Arduino and compatible boards and chips. Some also support MicroPython, CircuitPython, Lua, and other.

For details on programming Arduino compatible boards, see Arduino Programming.

• Adafruit Products
  • NeoTrellis M4
  • PyPortal
  • Adafruit CLUE
• Arduino Genuino
  • Arduino Duemilanove
  • Arduino Decimillia
  • Arduino UNO
  • Arduino Mega
  • Arduino Nano
• Arduino clones
  • Seeeduino Nano
• ESP
  • ESP8266 ESP-01
  • ESP-32
• Teensy
  • Teensy 3.2
  • Teensy 4.0
• ATTiny85
• SAMD51

See the dedicated page, Raspberry Pi.

Links:

• 4G GSM modem for Raspberry Pi on Amazon - Waveshare SIM7600A-H 4G HAT
• SIM7600A-H 4G Hat - Official Waveshare wiki page for modem
• Waveshare product video

Notes:

• Breakout UART control pins, to connect with host boards like /STM32
• Supports dial-up, telephone call, SMS, MMS, mail, TCP, UDP, DTMF, HTTP, FTP, etc. Supports GPS, BeiDou, Glonass, LBS base station positioning. Supports SIM application toolkit: SAT Class 3, USAT.
• Onboard USB interface, to test AT Commands, get GPS positioning data, and so on.
• Onboard CP2102 USB to UART converter, for serial debugging. Onboard audio jack and audio decoder for making telephone call.
• 2x LED indicators, easy to monitor the working status. SIM card slot, supports 1.8V/3V SIM card.
• Onboard voltage translator, operating voltage can be configured to 3.3V or 5V via jumper.
• Baudrate: 300bps ~ 4Mbps (default: 115200bps). Autobauding baudrate: 9600bps ~ 115200bps.
• Control via AT commands (3GPP TS 27.007, 27.005, and V.25TER command set)
• Comes with development resources and manual (examples for Raspberry Pi/ /STM32)

• Cosmo Communicator - A cool PDA/phone/camera. Currently supporting Android OS with planned support for Sailfish, Linux Debian and Linux Kali.
• Purism Librem 5 - “A Security and Privacy Focused Phone” running PureOS based on Debian.
• Nexus 5X - Can run LineageOS, /e/ OS, MaruOS.
• Nokia N900 - Can run postmarketOS based on Alpine Linux
• PinePhone - “An Open Source Smart Phone Supported by All Major Linux Phone Projects”

• 32-bit
• Requires non-free package `firmware-iwlwifi` in Debian for WiFi to work.

• 64-bit
• Requires non-free package `firmware-iwlwifi` in Debian for WiFi to work.

See the dedicated page, Synology DS418.