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The CAN32 development board is designed to allow easy projects and testing of the ESP32 in a CAN-Bus environment. This board has many features that will get you started without the need for external …
Read More…The CAN32 development board is designed to allow easy projects and testing of the ESP32 in a CAN-Bus environment. This board has many features that will get you started without the need for external breakouts.
NEW GPS Motion and OLED expansion snap-on boards are now available.
Features:
New on V2:
New on V2.1:
One of the main requirements for this dev board was a high-quality PCB (gold coated pads) and brand-name parts. Broken-out pins can be used for adding various other modules and sensors. The automotive synchronous step down DC-DC converter is able to provide 500mA @3.3V (roughly 200mA for external devices). An ESP32u with U.Fl connector allows you to connect U.Fl WiFi antennas or a U.Fl to RP-SMA-F for larger duck antennas.
All components are genuine brand-name, high quality, high-temp parts that meet or exceed recommended electrical requirements.
GPIOs/power broken out:
Four larger vias allow connection of CAN H and L, 12V (max. 16V), GND. The board can be powered via USB or vehicle battery 12V (max. 16V), but 12V is not required if powered via USB.
On-board LED to signal power (green), two user programmable cyan PWM LEDs on GPIO 13/15. LED colours may differ depending on supply.
Recommended library: https://github.com/miwagner/ESP32-Arduino-CAN Each board is tested and an blink example sketch is pre-programmed.
Note V2 board: SD Card must be ejected while programming. SD Card CS pin is GPIO2; SD.begin(2) SD Card MISO = GPIO19, MOSI = GPIO23
Note V1 board (legacy): Pull CAN RS (pin 25 / GPIO16) LOW to enable high-speed CAN. HIGH = CAN sleep mode. SD Card CS pin is 27 (GPIO17). Set this in the SDFat library variables.
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