Expandable DIN module	Wifi DIN module
CPU / MEM	ESP32 / 4MB	ESP32 / 4MB
Ethernet
Passive POE
WiFi 2.5G
RS485	1)	1)
USB-C	2)	2)
Power connector	DC jack 5,5/2.1 mm	2 pin terminal
GPIO connector	11 GPIO
Ready expansion modules
Open design for creating your own expansion modules	KiCad
DS18B20 thermistor connector	2x	1x
LED indicator	4x	5x
Internal tube fuse
Firmware	Arduino	ESPhome
Product page	Wiki page	Wiki page
BUY	PayPal	PayPal

1) Shared with a USB port with automatic switching - unplugging in the USB port switches to RS485
2) The USB-C port is only active when a device is connected and serves as a serial console or for firmware updates.