
Das4-controller
brandonrc/das4-controller
Open-source RP2350B replacement controller board for the Das Keyboard 4 Professional (KiCad 10)

All files related to the group project can be found in the Project folder. It contains the following parts of our project:
SmartEggTimer is an open-source printed circuit board by meierh, from the meierh/Embedded_System_Hands_On_I repository on GitHub. It is a 2-layer board with 66 parts on 81 nets, routed with 543 tracks and 50 vias.
It is built around the STM32F103RET6, AP7361C-33E and EC12E24204A2, with the STP60NF06L among its other parts. Its parts include 22 resistors, 18 capacitors, 8 connectors, 7 switches and 2 ICs. It belongs with the STM32 boards of this library.
All files related to the group project can be found in the Project folder. It contains the following parts of our project:
The project documentation can be found here.
The full documentation of tasks 1 - 6 can be found here. Source code and additional files for each task can be found in the respective subfolders.
git submodule update --init --recursive.gitignore contains an entry to ignore the folder "LOCAL" and all of its subfolders anywhere within this project.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 10k | Resistor_SMD:R_0402_1005Metric | R2, R8, R9, R10, R11, R14, R16, R18, R20 |
| 6 | 100n | Capacitor_SMD:C_0402_1005Metric | C2, C3, C4, C5, C6, C14 |
| 6 | 1u | Capacitor_SMD:C_0402_1005Metric | C8, C9, C15, C16, C17, C18 |
| 4 | 22k | Resistor_SMD:R_0402_1005Metric | R15, R17, R19, R21 |
| 4 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2, J3, J7, J8 |
| 4 | MountingHole | custom-parts:MountingHole_4.3mm_M4_Without-Screws | H1, H2, H3, H8 |
| 3 | 100k | Resistor_SMD:R_0402_1005Metric | R4, R22, R23 |
| 3 | 10n | Capacitor_SMD:C_0402_1005Metric | C7, C12, C13 |
| 3 | 4k7 | Resistor_SMD:R_0402_1005Metric | R1, R6, R7 |
| 2 | 1M | Resistor_SMD:R_0402_1005Metric | R12, R13 |
| 2 | 4u7 | Capacitor_SMD:C_0805_2012Metric | C10, C11 |
| 2 | Conn_01x02_Socket | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5, J6 |
| 2 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H13mm | SW3, SW4 |
| 1 | 100 | Resistor_SMD:R_0402_1005Metric | R5 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 600R | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | AP7361C-33E | custom-parts:SOT-223_L6.5-W3.5-P2.30-LS7.0-BR | U2 |
| 1 | Conn_01x05_Pin | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J1 |
| 1 | Conn_01x06_Pin | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J4 |
| 1 | EC12E24204A2 | custom-parts:SW-TH_EC12E24204A2 | SW2 |
| 1 | LOGO | LOGO | G*** |
| 1 | STM32F103RET6 | custom-parts:LQFP-64_L10.0-W10.0-P0.50-LS12.0-BL | U1 |
| 1 | STP60NF06L | Package_TO_SOT_THT:TO-220-3_Vertical | Q1 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | SW_Push | custom-parts:SW_PUSH_6mm_H13mm_No-Pad_Top-Right | SW5 |
| 1 | SW_Push | custom-parts:SW_PUSH_6mm_H13mm_No-Pad_Top-Left | SW6 |
| 1 | SW_SPDT | custom-parts:SW_Slide_SPDT_Angled_CK_OS102011MA1Q_Protruding | SW7 |
| 1 | ~ | Connector_PinSocket_2.54mm:PinSocket_1x07_P2.54mm_Vertical | OLED-15W-C1 |
| 1 | ~ | custom-parts:DFplayer-Mini | DFPlayerMini1 |

brandonrc/das4-controller
Open-source RP2350B replacement controller board for the Das Keyboard 4 Professional (KiCad 10)

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66 parts, built around the STM32F103RET6, AP7361C-33E, EC12E24204A2 and STP60NF06L. 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 meierh/Embedded_System_Hands_On_I repository on GitHub, at the commit this page was made from: the board is Project/PCB/smartEggTimer.kicad_pcb and its schematic Project/PCB/smartEggTimer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask meierh before reusing the design.