2 layers60.1 × 9.5 mm
4 layers99.8 × 19.6 mm
KIA OBD2-DISPLAY
dragonnn/obd21- Size
- 99.8 × 19.6 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 81
- Nets
- 102
- Pads
- 330
- Tracks, vias
- 829, 151
- Pours
- 43
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 15 Oct 2024
- Updated
- 16 Oct 2026
Overview
KIA OBD2-DISPLAY is an open-source printed circuit board by dragonnn, from the dragonnn/obd2 repository on GitHub, published under the MIT licence. It is a 4-layer board of 99.8 × 19.6 mm with 81 parts on 102 nets, routed with 829 tracks and 151 vias.
It is built around the ESP32-C6-MINI-1U-H4, CAP1188-1-CP-TR and TJA1050, with the 1N5819HW-7-F-01 and BC817 among its other parts. Its parts include 19 resistors, 17 capacitors, 17 connectors, 14 diodes and 9 ICs. It belongs with the lEDs and displays boards and the ESP32 and RISC-V boards of this library.
Main components
5
ESP32-C6-MINI-1U-H4
SMD,13.2x12.5mm-105.5dBm -40℃~+105℃ 2.4GHz 20.5dBm 382mA 3V~3.6V 73mA ESP32-C6FH4 Integrated Bluetooth function、Integrated Zigbee function、Support USB interface UART、SDIO、SPI、I2C、GPIO、USB SMD,13.2x12.5mm WiFi Modules ROHSEspressif SystemsWiFi Modules
CAP1188-1-CP-TR
QFN-24-EP(4x4)-40℃~+125℃ 3V~3.6V 50uA 600uA 8 8kV Capacitive Touch、自动灵敏度校准、接近检测、集成LED驱动器 QFN-24-EP(4x4) Touch Sensors ROHSMicrochip TechnologyTouch Sensors
TJA1050
SOIC-8SOIC-8 New Arrivals ROHSPhilips SemiconsUncategorised
1N5819HW-7-F-01
SOD-123Schottky DiodesDiodes Incorporated
BC817
SOT-231 NPN 100nA 150MHz 300mW 40 45V 500mA 5V 700mV NPN SOT-23 Bipolar (BJT) ROHSShikuesBipolar (BJT)
Parts
81| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 65R | Resistor_SMD:R_0805_2012Metric | R3, R4, R5, R6, R7, R8, R9, R10, R18 |
| 9 | LED | LED_0602:LED_QBLP617-IW | D1, D2, D3, D4, D5, D6, D7, D8, D14 |
| 8 | Conn_01x01 | TestPoint:TestPoint_Pad_1.0x1.0mm | J2, J3, J4, J5, J6, J7, J8, J9 |
| 7 | 100nF | Capacitor_SMD:C_0603_1608Metric | C5, C6, C7, C8, C9, C10, C11 |
| 7 | Conn_01x01 | TestPoint:TestPoint_THTPad_1.0x1.0mm_Drill0.5mm | J12, J13, J14, J15, J16, J17, J18 |
| 4 | 10uF | Capacitor_SMD:C_0805_2012Metric | C12, C13, C14, C17 |
| 4 | 22pF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4 |
| 2 | 100uF | Capacitor_SMD:C_1206_3216Metric | C15, C16 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R11, R19 |
| 2 | 120R | Resistor_SMD:R_0805_2012Metric | R14, R15 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R16, R17 |
| 2 | Crystal_GND24_Small | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1, Y4 |
| 2 | MCP2515-xST | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U10, U11 |
| 2 | R | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | SD05_SOD323 | Diode_SMD:D_SOD-523 | D11, D12 |
| 2 | TJA1050 | TJA1050:SOT96-1 | U6, U7 |
| 2 | ~ | SH1122:SH1122 | U1, U2 |
| 1 | 1N5819HW-7-F | Diode_SMD:D_SOD-123 | D10 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R13 |
| 1 | 4.7k | Resistor_SMD:R_0805_2012Metric | R12 |
| 1 | BC817 | Package_TO_SOT_SMD:SOT-323_SC-70 | Q1 |
| 1 | CAP1188-1-CP-TR | CAP1188:QFN50P400X400X90-25N | U4 |
| 1 | D | Diode_SMD:D_0805_2012Metric | D9 |
| 1 | ESP32-C6-MINI-1/U | PCM_Espressif:ESP32-C6-MINI-1 | U9 |
| 1 | Fuse_Small | Fuse:Fuseholder_Littelfuse_Nano2_154x | F1 |
| 1 | MEM2085-00-115-00-A_REV0.2 | MEM2085:GCT_MEM2085-00-115-00-A_REV0.2 | J11 |
| 1 | STS521050B331-EA | Diode_SMD:D_SOD-523 | D13 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_GCT_USB4085 | J10 |
| 1 | VREF 3.3V | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | ~ | D24V10F3:D24V10F3 | U8 |
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Questions
How big is the KIA OBD2-DISPLAY PCB?
It measures 99.8 × 19.6 mm and has 4 copper layers, 1.6 mm thick.
What parts does the KIA OBD2-DISPLAY use?
81 parts, built around the ESP32-C6-MINI-1U-H4, CAP1188-1-CP-TR, TJA1050 and 1N5819HW-7-F-01. 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 KIA OBD2-DISPLAY KiCad files?
From the dragonnn/obd2 repository on GitHub, at the commit this page was made from: the board is pcb/KIA-OBD2-DISPLAY/KIA-OBD2-DISPLAY.kicad_pcb and its schematic pcb/KIA-OBD2-DISPLAY/KIA-OBD2-DISPLAY.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the KIA OBD2-DISPLAY 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).