Development DIN module	Wifi DIN module
Ethernet
WiFi 2.5G
RS485	1)	1)
USB-C	2)	2)
Power connector	DC jack 5/2.1 mm	2 pin terminal block
GPIO connector	10
DS18B20 thermistor connector	2x	1x
Firmware	Arduino	ESPhome
BUY	PayPal	PayPal

1) Shared with a USB port with automatic switching - plugging in the USB port switches to USB
2) The USB-C port is only active when a device is connected and serves as a serial console or for firmware updates.