2 layers100 × 100 mm
4 layers71.6 × 50 mm
Wificar
ah-coded/EDES301EDES 301 Repository for EDES301 course work
- Size
- 71.6 × 50 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 49
- Pads
- 95
- Tracks, vias
- 58, 0
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 2 Feb 2026
- Updated
- 2 May 2026
Overview
Wificar is an open-source printed circuit board by ah-coded, from the ah-coded/EDES301 repository on GitHub. It is a 4-layer board of 71.6 × 50 mm with 15 parts on 49 nets, routed with 58 tracks and 0 vias.
It is built around the ESP32-WROOM-32U, L298N and LM2596S-5.0. It belongs with the ESP32 boards of this library.
Main components
3
ESP32-WROOM-32U
SMD,19.2x18mm-40℃~+85℃ -97dBm 2.4GHz 20.5dBm 3V~3.6V Bluetooth4.2 ESP32-DOWD UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC、CAN SMD,19.2x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
L298N
Multiwatt-15-25℃~+130℃ 2 2A 4.5V~7V Bipolar Driver Overcurrent Protection、Over temperature protection Yes Multiwatt-15 Stepper Motor Driver ROHSHGSEMIStepper Motor Driver
LM2596S-5.0
TO-263-5-40℃~+125℃@(TJ) 1 150kHz 3A 4.5V~40V 5V 5mA Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
README
README.mdEDES 301
Repository for EDES301 course workProject_01 Contains code to run the wificar, including the code for both the Laptop side and Pocketbeagle side. NOTE! Ensure to input your own hotspot IP address before attempting to test.
Project_02 Contains files to generate a ESP32 version of the project, with a custom footprint for the ESP32.
Link to Hackster page: https://www.hackster.io/ah275/wrc-wifi-rally-car-f0a445
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | ~ | combo_lock:MOUNTING_HOLE | M1, M2, M3, M4 |
| 4 | ~ | TestPoint:TestPoint_Loop_D3.80mm_Drill2.8mm | Battery_-1, Battery_+1, MotorN1, MotorP1 |
| 2 | ~ | TestPoint:TestPoint_Loop_D3.80mm_Drill2.5mm | Camera_-1, Camera_+1 |
| 1 | ESP32-WROOM-32U | RF_Module:ESP32-WROOM-32U | ESP1 |
| 1 | L298N | Package_TO_SOT_THT:TO-220-15_P2.54x5.08mm_StaggerOdd_Lead4.58mm_Vertical | MotorDriver1 |
| 1 | LM2596S-5 | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | DC-DC_Converter1 |
| 1 | Motor_Servo | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | Servo1 |
| 1 | ~ | combo_lock:R0805 | R1 |
Questions
How big is the Wificar PCB?
It measures 71.6 × 50 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Wificar use?
15 parts, built around the ESP32-WROOM-32U, L298N and LM2596S-5.0. 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 Wificar KiCad files?
From the ah-coded/EDES301 repository on GitHub, at the commit this page was made from: the board is project_02/wificar.kicad_pcb and its schematic project_02/wificar.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Wificar design in my own project?
Its repository states no licence, so its author keeps all rights: ask ah-coded before reusing the design.
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