Arduino_SomfyRTS Arduino remote for Somfy RTS blinds, with I2C interface. Based on https://www.romainpiquard.fr/article-133-controler-ses-volets-somfy-avec-un-arduino.php With I2C connection on pins A4,A5 (for openHAB control with Arduino_MQTT_I2C) Working with: Arduino Nano v3 (AZDelivery clones didn't work, but this one did) 433.92 MHz RF Transmitter, from Amazon, connected to 5v and pin D5. 433.42 MHz Resonator (to replace resonator on the transmitter) from eBay 433MHz Antenna, from Amazon