| ABB PowerOne Aurora inverter communication protocol | ABB PowerOne Aurora inverter communication protocol for Arduino, esp8266 and esp32 (Library). |
| DHT12 sensor library | DHT12 Temp & Humidity Sensors, library for Arduino, ESP8266 and ESP32 |
| EByte LoRa E22 library | LoRa EBYTE E22 device library complete and tested with Arduino, Arduino SAMD (Nano 33 IoT and MKR), esp8266, esp32 and STM32. sx1262/sx1268 |
| EByte LoRa E220 library | LoRa EBYTE E220 device library complete and tested with Arduino, esp8266, esp32, STM32 and Raspberry Pi Pico. LLCC68 |
| EByte LoRa E32 library | LoRa EBYTE E32 device library complete and tested with Arduino, Arduino SAMD, esp8266, esp32 and STM32. sx1278/sx1276. |
| EMailSender | Send EMail via SMTP, library for Raspberry Pi Pico W, Arduino, SAMD (WiFiNINA), STM32, esp8266 and esp32. |
| PCF8574 library | Most starred PCF8574 library for Arduino (standard and SAMD), ESP8266, smt32 and esp32 |
| PCF8575 library | PCF8575, library for Arduino, ESP8266, smt32 and esp32 |
| PCF8591 library | PCF8591, library for Arduino, ESP8266 and esp32 |
| SimpleFTPServer | Simple FTP server for esp8266, esp32, STM32, Raspberry Pi Pico and Arduino |