2 layers51.8 × 41.7 mm
PayloadPrototypeBoard
Case-Rocket-Team/PayloadPrototypeBoard2021
Prototype Payload Board for the 2021 ESRA Payload using Parafoil Guidance. KiCad Project
84 parts2
4 layers95.3 × 47 mm
SLKCAN
czmorris/SLKCAN2SLKCAN (Slick CAN) PCB.
- Size
- 95.3 × 47 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 46
- Nets
- 76
- Pads
- 194
- Tracks, vias
- 439, 53
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 24 Mar 2021
- Updated
- 15 Jun 2021
Overview
SLKCAN is an open-source printed circuit board by czmorris, from the czmorris/SLKCAN repository on GitHub, published under the MIT licence. It is a 4-layer board of 95.3 × 47 mm with 46 parts on 76 nets, routed with 439 tracks and 53 vias.
It is built around the ESP32-WROOM-32, MCP2551-I/SN-HG and TF-15X15, with the AMS1117-3.3, LD1085V50 and TXS0104EPWR-TP among its other parts. Its parts include 16 capacitors, 6 resistors, 6 ICs, 4 connectors and 4 inductors. It belongs with the ESP32 boards of this library.
Main components
6
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
MCP2551-I/SN-HG
SOP-8SOP-8 CAN Transceivers ROHSHGSEMICAN Transceivers
TF-15X15
SMD-25℃~+85℃ 2mm Connector and Ejector MicroSD Card (TF Card) Push-Push Yes SMD SD Card / Memory Card Connector ROHSSOFNGSD Card / Memory Card Connector
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
LD1085V50
TO-220-40℃~+125℃@(Tj) 0.003%Vout 1 1.5V@(3A) 30V 3A 5V 5mA 72dB@(120Hz) Fixed Over Temperature Protection Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
TXS0104EPWR-TP
TSSOP-14Level translator TSSOP-14 Translators, Level Shifters ROHSTECH PUBLICTranslators, Level Shifters
README
README.mdSLKCAN
SLKCAN (Slick CAN) PCB.
This board was created as project to connect to the CANBus on a City Slicker electric motorcycle (Though it may work with other canbus devices).
Goal:
- Programmable via the Arduino IDE (Uses an ESP32). This allows anyone who uses it to customize it to their own needs.
- Connect to the CANBus on the motorcycle. (Uses MCP2551 and MCP2515, Noise management was also required)
- Provide a means to get 3.3 and 5v power from the 12v supply on the bikes data port.
- Provide a means to get this information out via serial. Or to be reprogrammed via serial. Pin header provided.
- Provide a header with some additional GPIO.
note: I use an FTDI cable for programming and getting serial terminal information. I have also tested with cheaper USB TTL modules with no issues. Other adapters may work as well.
At this time this device does not promise to be foolproof. Connect this to your bike at your own risk.
Parts
46| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C6, C9, C10, C11, C12, C13, C16 |
| 4 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1, C3, C4, C5 |
| 4 | 15uH | SWPA5020S105MT:SUNLORD_SWPA5020S_CZM | L1, L2, L3, L4 |
| 3 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3 |
| 2 | 150pF | Capacitor_SMD:C_0805_2012Metric | C14, C15 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric | C7, C8 |
| 2 | 60 | Resistor_SMD:R_0805_2012Metric | R4, R5 |
| 2 | Jumper_NO_Small | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2, JP3 |
| 1 | 1N5817 | Diode_SMD:D_SOD-123 | D1 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 3.3v Supply TP | TestPoint:TestPoint_Pad_D1.0mm | TP5 |
| 1 | 300mA | Fuse:Fuse_0603_1608Metric | F1 |
| 1 | 5v Supply TP | TestPoint:TestPoint_Pad_D1.0mm | TP6 |
| 1 | 8Mhz | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | AUX | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical | J4 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32 | U3 |
| 1 | FTDI | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | FTDI VDD DISCON | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | LD1085V50 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U2 |
| 1 | LED | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | MCP2515-xSO | Package_SO:SOIC-18W_7.5x11.6mm_P1.27mm | U4 |
| 1 | MCP2551-I-SN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | POWER & CAN | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J2 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | SW1 |
| 1 | TF-15X15 | TF-15X15:TF15X15 | J3 |
| 1 | TXS0104EPWR | LSF0204PWR:SOP65P640X120-14N | U6 |
Questions
How big is the SLKCAN PCB?
It measures 95.3 × 47 mm and has 4 copper layers, 1.6 mm thick.
What parts does the SLKCAN use?
46 parts, built around the ESP32-WROOM-32, MCP2551-I/SN-HG, TF-15X15 and AMS1117-3.3. 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 SLKCAN KiCad files?
From the czmorris/SLKCAN repository on GitHub, at the commit this page was made from: the board is SLKCAN/KiCad/SLKCAN.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SLKCAN 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).
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