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Std EditionRaspberry Pi G-Code HAT

Profile:Raspberry Pi HAT for Voron 2.4 3D Printer

License: CERN Open Hardware License

Published Time:2021-02-03 12:58:58
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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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Pi G-Code HAT

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Smoothed Tracks

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ID Name Designator Footprint Quantity
1 100K R1 R0402 1
2 4.7uF C4 C0603 1
3 12pF C9,C8 C0402 2
4 22uF C12,C13,C11 C0805 3
5 10nF C16 C0402 1
6 10K R5,R4,R16,R27,R15,R28,R19,R20 R0402 8
7 JUMPER JP1,JP2 S_JUMPER_2 2
8 Fan_25x25x10 U3 FAN_25_2 1
9 2.2uF C20,C19 C0603 2
10 SS54 D1 SMA_L4.4-W2.8-LS5.4-R-RD 1
11 1K R29 R0402 1
12 24V LED4 LED0603-R-RD 1
13 3.3V LED3,ZSTOP1 LED0603-R-RD 2
14 TFT H1 HDR-TH_5P-P2.54-V-M 1
15 SN65HVD230DR U4 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1
16 100pF C10 C0402 1
17 EXP1 P4 IDC-TH_10P-P2.54_C5665 1
18 EXP2 P1 IDC-TH_10P-P2.54_C5665 1
19 FAN0 LED2 LED0603-R-RD 1
20 FAN2 LED1 LED0603-R-RD 1
21 FAN1 LED6 LED0603-R-RD 1
22 BED LED5 LED0603-R-RD 1
23 16MHz X1 OSC-SMD_4P-L3.2-W2.5-BL 1
24 10uF C15 C1206 1
25 120 R31 R0805 1
26 12K R2 R0402 1
27 MOTORS H2 HDR-TH_32P-2.54-V-M-R2-C16-S2.54 1
28 10uH 3.2A L1 IND-SMD_L5.4-W5.2 1
29 4.7K R8,R22,R11,R10,R23,R21 R0402 6
30 ZXMS6004FFTA Q1,Q4,Q3,Q2 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 4
31 1uF C17 C0402 1
32 CAN H7 HDR-TH_2P-P2.54-V 1
33 100nF C5,C1,C2,C7,C18,C21,C22,C3,C6,C14,C23 C0402 11
34 TPS54302 U2 TSOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR 1
35 FAN2 P3 CONN-TH_XH-2A 1
36 FAN1 P5 CONN-TH_XH-2A 1
37 FAN0 P2 CONN-TH_XH-2A 1
38 BED P6 CONN-TH_XH-2A 1
39 TH0 P8 CONN-TH_XH-2A 1
40 TH1 P10 CONN-TH_XH-2A 1
41 RGB P7 CONN-TH_XH-2A 1
42 Z STOP P9 CONN-TH_XH-2A 1
43 510 R17,R14,R6,R3 R0402 4
44 BAV99,215 D5,D7,D6,D4 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 4
45 Hole H3,H6,H5,H4 2.75MM MOUNTING HOLE 4
46 Raspberry Pi CN1 RPI GPIO SMD 1
47 100 R13,R25,R12,R26,R9,R24,R7,R18 R0402 8
48 39nH L2 L0402 1
49 STM32F407V U1 LQFP-100_L14.0-W14.0-P0.50-LS16.0-BL 1

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