Adafruit FONA 808 Shield - Mini Cellular GSM + GPS for Arduino Cellular + GPS tracking, all in one, for your Arduino? Oh yes!
ITEAD Arduino IR Shield With Micro SD Slot Xbee Interface For Home Development With this IR shield, you can intelligentize your home by making a DIY monitor for indoor temperature and humidity or a controller for IR home appliances such as air-condition and television.
Speech Synthesis Shield for ArduinoEver want your robot could speak up and report what's going on? Or have your plants say if it feels thirsty? The Speech Synthesis Shield for Arduino makes it an easy way to give voice to your robots and projects.
Bees ShieldHave you ever been in a situation where you need two communication methods for your project? How about when a serial port is occupied by another serial device, and you still need to setup wireless communication?
NFC / RFID Shield Based on the NXP PN532 chipset - which is the most popular NFC ship on the market, this Arduino shield is powerful and you can use it to do a lot of things such as read and write to tags and cards, communicate with phones, or act like a NFC tag.
RS232/485 Shield For Arduino It is both a RS232 shield and also a RS485 Shield for Arduino.
SparkFun WiFi Shield - ESP8266 The SparkFun ESP8266 WiFi Shield is an Arduino compatible shield for the ESP8266 WiFi SoC – a leading platform for Internet of Things (IoT) or WiFi-related projects.
IoTgo Shield With an on-board AC-DC module, Arduino IoTgo shield can transfer AC 85~260V to DC 5V, so it can be the power supply to arduino.
GPRS Shield V3.0 The difference between this version and the previous version is, changing the arduino socket to the latest Arduino Uno standard. Except this, all the features are same with the previous version.
GPS/GPRS/GSM Shield V3.0This is a GPS/GPRS/GSM shield from DFRobot. This shield with a Quad-band GSM/GPRS engine works on frequencies EGSM 900MHz/DCS 1800MHz and GSM850 MHz/PCS 1900MHz. It also supports GPS technology for satellite navigation. It's possible for your robot and control system to send messages and use the GSM network.
Arduino Ethernet Shield 2 without POEThe Arduino Ethernet Shield 2 connects your Arduino to the internet in mere minutes. Just plug this module onto your Arduino Board, connect it to your network with an RJ45 cable (not included) and follow a few simple steps to start controlling your world through the internet.
Arduino Ethernet Shield 2 with POEThe Arduino Ethernet Shield 2 connects your Arduino to the internet in mere minutes. Just plug this module onto your Arduino Board, connect it to your network with an RJ45 cable (not included) and follow a few simple steps to start controlling your world through the internet.