra hardware modifications.
This is not a medical device, and has not been tested or approved by any agency or approval body for Electrical Safety or Electromagnetic Compatibility. It is sold as a component, and intended for developer use only.
This product is designed for Open Bionics hand kits but could be used in any control application that requires up to 6 firgelli PQ12 linear actuators and a small control board.
What's in the box:
- Open Bionics Almond PCB
Assembly instructions and 3D print files for the Ada hand to be released shortly.
Version: Almond V1.2 (for use with the Ada hand)
Microcontroller: ATMega 2560
Recommended Input Voltage: 12V DC
Input Voltage Range: 6-12V DC (Input voltage should be matched to voltage rating of actuators)
Broken out pins: 11
Digital I/O pins: 9
ADC Pins: 2
DC Current per I/O Pin: 20mA
Flash Memory: 256KB
Idle Current Draw: 40mA
Max Current Draw: Around 1A (depends on which actuators are used)
Controllable LEDs: 2
- I2C (via 4-pole 3.5mm headphone jack) (This can be changed in software for another ADC input)
- UART (Can be passed over the 3.5mm headphone jack or used on exposed pads at the rear of the board)
- SPI (Through the programming header)
Ada Hand V1.1 by Open Bionics is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Based on a work at www.openbionics.com.
Please Note: This work is free to download and use only in accordance with the above license. Open Bionics must be attributed as the original designers and all derivative work must be released with the same license.