Expansion board | UART,USB | 3G | IoT | SIM,U.FL,USB B mini | 27x45mm
Expansion board | RGB | 3.3VDC | APA102 | SPI | pin header | 61.5x27mm
Expansion board | Comp: Hailo 8L accelerator | 56.7x65.1x5.5mm
Expansion board | Bluetooth | I2C,SPI,USB-UART | BM70BLES1FC2
Expansion board | UART,USB | LTE Cat 4 | IoT | SIM,U.FL,USB B mini
Expansion board | Comp: Hailo 8 accelerator | 56.7x65.1x5.5mm


