MKS-Robin-Nano-V3.X hardware

MKS Robin Nano V3.1_001

Include :

- MKS Robin Nano V3.1_001 SCH.pdf
- MKS Robin Nano V3.1_001 TOP.pdf
- MKS Robin Nano V3.1_001 BOTTOM.pdf
- MKS Robin Nano V3.1_001 SIZE.pdf
- MKS Robin Nano V3.1_001 PIN.pdf

Change from V3.0_004 version:

- MCU use STM32F407VET6, 168MHz, 512KB Flash, 192KB RAM
- MOS drive circuit, temperature measurement circuit adds Schottky diode protection
- The version change to V3.1_001

MKS Robin Nano V3.0_004

Include :

- MKS Robin Nano V3.0_004 SCH.pdf
- MKS Robin Nano V3.0_004 TOP.pdf
- MKS Robin Nano V3.0_004 BOTTOM.pdf
- MKS Robin Nano V3.0_004 SIZE.pdf
- MKS Robin Nano V3.0_004 PIN.pdf

Change from 003 version:

- D12 use a more powerful TVS: SMBJ28A

- Z3,Z6 NC

MKS Robin Nano V3.0_003

Include :

- MKS Robin Nano V3.0_003 SCH.pdf
- MKS Robin Nano V3.0_003 TOP.pdf
- MKS Robin Nano V3.0_003 BOTTOM.pdf
- MKS Robin Nano V3.0_003 SIZE.pdf
- MKS Robin Nano V3.0_003 PIN.pdf

Change from 002 version:

- Fix FAN1(Use PC14) and FAN2(Use PB1) silkscreen in the PCB

- Fix FAN1(Use PC14) and FAN2(Use PB1) net in the SCH

MKS Robin Nano V3.0_002

Include :

- MKS Robin Nano V3.0_002 SCH.pdf
- MKS Robin Nano V3.0_002 TOP.pdf
- MKS Robin Nano V3.0_002 BOTTOM.pdf
- MKS Robin Nano V3.0_002 SIZE.pdf
- MKS Robin Nano V3.0_002 PIN.pdf

Change from 001 version:

- Add 'H-BED', 'HE0', 'HE1' TTL signal to Header 2X1

- 3D TOUCH interface add protection circuit

- Fix E0 axis silkscreen

MKS Robin Nano V3.0_001

Include :

- MKS Robin Nano V3.0_001 SCH.pdf
- MKS Robin Nano V3.0_001 TOP.pdf
- MKS Robin Nano V3.0_001 BOTTOM.pdf
- MKS Robin Nano V3.0_001 SIZE.pdf
- MKS Robin Nano V3.0_001 PIN.pdf
- This is a inital hardware