ADCS
About the ADCS PCB
ADCS is an open source RP2040/RP2350 PCB design by onionharvester, published on GitHub. It is a 4-layer board measuring 90.2 × 95.9 mm, with 184 components from 55 distinct parts.
Its main chip is the RP2350_80QFN, from the RP2040/RP2350 family. Other key parts include the MP6551GQB-Z, W25Q80DVSNIG, ADM1176-1ARMZ-R7, TPS54226PWPR and TLV1704. By type, the board carries 68 resistors, 65 capacitors, 20 connectors, 14 ICs, 7 transistors and 5 diodes.
From the project
A little gathering place for my PCBs. This is their favourite hangout spot! 🪼⋆.ೃ࿔*:･
Main components on the ADCS
ADCS bill of materials (BOM)
184 components, 55 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | MP6551GQB-Z | QFN-14_MP6551_MNP | U1, U6, U8 |
| 1 | RP2350_80QFN | RP2350-QFN-80-1EP_10x10_P0.4mm_EP3.4x3.4mm_ThermalVias | U2 |
| 1 | W25Q80DVSNIG MR25H40MDF | SON127P600X500X90-9N | U3 |
| 1 | ADM1176-1ARMZ-R7 | ADM1176-1ARMZ-R7 | U4 |
| 1 | TPS54226PWPR | PWP14_2P31X2P46-L | U5 |
| 1 | TLV1704 | TSSOP-14_4.4x5mm_P0.65mm | U7 |
| 2 | ADS7830 | TSSOP-16_4.4x5mm_P0.65mm | U9, U14 |
| 1 | RM3100CB | RM3100CB | U10 |
| 1 | BMI270 | BMI270 | U11 |
| 1 | Orion B16 | Orion_B16 | U12 |
| 1 | EP2W+ | QFN32-5X5MM | U13 |
| 5 | DMP2040USS-13 | DMP2040USS-13 | Q1, Q2, Q4, Q5, Q6 |
| 1 | MMBT2222A | SOT-23 | Q3 |
| 1 | MMBT2222AT IRLML2803 | SOT-23 | Q7 |
| 1 | ABM8-272-T3 | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 4 | 505567-0431 | Molex_505567-0431 | J1, J2, J16, J17 |
| 2 | 505567-0631 | Molex_505567-0631 | J3, J18 |
| 1 | 35362-1250 | Molex_35362-1250 | J4 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J5 |
| 2 | 901-144 Amphenol_901-144 | SMA_Amphenol_901-144_horizontal | J6, J7 |
Show 35 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_01x10 | PinHeader_1x10_P2.54mm_Vertical | J8 |
| 1 | USB_C_pycubed | USB_C_Receptacle_XKB_U262-161N-4BVC11 | J9 |
| 6 | 2053380002 | Molex_205338-0002 | J10, J11, J12, J13, J14, J15 |
| 1 | QWIIC | JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_Vertical | J19 |
| 1 | Conn_ARM_JTAG_SWD_10 | SAMTEC_FTSH-105-01-L-DV-007 | J20 |
| 2 | KMR231NG LFS | BTN_KMR2_4.6X2.8 | SW1, SW2 |
| 1 | SK6812 1655 | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1 |
| 1 | 1N4151W-E3-08 | D_SOD-123 | D2 |
| 2 | CMSH1-40M | DIOM5226X262N | D3, D4 |
| 1 | LTST-C190KGKT GREEN LED | LED_0603_1608Metric | D5 |
| 1 | 3.3uH | L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L1 |
| 1 | HPC5040NF-3R3MTH 3.3uH | L_2141 | L2 |
| 2 | 15pF | C_0603_1608Metric | C1, C2 |
| 5 | 10nF | C_0603_1608Metric | C3, C55, C57, C61, C64 |
| 10 | 4.7uF | C_0603_1608Metric | C4, C10, C11, C12, C15, C29, C56, C58 +2 |
| 21 | 100nF | C_0603_1608Metric | C5, C7, C13, C14, C16, C21, C23, C28 +13 |
| 13 | 10uF | C_0603_1608Metric | C6, C8, C19, C20, C22, C25, C30, C34 +5 |
| 5 | 22uF | C_0603_1608Metric | C9, C17, C18, C24, C33 |
| 2 | 3.3nF | C_0603_1608Metric | C26, C32 |
| 1 | 1uF | C_0603_1608Metric | C27 |
| 6 | 3.3uF | C_0603_1608Metric | C36, C40, C41, C52, C53, C54 |
| 26 | 10k | R_0603_1608Metric | R1, R5, R6, R9, R17, R21, R22, R25 +18 |
| 5 | 4.7k | R_0603_1608Metric | R2, R8, R24, R47, R67 |
| 13 | 1k | R_0603_1608Metric | R3, R4, R16, R20, R23, R30, R33, R36 +5 |
| 1 | 0.02 | R_2512_6332Metric | R7 |
| 9 | 100k | R_0603_1608Metric | R10, R11, R12, R15, R53, R56, R64, R65 +1 |
| 1 | 73.2k | R_0603_1608Metric | R13 |
| 1 | 22.1k | R_0603_1608Metric | R14 |
| 2 | 33 | R_0603_1608Metric | R26, R58 |
| 2 | 27 | R_0603_1608Metric | R27, R28 |
| 2 | 5.1k | R_0603_1608Metric | R39, R40 |
| 2 | 0 | R_0603_1608Metric | R49, R57 |
| 1 | 4.7M | R_0603_1608Metric | R55 |
| 2 | 3k | R_0603_1608Metric | R62, R63 |
| 1 | 3.3k | R_0603_1608Metric | R69 |
ADCS design files
The KiCad project lives in the onionharvester/boardwalk repository on GitHub; these links point at the commit this page was built from.
ADCS: common questions
What microcontroller does the ADCS use?
The ADCS is built around the RP2350_80QFN, from the RP2040/RP2350 family.
How big is the ADCS PCB?
The ADCS measures 90.2 × 95.9 mm, has 4 copper layers and is 1.6012 mm thick.
How many components are on the ADCS?
184 components, from 55 distinct parts. The full bill of materials is listed on this page.
Where can I download the ADCS design files?
From the onionharvester/boardwalk repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ADCS design in my own project?
The repository has no license, so all rights stay with onionharvester. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the ADCS without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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