Pico extender
About the Pico extender PCB
Pico extender is an open source RP2040/RP2350 PCB design by ChipCE, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 180.2 × 51.5 mm, with 94 components from 44 distinct parts.
Its main chip is the Raspberry-pico-smd, from the RP2040/RP2350 family. Other key parts include the OKI-T/36W-W40N-C. By type, the board carries 35 resistors, 27 connectors, 14 diodes, 10 capacitors, 5 transistors and 3 ICs.
It belongs with the robotics & motion designs in this gallery.
From the project
Varios PCB design for 3D printers and drones
Main components on the Pico extender
Pico extender bill of materials (BOM)
94 components, 44 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Raspberry-pico-smd | Raspberry-pico-smd | U1 |
| 2 | OKI-T/36W-W40N-C | OKI-T-DOSA-th | U2, U3 |
| 5 | NCV8402 | SOT-223 | Q1, Q2, Q3, Q4, Q5 |
| 1 | Conn_01x02_Female | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J1 |
| 1 | FET_1_V_SELECT | PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | FET_2_V_SELECT | PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | FET_1 | JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical | J4 |
| 1 | FET_2 | JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical | J5 |
| 1 | FAN_3_V_SELECT | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | FAN_3 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J7 |
| 1 | VB_SELECT | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | FAN_1_V_SELECT | PinHeader_1x03_P2.54mm_Vertical | J9 |
| 1 | FAN_2_V_SELECT | PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | FAN_1 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J11 |
| 1 | FAN_2 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J12 |
| 1 | DO_1 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J13 |
| 1 | DO_2 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J14 |
| 1 | DO_3 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J15 |
| 1 | DO_4 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J16 |
| 1 | DO_5 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J17 |
Show 24 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DI_1 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J18 |
| 1 | DI_2 | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J19 |
| 1 | I2C_1 | JST_XH_B04B-XH-A_1x04_P2.50mm_Vertical | J20 |
| 2 | I2C_2 | JST_XH_B04B-XH-A_1x04_P2.50mm_Vertical | J21, J26 |
| 1 | ADC_GENERIC | JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical | J22 |
| 1 | ADC_PT1000 | JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical | J23 |
| 1 | ADC_RAW | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J24 |
| 1 | USB | JST_XH_B04B-XH-A_1x04_P2.50mm_Vertical | J25 |
| 1 | SPI | JST_XH_B06B-XH-A_1x06_P2.50mm_Vertical | J27 |
| 1 | VIN_LED | LED_0805_2012Metric | D1 |
| 5 | 1N914 | D_SOD-523 | D2, D3, D6, D10, D11 |
| 1 | 12V_LED | LED_0805_2012Metric | D4 |
| 6 | BAV99 | SOT-323_SC-70 | D5, D8, D9, D12, D13, D14 |
| 1 | 5V_LED | LED_0805_2012Metric | D7 |
| 1 | 100u | CP_Elec_10x10 | C1 |
| 8 | 100n | C_0603_1608Metric | C2, C4, C5, C6, C7, C8, C9, C10 |
| 1 | 330u | CP_Elec_10x10 | C3 |
| 2 | 4K7 | R_0603_1608Metric | R1, R28 |
| 15 | 1K | R_0603_1608Metric | R2, R3, R8, R10, R11, R13, R14, R15 +7 |
| 7 | 10K | R_0603_1608Metric | R4, R5, R9, R16, R17, R24, R25 |
| 1 | 500R | R_0603_1608Metric | R6 |
| 1 | 2K2 | R_0603_1608Metric | R7 |
| 3 | 1K8 | R_0603_1608Metric | R12, R22, R23 |
| 6 | 2K37 | R_0603_1608Metric | R30, R31, R32, R33, R34, R35 |
Pico extender design files
The KiCad project lives in the ChipCE/juice-plus-pcb repository on GitHub; these links point at the commit this page was built from.
Pico extender: common questions
What microcontroller does the Pico extender use?
The Pico extender is built around the Raspberry-pico-smd, from the RP2040/RP2350 family.
How big is the Pico extender PCB?
The Pico extender measures 180.2 × 51.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Pico extender?
94 components, from 44 distinct parts. The full bill of materials is listed on this page.
Where can I download the Pico extender design files?
From the ChipCE/juice-plus-pcb repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Pico extender design in my own project?
Yes, under the terms of its GPL-3.0 license, which ChipCE chose for the repository.
Can I test firmware for the Pico extender 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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