This is the beta kit for the mjbots qdd100 quasi-direct drive brushless servo (also available for purchase separately).
Specifications:
- Torque, measured in ambient 20C lab with no airflow or heatsink until limiting occurs
- Peak: 12.5 Nm (< 1s)
- 10 Nm - 30s
- 6 Nm - 300s
- 2.5 Nm - Indefinite
- Peak speed: 2,000 dps @ 24V
- Backlash: +- 0.2 degrees
- Weight: 470g
- Control rate: 40kHz
- Mechanical - CAD drawing
- Outer diameter: 100mm
- M3 fixed mounting bolt pattern on front and back
- M3 mounting bolt pattern on output with M4 dowels
- Voltage input: 10-34V
- Communication: 5Mbps CAN-FD
- Power connector: 2x XT-30
- Data connector: 2x JST PH-3
- Open source motor driver and firmware with programming port and CAN bootloader: https://github.com/mjbots/moteus
- fdcanusb USB to CAN-FD adapter
- DB-9 to JST PH-3 cable for CAN communication
- 24V power supply with XT30 connector
- Spare XT30 and JST PH-3 connectors
- Brackets and bolts for mounting to a table and a demonstration output "horn" with hole for 1 inch tube
- USB STM32 programmer w/ moteus JST-ZH6 connector
Documentation:
- Reference documentation
- Current errata: qdd100 beta devkit ERRATA
- info@mjbots.com
- Discord: https://discord.gg/W4hUpBb
- Torque test: https://www.youtube.com/watch?v=WywqcavLWMs