DFRobot Edge101
MCU / flash: ESP32-WROOM-32E (Xtensa LX6 dual-core, 240 MHz), 16 MB flash, 520 KB SRAM, no PSRAM.
The DFRobot Edge101 is a rugged board, with the following features.
- Isolated CAN
- Isolated RS485
- Ethernet (Will become compatible in later BE releases)
- External Wifi antenna
- PCIe expansion slot with UART
- Case with DIN Rail mount (that fits perfectly inside of a Fronius Verto)
- External IO header (where you could attach an external MCP2518FD - not supported yet)
- SD Card slot
- 16MB Flash
| GPIO | Function |
|---|---|
| 5 | SD card CS |
| 12 | SD card MOSI |
| 14 | SD card SCLK |
| 15 | User LED |
| 16 | RS485 direction control (TPT75176H DE and /RE tied together) |
| 17 | RS485 TX |
| 32 | Native CAN TX (isolated TJA1050) |
| 35 | Native CAN RX (isolated TJA1050) |
| 36 | RS485 RX |
| 38 | User button — long-press options available (input-only pin, external pull-up on the board, no resistors needed) |
| 39 | SD card MISO |
NOTE
This board defines no contactor, precharge, BMS Power, Equipment stop or wake-up pins yet.
Purchase link~
The hardware can be bought via sites like AliExpress, the official store and various distributors
See also~
- BOOT button for special features to enable AP, wipe wifi settings or factory reset the device
- CAN add-on MCP2518FD for an additional CAN interface
CAUTION
Working with high voltage is dangerous. Always follow local laws and regulations regarding high voltage work. If you are unsure about the rules in your country, consult a licensed electrician for more information.