Smart Driver v0.1
The first US-assembled FOC motor controller built for production robotics — not dev kits.
3-phase FOC controller with CAN-FD at 8Mbps. Full telemetry and control simultaneously. Non-China component sourcing for defense and government qualification. Drop-in replacement for CubeMars actuator controllers.
Built for collaborative arms · humanoids · mobile manipulation · legged robots
Specifications
Power & Drive
- 12–60V input, 20A constant / 60A burst
- DRV8323RS gate driver + 6× 80V MOSFETs
- Simultaneous 3-phase current sensing (5 ADCs)
Communication
- CAN-FD — 64-byte frames at 8Mbps
- 10kHz+ telemetry streaming
- USB-C for firmware updates and debug
- 2× XT30 (2+2) power+CAN daisy-chain
Sensing
- 14-bit absolute magnetic encoder (AS5047P)
- Dual encoder: ABI quadrature + Hall A/B/C
- 6-axis IMU — vibration & bearing health
- Back-EMF monitoring on all 3 phases
- Motor winding temp (NTC input)
Intelligence
- Auto-tune: PID optimization in 30 seconds
- Per-phase winding resistance measurement
- On-device health monitoring & scoring
- I2C expansion port for external sensors
Why CAN-FD matters
One 64-byte frame carries position + velocity + 3-phase current + torque + temperature + voltage + health status. At 8Mbps, stream full telemetry at 10kHz+ while receiving commands simultaneously. No polling, no tradeoffs — full data and full control on a single bus.
vs. CubeMars Controllers
| CubeMars | ForceField | |
|---|---|---|
| CAN protocol | CAN 2.0 (1 Mbps) | CAN-FD (8 Mbps) |
| Encoder | 10-bit | 14-bit + Hall |
| Current sensing | Shunt resistors | 5 ADCs simultaneous |
| IMU | — | 6-axis✓ |
| Auto-tune | — | 30-second PID✓ |
| Winding resistance | — | Per-phase✓ |
| Health monitoring | — | On-device scoring✓ |
| Expansion | — | I2C port✓ |
| Firmware | Closed-source | Open-source (ForceField fork) |
| Sourcing | China-manufactured | Assembled in USA, non-China |
Open firmware, no lock-in
ForceField firmware is built on proven open-source FOC foundations (ODrive / Moteus compatible ecosystem). Full source available. CAN protocol documented. Bring your own control stack or use ours — including adaptive impedance tuning and torque ripple compensation powered by on-device ML.

Volume pricing at 10+ units
Shipping Q3 2026 · No payment required