Key Features

Dual-Band Wireless: Adds support for both 2.4 GHz and 5 GHz Wi-Fi 6 networks.

Bluetooth 5.0 LE: Ensures energy-efficient wireless communication with external peripherals.

Form-Factor Matching: Plugs directly into the Cardputer expansion slot without adding unnecessary bulk.

Open Source Firmware: Compatible with standard ESP-IDF and Arduino IDE libraries for quick deployment.

Technical Specifications

Chipset: Espressif Systems ESP32-C5 RISC-V processor.

Wi-Fi Standards: IEEE 802.11ax (Wi-Fi 6) and 802.11b/g/n backward compatibility.

Interface: Standard pin headers matching the Cardputer expansion bus.

Antenna: External U.FL connector.

What is Included

1x ESP32-C5 Dual-Band Expansion Board

1x U.FL dual band WiFi antenna

How to test when it arrives

1. Plug in the device to your Cardputer
2. Power on the Cardputer
3. Scan for WiFi access points with your phone or computer
4. If you see "IT WORKED", then the board is functioning properly!

How to flash

1. Go to my github and download the .merged.bin
2. Upload the .merged.bin to your Cardputer's SD card
3. Use the M5-Launcher to flash the .merged.bin from the SD card to the Cardputer
4. Create the program you want the ESP32-C5 to execute and compile/export it in the .bin format
5. Upload your program's .bin file onto the SD Card for the Cardputer
6. You will now see the ESP32-C5 Launcher app when you power on your Cardputer. Press 1 to select the .bin file you want to flash to the ESP32-C5 (from your SD card)
7. Press 2 to flash the ESP32-C5
8. Wait for the flash to complete and you now have your program running on the ESP32-C5 add-on!

US Shipping only