2 layers78 × 40 mm
2 layers78 × 40 mm
Node base
LanternD/NB-Scope6Hardware and software design for NB-Scope.
- Size
- 78 × 40 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 73
- Nets
- 95
- Pads
- 393
- Tracks, vias
- 1,734, 138
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 5 (file 20191123)
- Created
- 24 Aug 2020
- Updated
- 25 Jan 2022
Overview
Node base is an open-source printed circuit board by LanternD, from the LanternD/NB-Scope repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 78 × 40 mm with 73 parts on 95 nets, routed with 1,734 tracks and 138 vias.
It is built around the LM3671MF-3.3, SI7021-A20-GM and CAT24C128LI-, with the SMF05C, TXB0108DQSR and MMBT3904 among its other parts. Its parts include 20 capacitors, 17 resistors, 12 connectors, 7 ICs and 4 diodes. It belongs with the home automation and IoT boards and the STM32 boards of this library.
Main components
6
LM3671MF-3.3
SOT-23-5-40℃~+85℃@(TA) 1 16uA 2.7V~5.5V 2MHz 3.3V 600mA Buck Buck Built-in Fixed Yes SOT-23-5 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
SI7021-A20-GM
DFN-6-EP(3x3)DFN-6-EP(3x3) Temperature and Humidity Sensor ROHSSilicon LabsTemperature And Humidity Sensor
CAT24C128LI-
PDIP-8-40℃~+85℃ 1,000,000 cycles 1.8V~5.5V 100 Years 128Kbit 1MHz 5ms I2C Noise suppression function、Power-down/Power-up protection circuit PDIP-8 EEPROM ROHSonsemiEEPROM
SMF05C
SC-88-40℃~+125℃ 100W@8/20us 12.5V 5 5V 7.2V 70nA 80pF 8A@8/20us IEC 61000-4-2 TVS SC-88 ESD and Surge Protection (TVS/ESD) ROHSonsemiESD And Surge Protection (TVS/ESD)
TXB0108DQSR
SON-20(2x4)-40℃~+85℃ 1.2V~3.6V 1.65V~5.5V 100Mbps Bidirectional Decoupling、Auto Direction Detection、Power-Off Protection Tri-State SON-20(2x4) Translators, Level Shifters ROHSTexas InstrumentsTranslators, Level Shifters
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
README
README.mdNB-Scope
Hardware and software design for NB-Scope.
NB-Scope is employed in our MobiCom 20 paper "Understanding Power Consumption of NB-IoT in the Wild: Tool and Large-scale Measuremen" DOI.
Please check the README.md under the folders for more details.
Parts
73| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100nF | Capacitor_SMD:C_0603_1608Metric | C10, C11, C12, C13, C16, C18, C19, C20 |
| 6 | 10nF | Capacitor_SMD:C_0603_1608Metric | C1, C6, C7, C14, C15, C17 |
| 4 | 10k | Resistor_SMD:R_0603_1608Metric | R4, R6, R7, R8 |
| 4 | 10pF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4, C5 |
| 4 | 22 | Resistor_SMD:R_0603_1608Metric | R9, R10, R20, R21 |
| 4 | 4.7k | Resistor_SMD:R_0603_1608Metric | R3, R11, R13, R16 |
| 4 | LED | LED_SMD:LED_0805_2012Metric | D1, D2, D3, D4 |
| 2 | USB_B_Micro | Connector_USB:USB_Micro-B_Molex-105017-0001 | J5, J10 |
| 1 | 0 | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 10uF | Capacitor_SMD:CP_Elec_4x5.4 | C9 |
| 1 | 2.2k | Resistor_SMD:R_Array_Convex_4x0603 | RN4 |
| 1 | 2.2k | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R22 |
| 1 | 2.2uH | Inductor_SMD:L_7.3x7.3_H4.5 | L1 |
| 1 | 220k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 22k | Resistor_SMD:R_Array_Convex_8x0602 | RN1 |
| 1 | 32.768kHz | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y2 |
| 1 | 4.7uF | Capacitor_SMD:C_1210_3225Metric | C8 |
| 1 | 40 | Resistor_SMD:R_Array_Convex_8x0602 | RN2 |
| 1 | 470k | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 8MHz | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
| 1 | AUX_UART | Connector_PinSocket_1.27mm:PinSocket_1x03_P1.27mm_Vertical | J9 |
| 1 | Battery_Holder_2x | LTD_Customized:18650_Battery_Holder_2x | H1 |
| 1 | Boot0_Jumper | Connector_PinHeader_1.27mm:PinHeader_1x02_P1.27mm_Vertical | J2 |
| 1 | CAT24C128 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | Display_Connector | Connector_PinSocket_1.27mm:PinSocket_1x04_P1.27mm_Vertical | J4 |
| 1 | GPIO_Out | Connector_PinSocket_1.27mm:PinSocket_1x06_P1.27mm_Vertical | J7 |
| 1 | INA226 | Package_SO:VSSOP-10_3x3mm_P0.5mm | U5 |
| 1 | LM3671MF-3.3 | Package_TO_SOT_SMD:TSOT-23-5 | U4 |
| 1 | LOGO | LTD_Customized:Cat-Logo | G*** |
| 1 | Left_Conn | Connector_PinHeader_1.27mm:PinHeader_1x22_P1.27mm_Vertical | J12 |
| 1 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | M_ADC | LTD_Customized:test_pad | T1 |
| 1 | Micro_SD_Card | LTD_Customized:TF_Card_Socket | J3 |
| 1 | PWR_SELECT | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | R100 | Resistor_SMD:R_1206_3216Metric | R12 |
| 1 | Right_Conn | Connector_PinHeader_1.27mm:PinHeader_1x22_P1.27mm_Vertical | J13 |
| 1 | SIM_Card | LTD_Customized:Nano Sim Socket 1.1H, 6P | J1 |
| 1 | SMF05C | LTD_Customized:SMF05C | U1 |
| 1 | STM32F103RETx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U2 |
| 1 | SWD_Conn | Connector_PinSocket_1.27mm:PinSocket_1x06_P1.27mm_Vertical | J6 |
| 1 | SW_1 | Button_Switch_SMD:SW_SPST_FSMSM | SW2 |
| 1 | SW_2 | Button_Switch_SMD:SW_SPST_FSMSM | SW3 |
| 1 | SW_RST | Button_Switch_SMD:SW_SPST_FSMSM | SW1 |
| 1 | Si7021-A20 | Package_DFN_QFN:DFN-6-1EP_3x3mm_P1mm_EP1.5x2.4mm | U6 |
| 1 | TXB0108DQSR | Package_SON:USON-20_2x4mm_P0.4mm | U7 |
Questions
How big is the Node base PCB?
It measures 78 × 40 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Node base use?
73 parts, built around the LM3671MF-3.3, SI7021-A20-GM, CAT24C128LI- and SMF05C. 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 Node base KiCad files?
From the LanternD/NB-Scope repository on GitHub, at the commit this page was made from: the board is Hardware/Node Mainboard/Node Base Ver 3.0/node_base.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Node base design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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