The last stable board revision was rev.4. After doing test with beta revision 5 & 6, a new board revision is now available
While the form factor remains the same, there are a few enhancements in this new release :
- A power regulator to replace the light one on the blackpill
- Diode and power fuse to better protect the SmartDisk
- Resistor for future Mac floppy drive use.
- Pull-up resistor to replace stm32 internal ones
If you have a rev.4, there is no need to upgrade and the firmware new version will continue to work on the previous release.
On the revision 8, one need to be careful with the power source and avoid to use 5V and 3V power supply at the same time (or SDIO with 5V) otherwise it will blow up the SmartDisk. On the left side of the board, above the buzzer, there are to power supply … Read the rest