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- TLP182 (SMD-4) optocoupler and voltage divider to drive bed MOSFET so that a separate PSU can be used, referencing Little-Driver (https://github.com/Digital-Sqrt/Little-Driver).
- 74LVC1G125 (SOT-353) to drive E0 and fan MOSFETs.
- Remove 5V select circuit; switched to using 1N5819 diodes to prevent reverse voltage.
- Amended 5V1 output; previously connected to in series to 47uF capacitor, which was a mistake. It needs to be in parallel.
- Amended several capacitors which were mistakenly connected in series instead of in parallel. Specifically, C11 and C12 in v0.8.
- Amended DTR/RTS circuit; previously, IO0 connected to wrong side of S9014, which prevented flashing of firmware via USB.
