Supported:

-LED
-Speaker
-Serial Port
-TM1637 7 segment display
-SSD1306, SSH1106 OLED display
-HD44780 LCD display
-WS2812 LED strip
-Rotary Encoder
-Potentiometer
-DS18xXX temperature, sensor
-DHT11 / DHT22 temperature, humidity sensor
-DS3231, DS1302, DS1307 RTC clock
-IR receiver
-MFRC522 NFC reader
-RDM6300 RFID reader
-125kHz RFID TAG emulator
-INMP441 digital microphone
-PCF8574 I/O extender
-AC dimmer
-APDS9960 gesture / proximity / light / color sensor

Coming Soon:

-LoRa radio
-IR transmitter
-SIM800L GSM module