- DS18B20 Programmable Resolution 1-Wire Digital Thermometer.
- AT24CXX Serial EEPROM.
- DS1307 Realtime clock with RAM.
- PCF8591 2-Wire 8-bit A/D and D/A converter.
- ADXL345 Digital Accelerometer.
- nRF24L01 Single Chip 2.4GHz Transceiver.
- DHT11 Humidity & Temperature Sensor.
- HC-SR04/US-020 Ultrasonic range module.
- ST7735, 262K Color Single-Chip TFT Controller.
- PCD8544 48x84 pixels matrix LCD controller/driver.
- TSOP4838 IR Receiver Modules for Remote Control Systems.
- Virtual Wire (VWI) on RF315/433 modules.
- HMC5883L 3-Axis Digital Compass IC.
- NEXA/HomeEasy Wireless Remote command transmitter/receiver for RF433.
- ST7565, 65x132 Dot Matrix LCD Controller/Driver.
- Touch capacitive sensor, debounced button and keypad.
- Dials with Rotary Encoder.
- HD44780 (aka 1602, 2004) LCD Controller/Driver.
- DS3231, Extremely Accurate I2C-Integrated RTC/TCXO/Crystal.
- PCF8574/PCF8574A Remote 8-bit I/O expander for I2C-bus with interrupt.
- BMP085 Digital Pressure Sensor.
- TI CC1101 Low-Power Sub-1 GHz RF Transceiver.
- L3G4200D Digital Gryposcope.
- MPU6050 Motion Processing Unit; Digital thermometer, accelerometer and gyroscope.
- DS1302 Tickle-Charge Timekeeping Chip.
- SD card, SPI driver.
- RS485 support; master-slave protocol.
- RFM69W/HW ISM Transceiver Module.
- W5100 Ethernet Controller device driver.
- Slave device support for SPI, TWI and OWI.