4 layers34 × 34 mm
Elasticnode tiny
es-ude/elasticai.hardware
Schematics and Board design for ElasticNodeHardware
125 parts4MIT
8 layers90 × 65 mm
Digital board v1
es-ude/elasticai.hardware4Schematics and Board design for ElasticNodeHardware
- Size
- 90 × 65 mm
- Copper layers
- 8
- Thickness
- 1.57 mm
- Parts
- 261
- Nets
- 330
- Pads
- 1,312
- Tracks, vias
- 5,995, 1,563
- Pours
- 29
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 16 Jun 2019
- Updated
- 5 Nov 2026
Overview
Digital board v1 is an open-source printed circuit board by es-ude, from the es-ude/elasticai.hardware repository on GitHub, published under the MIT licence. It is an 8-layer board of 90 × 65 mm with 261 parts on 330 nets, routed with 5,995 tracks and 1,563 vias.
It is built around the KSZ9031RNXCA, TPS51200DRCR and TL3365AF180QG, with the WS2812B, L834-1G1T-S7 and BAT54AW among its other parts. Its parts include 135 capacitors, 74 resistors, 11 connectors, 9 ICs and 9 diodes. It belongs with the RP2040 and FPGA and CPLD boards of this library.
Main components
7
KSZ9031RNXCA
QFN-48-EP(7x7)0℃~+70℃ 1.2V、1.8V、2.5V、3.3V 10BASE-T、100BASE-TX、1000BASE-T 10Mbit/s、100Mbit/s、1Gbit/s 4 PHY Transceiver RGMII QFN-48-EP(7x7) Ethernet Transceivers ROHSMicrochip TechnologyEthernet Transceivers
TPS51200DRCR
VSON-10-EP(3x3)-40℃~+85℃@(TA) 1 1mA 2.375V~3.5V Adjustable Buck Built-in Overcurrent Protection、Output discharge、Operating status indication、Output voltage tracking Step-down type VSON-10-EP(3x3) Power Management - Specialized ROHSTexas InstrumentsPower Management - Specialized
TL3365AF180QG
SMD-4P,4.2x3.2mm-20℃~+70℃ 1.8N 100,000 cycles 12V 2.5mm 3.2mm 4.2mm 50mA J-Lead Oval Button SPST Surface Mount,Vertical White Without Bracket SMD-4P,4.2x3.2mm Tactile Switches ROHSE-SwitchTactile Switches
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
L834-1G1T-S7
RJ45-THRJ45-TH Ethernet Connectors / Modular Connectors (RJ45 RJ11) ROHSBel FuseEthernet Connectors / Modular Connectors (RJ45 RJ11)
BAT54AW
SOT-323(SC-70)1 Pair Common Anode 1V@100mA 200mA 2uA@25V 30V SOT-323(SC-70) Schottky Diodes ROHSDiodes IncorporatedSchottky Diodes
ABM8G-25.000MHZ-18-D2Y-T3
SMD3225-4P-40℃~+85℃ 18pF 25MHz 60Ω ±20ppm ±30ppm SMD3225-4P Crystals ROHSAbraconCrystals
README
readme.mdElastic Node Hardware Platform
This repo contains the hardware design files of our elastic node hardware for deploying deep learning architectures on embedded hardware.
ENv6 - Elastic Node v6
Still in progress
ENv5 - Elastic Node v5
The 5th generation of Elastic node is designed based on the 4th version, but with some improvements. The main improvements are:
- Using Cortex-M0 MCU instead of AVR 8-bit MCU, to gain more performance and lower power consumption.
- Using SPI as the communication interface between MCU and the FPGA to save more IO pins.
- Simplify the power supply circuit to reduce the space and improve reliability.
- Adding an energy meter chip to ease the energy measurement.
- Optimize the PCB layout to reduce the PCB size.
Before you start using the ENv5, please read the following documents accordingly:
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.
Parts
261| Qty | Value | Footprint | References |
|---|---|---|---|
| 51 | 470n | Capacitor_SMD:C_0402_1005Metric | C301, C302, C303, C304, C308, C309, C310, C311, C315, C316, C317, C318, C322, C323, C324, C325 +35 |
| 37 | 100n | Capacitor_SMD:C_0402_1005Metric | C101, C102, C103, C104, C105, C113, C114, C115, C116, C125, C126, C130, C131, C144, C201, C202 +21 |
| 18 | 10k | Resistor_SMD:R_0402_1005Metric | R121, R122, R123, R124, R313, R314, R315, R601, R602, R603, R604, R605, R606, R607, R608, R609 +2 |
| 16 | 10µ | Capacitor_SMD:C_0402_1005Metric | C305, C306, C312, C313, C319, C320, C326, C327, C403, C404, C415, C416, C417, C418, C419, C420 |
| 9 | 10µ | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C108, C110, C112, C119, C121, C124, C127, C128, C129 |
| 8 | 120k | Resistor_SMD:R_0402_1005Metric | R105, R106, R108, R110, R113, R114, R204, R205 |
| 8 | TestPoint_Probe | TestPoint:TestPoint_Pad_1.0x1.0mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 |
| 7 | 100R | Resistor_SMD:R_0402_1005Metric | R301, R302, R303, R304, R305, R401, R505 |
| 6 | 5k1 | Resistor_SMD:R_0402_1005Metric | R201, R202, R403, R404, R405, R615 |
| 5 | 100k | Resistor_SMD:R_0402_1005Metric | R101, R102, R103, R104, R115 |
| 5 | 100µ | Capacitor_SMD:C_1206_3216Metric | C307, C314, C321, C328, C413 |
| 5 | 10µ | Capacitor_SMD:C_0603_1608Metric | C601, C606, C617, C622, C625 |
| 5 | 1k5 | Resistor_SMD:R_0402_1005Metric | R206, R306, R307, R308, R504 |
| 5 | 470R | Resistor_SMD:R_0402_1005Metric | R203, R402, R610, R611, R612 |
| 5 | LED_0603 | LED_SMD:LED_0603_1608Metric | D204, D301, D302, D303, D401 |
| 4 | 0R | Resistor_SMD:R_0402_1005Metric | R309, R310, R311, R312 |
| 4 | 2kR | Resistor_SMD:R_0402_1005Metric | R316, R317, R318, R319 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 4 | SMA-FEMALE-H | connectors:SMA_Samtec_SMA-J-P-H-ST-EM1_EdgeMount | J301, J302, J303, J304 |
| 4 | TL3365AF180QG | connectors:TACTILE-SWITCH | S301, S302, S303, S401 |
| 3 | 3.3u | custom_library:L_0806_2016Metric | L102, L104, L105 |
| 3 | 3p3 | Capacitor_SMD:C_0402_1005Metric | C109, C111, C120 |
| 3 | EXB-2HV510JV | custom_library:SMD16_EXB2HV_0602X8_PAN | R501, R502, R503 |
| 3 | PMOD | Connector_PinSocket_2.54mm:PinSocket_2x06_P2.54mm_Vertical | J305, J306, J307 |
| 3 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D201, D202, D203 |
| 2 | 180k | Resistor_SMD:R_0402_1005Metric | R111, R118 |
| 2 | 18p | Capacitor_SMD:C_0402_1005Metric | C626, C627 |
| 2 | 47µ | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C106, C117 |
| 2 | 6p8 | Capacitor_SMD:C_0402_1005Metric | C107, C118 |
| 2 | LTC3569EUDPBF | custom_library:QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mm | U102, U103 |
| 1 | 1.5u | custom_library:L_0806_2016Metric | L101 |
| 1 | 100µ | Capacitor_SMD:C_1210_3225Metric | C414 |
| 1 | 10M | Resistor_SMD:R_0402_1005Metric | R614 |
| 1 | 124K | Resistor_SMD:R_0402_1005Metric | R117 |
| 1 | 150k | Resistor_SMD:R_0402_1005Metric | R109 |
| 1 | 2.2u | custom_library:L_0806_2016Metric | L103 |
| 1 | 200k | Resistor_SMD:R_0402_1005Metric | R116 |
| 1 | 30k | Resistor_SMD:R_0402_1005Metric | R107 |
| 1 | 4.7kR | Resistor_SMD:R_0402_1005Metric | R320 |
| 1 | 47µ | Capacitor_SMD:C_0603_1608Metric | C401 |
| 1 | 47µ | Capacitor_SMD:C_0805_2012Metric | C405 |
| 1 | 57k6 | Resistor_SMD:R_0402_1005Metric | R112 |
| 1 | 7499111121A | connectors:RJ45_7499111121A | J601 |
| 1 | AMD JTAG Header | Connector_PinHeader_2.00mm:PinHeader_2x07_P2.00mm_Vertical | J401 |
| 1 | AS4C256M16D3 | common_library:BGA-96_9.0x13.0mm_Layout2x3x16_P0.8mm | U501 |
| 1 | BAT54AW | Package_TO_SOT_SMD:SOT-323_SC-70 | D8 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | KSZ9031RNXCA | custom_library:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm | U601 |
| 1 | KX7_QRZ_25MHz | custom_library:KX-7 | Y601 |
| 1 | LM3881MME_NOPB | custom_library:VSSOP-8_3x3mm_P0.65mm | U101 |
| 1 | LOGO | logos:logo_ude_5x5 | G*** |
| 1 | RPi Pico | mcu_pico_rp2040:RPi_Pico_SMD_TH_wUSB_TP | U11 |
| 1 | S25FL256S | custom_library:WSON-8_EP_8x6_Pitch1.27mm | U302 |
| 1 | TPS51200DRCR | custom_library:VSON-10-TPS51200DRCR | U104 |
| 1 | USB-C Receptable (16P) | connectors:USB_C_Receptacle_16P | J3 |
| 1 | XC7A100T-CSG324 | common_library:BGA-324_18x18_15.0x15.0mm | U301 |
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Questions
How big is the Digital board v1 PCB?
It measures 90 × 65 mm and has 8 copper layers, 1.57 mm thick.
What parts does the Digital board v1 use?
261 parts, built around the KSZ9031RNXCA, TPS51200DRCR, TL3365AF180QG and WS2812B. 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.
Where can I download the Digital board v1 KiCad files?
From the es-ude/elasticai.hardware repository on GitHub, at the commit this page was made from: the board is v6/dev_artix/digital_board_v1.kicad_pcb and its schematic measurement/mxo_offset_full/MXO_Offset_Generator.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Digital board v1 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).