DevCyclonekitten/Bambu-A1-Klipper4A repository about the development of modifying a bambu labs a1 printer to run on klipper
A1-Toolhead Board is an open-source printed circuit board by DevCyclonekitten, from the DevCyclonekitten/Bambu-A1-Klipper repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 49.6 × 43.6 mm with 74 parts on 71 nets, routed with 577 tracks and 59 vias.
It is built around the STM32G431KBU3, 74LVC1G17Z and TLV75733PDBV, with the TMC2209-LA, USBLC6-2SC6 and DSK26 among its other parts. Its parts include 26 resistors, 21 capacitors, 11 connectors, 5 ICs and 3 diodes. It belongs with the STM32 boards of this library.
A repository about the development of modifying a bambu labs a1 printer to run on klipper
Site viewable at: https://devcyclonekitten.github.io/Bambu-A1-Klipper/
Uhh this hasn't been updated, but so far I did get the printer working, then killed mainboard I have all components working, except screen and eddy current sensor, am just finalizing pcb's then trying to rebuild.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 10kΩ | PCM_JLCPCB:R_0402 | R7, R11, R19, R20, R24, R25, R28, R30 |
| 7 | 100nF | PCM_JLCPCB:C_0402 | C1, C3, C4, C5, C8, C13, C16 |
| 5 | 1uF | PCM_JLCPCB:C_0402 | C9, C17, C18, C21, C24 |
| 5 | 4.7kΩ | PCM_JLCPCB:R_0402 | R16, R23, R26, R29, R31 |
| 4 | 100Ω | PCM_JLCPCB:R_0402 | R3, R4, R6, R21 |
| 3 | 20kΩ | PCM_JLCPCB:R_0402 | R2, R5, R8 |
| 3 | 4.7uF | PCM_JLCPCB:C_1206 | C7, C11, C12 |
| 3 | m1.5 | Library:MountingHole_M1.5 | H1, H2, H3 |
| 2 | 100mO | Resistor_SMD:R_1206_3216Metric | R9, R100 |
| 2 | 2.2kΩ | Resistor_SMD:R_0603_1608Metric | R17, R18 |
| 2 | 30pF | PCM_JLCPCB:C_0402 | C22, C23 |
| 2 | DSK26 | PCM_JLCPCB:D_SOD-123FL | D1, D4 |
| 1 | 100uF 50V | Capacitor_SMD:CP_Elec_8x10.5 | C2 |
| 1 | 10nF | PCM_JLCPCB:C_0402 | C20 |
| 1 | 10uF | PCM_JLCPCB:C_0603 | C19 |
| 1 | 10Ω | PCM_JLCPCB:R_0402 | R27 |
| 1 | 120r 100MHz | Capacitor_SMD:C_0603_1608Metric | FB1 |
| 1 | 1ko | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 22nF | PCM_JLCPCB:C_0402 | C6 |
| 1 | 74LVC1G17 | PCM_JLCPCB:SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR | U6 |
| 1 | ADXL345 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J9 |
| 1 | AO3400A | PCM_JLCPCB:Q_SOT-23 | Q2 |
| 1 | BAV99 | Package_TO_SOT_SMD:SOT-23 | D3 |
| 1 | BL_PROBE | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J10 |
| 1 | BOOT | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | EXF | Connector_JST:JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J6 |
| 1 | EXTR_FIL | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | FPC_FILAMENT_SENSOR | Connector_FFC-FPC:Hirose_FH12-8S-0.5SH_1x08-1MP_P0.50mm_Horizontal | J14 |
| 1 | HE | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J13 |
| 1 | Motor_E | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J1 |
| 1 | PCF | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J7 |
| 1 | STM32G431KBU3 | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm | U2 |
| 1 | SW_SPST | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | SW1 |
| 1 | THO | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J12 |
| 1 | TLV75733PDBV | Package_TO_SOT_SMD:SOT-23-5 | U5 |
| 1 | TMC2209-LA | TMC2209-LA:TMC2209-LargerVias | U1 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U4 |
| 1 | USB_C_Plug | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | P1 |
| 1 | ~ | PCM_JLCPCB:Part_Num_JLCPCB | PN1 |
DevCyclonekitten/Bambu-A1-Klipper
A repository about the development of modifying a bambu labs a1 printer to run on klipper
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It measures 49.6 × 43.6 mm and has 2 copper layers, 1.6 mm thick.
74 parts, built around the STM32G431KBU3, 74LVC1G17Z, TLV75733PDBV and TMC2209-LA. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the DevCyclonekitten/Bambu-A1-Klipper repository on GitHub, at the commit this page was made from: the board is Hardware Files/A1-Toolhead-Board-Finished-V1/A1-Toolhead-Board.kicad_pcb and its schematic Hardware Files/A1-Main-Board/A1-Main-Board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).