Control board
About the Control board
Control board is an open source RP2040/RP2350 PCB design by TrendBit, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 56 × 85 mm, with 210 components from 42 distinct parts.
Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the AT24C256C-SSHL-T, W25Q32JVZPIQ, REF3033AIDBZR, 74HC14D,653 and DRV8870DDAR. By type, the board carries 73 capacitors, 65 resistors, 19 diodes, 19 inductors, 14 ICs and 13 connectors.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Design file for SMBR hardware modules in KiCAD.
Main components on the Control board
Control board bill of materials (BOM)
210 components, 42 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AT24C256C-SSHL-T AT24C256 | SOIC-8_3.9x4.9mm_P1.27mm | U201 |
| 1 | W25Q32JVZPIQ W25Q32JVZP | WSON-8-1EP_6x5mm_P1.27mm_EP3.4x4.3mm | U202 |
| 1 | REF3033AIDBZR REF3033 | SOT-23 | U203 |
| 1 | RP2040 | QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U204 |
| 1 | 74HC14D,653 74HC14 | SOIC-14_3.9x8.7mm_P1.27mm | U501 |
| 3 | DRV8870DDAR DRV8870DDA | Texas_HTSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.95x4.9mm_Mask2.4x3.1mm_ThermalVias | U801, U1401, U1501 |
| 4 | AP8802HSP-13 AP8802 | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm_ThermalVias | U1001, U1101, U1201, U1301 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U1701 |
| 1 | SN65HVD230DR SN65HVD230 | SOIC-8_3.9x4.9mm_P1.27mm | U1702 |
| 3 | DMC3071 | TSOT-23-6 | Q301, Q601, Q701 |
| 1 | ABM8G-12.000MHZ-4Y-T3 12MHz | Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm | Y201 |
| 3 | DF3A-3P-2DS DF3A-3P | Hirose_DF3A-03P-2DS_1x03_P2.00mm_Horizontal | J301, J601, J701 |
| 5 | DF3A-2P-2DS | Hirose_DF3A-02P-2DS_1x02_P2.00mm_Horizontal | J401, J402, J403, J1601, J1602 |
| 3 | 2.54-2*5P | IDC-Header_2x05_P2.54mm_Vertical | J901, J902, J1701 |
| 1 | PH-00244 | PinSocket_2x05_P2.54mm_Vertical | J1702 |
| 1 | TYPE-C16PIN U263-163N-4BLS1735 | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1802 |
| 2 | TS-1187A-B-A-B | SW_SPST_TL3342 | SW201, SW202 |
| 1 | SDNT1608X103F3950FTF 10k, 3950b | L_0603_1608Metric | TH1601 |
| 4 | KT-0603R RED | LED_0603_1608Metric | D201, D202, D203, D1802 |
| 1 | 19-213/Y2C-CQ2R2L/3T(CY) YELLOW | LED_0603_1608Metric | D204 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | XL-1608UGC-04 GREEN | LED_0603_1608Metric | D205 |
| 7 | B5817W | D_SOD-123 | D301, D302, D601, D602, D701, D702, D1801 |
| 5 | SS34 | D_SMA | D1001, D1101, D1201, D1301, D1702 |
| 1 | PSM712-LF-T7 | SOT-23 | D1701 |
| 13 | GZ1608D601TF 10R@100MHz | L_0603_1608Metric | FB201, FB301, FB601, FB701, FB801, FB802, FB1401, FB1402 +5 |
| 6 | CYA0650-68UH 68uH | L_Sumida_CDMC6D28_7.25x6.5mm | L401, L402, L1001, L1101, L1201, L1301 |
| 35 | 100nF | C_0603_1608Metric | C201, C203, C204, C205, C210, C211, C212, C213 +27 |
| 14 | 1uF | C_0603_1608Metric | C202, C208, C209, C216, C218, C302, C602, C702 +6 |
| 2 | 10pF | C_0603_1608Metric | C206, C207 |
| 4 | 10uF | C_0805_2012Metric | C401, C402, C403, C404 |
| 8 | 10nF | C_0603_1608Metric | C804, C1003, C1103, C1203, C1303, C1404, C1504, C1703 |
| 10 | RVT1V100M0405 10uF/25V | CP_Elec_4x5.4 | C805, C1002, C1102, C1202, C1302, C1405, C1505, C1701 +2 |
| 7 | 5.1k | R_0603_1608Metric | R201, R202, R218, R1601, R1602, R1802, R1803 |
| 7 | 270R | R_0603_1608Metric | R203, R208, R210, R211, R212, R1804, R1805 |
| 25 | 1k | R_0603_1608Metric | R204, R205, R213, R304, R604, R704, R801, R802 +17 |
| 12 | 10k | R_0603_1608Metric | R207, R209, R217, R302, R303, R602, R603, R702 +4 |
| 2 | 22R | R_0603_1608Metric | R214, R215 |
| 3 | 10R | R_0603_1608Metric | R301, R601, R701 |
| 3 | 2.2k | R_0603_1608Metric | R305, R605, R705 |
| 2 | 100mR/0.5W | R_1210_3225Metric | R401, R402 |
| 2 | 0R | R_0603_1608Metric | R403, R1801 |
| 2 | 60R | R_1206_3216Metric | R1701, R1702 |
Control board design files
The KiCad project lives in the TrendBit/SMBR-hardware repository on GitHub; these links point at the commit this page was built from.
Control board: common questions
What microcontroller does the Control board use?
The Control board is built around the RP2040, from the RP2040/RP2350 family.
How big is the Control board?
The Control board measures 56 × 85 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Control board?
210 components, from 42 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Control board design files?
From the TrendBit/SMBR-hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Control board design in my own project?
Yes, under the terms of its GPL-3.0 license, which TrendBit chose for the repository.
Can I test firmware for the Control board 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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