Digital board v1
About the Digital board v1
Digital board v1 is an open source RP2040/RP2350 PCB design by es-ude, published on GitHub under the MIT license. It is a 8-layer board measuring 90 × 65 mm, with 240 components from 50 distinct parts.
Its main chip is the RPi Pico, from the RP2040/RP2350 family. Other key parts include the LM3881MME/NOPB, LTC3569EUDPBF, TPS51200DRCR, XC7A100T-CSG324 and S25FL256S. By type, the board carries 135 capacitors, 66 resistors, 11 connectors, 9 ICs, 9 diodes and 5 inductors.
From the project
Schematics and Board design for ElasticNodeHardware
Before you start using the ENv5, please read the following documents accordingly: - ENv5 Test Version User Manual - ENv5 Revision 1 User Manual
Troubleshooting - When you notice the esp32 is not responding to the RP2040, you can apply the pre-build firmware to test. - some descriptions about the behavior of the test are available here.
Main components on the Digital board v1
Digital board v1 bill of materials (BOM)
240 components, 50 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RPi Pico | RPi_Pico_SMD_TH_wUSB_TP | U11 |
| 1 | LM3881MME/NOPB LM3881MME_NOPB | VSSOP-8_3x3mm_P0.65mm | U101 |
| 2 | LTC3569EUDPBF | QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mm | U102, U103 |
| 1 | TPS51200DRCR | VSON-10-TPS51200DRCR | U104 |
| 1 | XC7A100T-CSG324 | BGA-324_18x18_15.0x15.0mm | U301 |
| 1 | S25FL256S | WSON-8_EP_8x6_Pitch1.27mm | U302 |
| 1 | AS4C256M16D3 Alliance Memory | BGA-96_9.0x13.0mm_Layout2x3x16_P0.8mm | U501 |
| 1 | KSZ9031RNXCA Microchip | QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm | U601 |
| 1 | ABM8G-25.000MHZ-18-D2Y-T3 KX7_QRZ_25MHz Abracon | KX-7 | Y601 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | USB-C Receptable (16P) | USB_C_Receptacle_16P | J3 |
| 4 | SMA-FEMALE-H | SMA_Samtec_SMA-J-P-H-ST-EM1_EdgeMount | J301, J302, J303, J304 |
| 3 | PMOD | PinSocket_2x06_P2.54mm_Vertical | J305, J306, J307 |
| 1 | AMD JTAG Header | PinHeader_2x07_P2.00mm_Vertical | J401 |
| 1 | L834-1G1T-S7 7499111121A Wuerth Elektronik | RJ45_7499111121A | J601 |
| 4 | TL3365AF180QG | TACTILE-SWITCH | S301, S302, S303, S401 |
| 1 | BAT54AW | SOT-323_SC-70 | D8 |
| 3 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D201, D202, D203 |
| 5 | LED_0603 | LED_0603_1608Metric | D204, D301, D302, D303, D401 |
| 1 | 1.5u | L_0806_2016Metric | L101 |
Show 30 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 3.3u | L_0806_2016Metric | L102, L104, L105 |
| 1 | 2.2u | L_0806_2016Metric | L103 |
| 37 | 100n | C_0402_1005Metric | C101, C102, C103, C104, C105, C113, C114, C115 +29 |
| 2 | 47µ | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C106, C117 |
| 2 | 6p8 | C_0402_1005Metric | C107, C118 |
| 9 | 10µ | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C108, C110, C112, C119, C121, C124, C127, C128 +1 |
| 3 | 3p3 | C_0402_1005Metric | C109, C111, C120 |
| 51 | 470n | C_0402_1005Metric | C301, C302, C303, C304, C308, C309, C310, C311 +43 |
| 16 | 10µ | C_0402_1005Metric | C305, C306, C312, C313, C319, C320, C326, C327 +8 |
| 5 | 100µ | C_1206_3216Metric | C307, C314, C321, C328, C413 |
| 1 | 47µ | C_0603_1608Metric | C401 |
| 1 | 47µ | C_0805_2012Metric | C405 |
| 1 | 100µ | C_1210_3225Metric | C414 |
| 5 | 10µ | C_0603_1608Metric | C601, C606, C617, C622, C625 |
| 2 | 18p | C_0402_1005Metric | C626, C627 |
| 5 | 100k | R_0402_1005Metric | R101, R102, R103, R104, R115 |
| 6 | 120k | R_0402_1005Metric | R106, R108, R110, R114, R204, R205 |
| 1 | 30k | R_0402_1005Metric | R107 |
| 1 | 150k | R_0402_1005Metric | R109 |
| 2 | 180k | R_0402_1005Metric | R111, R118 |
| 1 | 57k6 | R_0402_1005Metric | R112 |
| 1 | 200k | R_0402_1005Metric | R116 |
| 1 | 124K | R_0402_1005Metric | R117 |
| 18 | 10k | R_0402_1005Metric | R121, R122, R123, R124, R313, R314, R315, R601 +10 |
| 6 | 5k1 | R_0402_1005Metric | R201, R202, R403, R404, R405, R615 |
| 5 | 470R | R_0402_1005Metric | R203, R402, R610, R611, R612 |
| 5 | 1k5 | R_0402_1005Metric | R206, R306, R307, R308, R504 |
| 7 | 100R | R_0402_1005Metric | R301, R302, R303, R304, R305, R401, R505 |
| 4 | 0R | R_0402_1005Metric | R309, R310, R311, R312 |
| 3 | EXB-2HV510JV | SMD16_EXB2HV_0602X8_PAN | R501, R502, R503 |
Digital board v1 design files
The KiCad project lives in the es-ude/elasticai.hardware repository on GitHub; these links point at the commit this page was built from.
Digital board v1: common questions
What microcontroller does the Digital board v1 use?
The Digital board v1 is built around the RPi Pico, from the RP2040/RP2350 family.
How big is the Digital board v1?
The Digital board v1 measures 90 × 65 mm, has 8 copper layers and is 1.567999 mm thick.
How many components are on the Digital board v1?
240 components, from 50 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 Digital board v1 design files?
From the es-ude/elasticai.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 Digital board v1 design in my own project?
Yes, under the terms of its MIT license, which es-ude chose for the repository.
Can I test firmware for the Digital board v1 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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