PiCM4

Ethernet, WiFi, Bluetooth
1 x RS232/422/485
1 x RS232/485
GPIO, HDMI, I2C, SD, USB, RTC, Buzzer
M.2 (B or M Key)
Mini-PCIe (USB2.0)
1 x Digital input
1 x Digital output

(और ज्यादा…)