Raspberry Pi G-Code HAT

8 months ago

Profile:Raspberry Pi HAT for Voron 2.4 3D Printer

Open source license: CERN Open Hardware License

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Description

Raspberry Pi G-Code HAT (Pig) to simplify the wiring for the Voron 2.4 3D printer. It is designed to work in conjunction with this motor board and this tool head board

The on board STM32F407V can act as a USB host (or a CAN bus controller, but that's still work in progress) using a modified version of the Klipper firmware to route packets from the raspberry pi to a tool head board. For USB the two solder links marked USB must be closed to connect the USB lines of the MCU to the micro-fit 3 connector on the motor board.

There are four ZXMS6004 MOSFETs which can be used to drive light loads such as fans or solid state relays. This board is not designed to drive heaters directly.

There are two thermistor inputs which can be used for monitoring the bed temperature and the electronics enclosure or chamber temperature (the tool head board can also be used to monitor chamber temperature). The STM32 and the raspberry pi also include on-die temperature sensors which can be useful for deciding when to activate cooling fans.

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Documents

Pi G-Code HAT

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Pi G-Code HAT

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Smoothed Tracks

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BOM

ID Name Designator Footprint Quantity
1 4.7uF C4 C0603 1
2 100nF C1,C2,C3,C5,C6,C7,C14,C18,C21,C22,C23 C0402 11
3 12pF C8,C9 C0402 2
4 100pF C10 C0402 1
5 22uF C11,C12,C13 C0805 3
6 10uF C15 C1206 1
7 10nF C16 C0402 1
8 1uF C17 C0402 1
9 2.2uF C19,C20 C0603 2
10 Raspberry Pi CN1 RPI GPIO SMD 1
11 SS54 D1 SMA_L4.4-W2.8-LS5.4-R-RD 1
12 BAV99,215 D4,D5,D6,D7 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 4
13 MOTORS H2 HDR-TH_32P-2.54-V-M-R2-C16-S2.54 1
14 Hole H3,H4,H5,H6 2.75MM MOUNTING HOLE 4
15 CAN H7 HDR-TH_2P-P2.54-V 1
16 JUMPER JP1,JP2 S_JUMPER_2 2
17 10uH 3.2A L1 IND-SMD_L5.4-W5.2 1
18 39nH L2 L0402 1
19 FAN2 LED1 LED0603-R-RD 1
20 FAN0 LED2 LED0603-R-RD 1
21 3.3V LED3,ZSTOP1 LED0603-R-RD 2
22 24V LED4 LED0603-R-RD 1
23 BED LED5 LED0603-R-RD 1
24 FAN1 LED6 LED0603-R-RD 1
25 EXP2 P1 IDC-TH_10P-P2.54_C5665 1
26 FAN0 P2 CONN-TH_XH-2A 1
27 FAN2 P3 CONN-TH_XH-2A 1
28 EXP1 P4 IDC-TH_10P-P2.54_C5665 1
29 FAN1 P5 CONN-TH_XH-2A 1
30 BED P6 CONN-TH_XH-2A 1
31 RGB P7 CONN-TH_XH-2A 1
32 TH0 P8 CONN-TH_XH-2A 1
33 Z STOP P9 CONN-TH_XH-2A 1
34 TH1 P10 CONN-TH_XH-2A 1
35 ZXMS6004FFTA Q1,Q2,Q3,Q4 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 4
36 100K R1 R0402 1
37 12K R2 R0402 1
38 10K R4,R5,R15,R16,R19,R20,R27,R28 R0402 8
39 4.7K R8,R10,R11,R21,R22,R23 R0402 6
40 100 R7,R9,R12,R13,R18,R24,R25,R26 R0402 8
41 510 R3,R6,R14,R17 R0402 4
42 1K R29 R0402 1
43 120 R31 R0805 1
44 STM32F407V U1 LQFP-100_L14.0-W14.0-P0.50-LS16.0-BL 1
45 TPS54302 U2 TSOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR 1
46 Fan_25x25x10 U3 FAN_25_2 1
47 SN65HVD230DR U4 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1
48 16MHz X1 OSC-SMD_4P-L3.2-W2.5-BL 1

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