FMRC (Work in progress)

Four Motor Robot Controller.

General videos

FMRC: UART communication between NRF52 and STM32!

Firmware

STM32F4

• Work in progress

NRF52

• TODO Start

• PROGRAMMING NRF52 stlink: openocd -f interface/stlink.cfg -f target/nrf52.cfg

telnet localhost 4444

reset program zephyr.hex verify

V1_0

Hardware

PCBs arrived

Ready to start testing

V2_0

Work on version 2.0 is in progress.

FMRC V2 PART 14: First draft of completely routed PCB

FMRC V2 PART 13: More routing -- finishing off at the DRV8848 area

FMRC V2 PART 12: Starting to route in the DRV8848 area

FMRC V2 PART 11: More PCB routing

FMRC V2 PART 10: Started routing

FMRC V2 PART 9: Tightening up the placement of components

FMRC V2 PART 8: Roughly sorting components

FMRC V2 PART 7: placing components focusing on the DC-DC area

FMRC V2 PART 6: Boot modes and Boot-loader that allows USB flashing

FMRC V2 PART 5: Adding an audio jack and doing some spice simulation in KiCAD

FMRC V2 PART 4: Servo outputs may be nice to have and finishing off in preparation for routing

FMRC V2 PART 3: Out with the old, in with the new (and some confusion about pins with no net!)

FMRC V2 PART 2B: Adding some caps and experimenting some more with kicad hierarchical labels

FMRC V2 PART 2: Adding DRV8847 chips and trying out KICADs hiearchical labels

FMRC V2 PART 1: new 5V regulator that can do 3A