A simple add-on for mobile phones to enable SMS-like messaging in a group when outside cell coverage, or in disaster scenarios.
Introducing the next iteration of the Ripple LoRa QWERTY Messenger project, now with ultra low power standby mode!
Introducing the next iteration of the Ripple LoRa QWERTY Messenger project, now with GPS support!
An attendance system using Arduino, MFRC522, and GSM module with a data management GUI created on C#.
Calling my son from his room using 2 ESP8266 modules, instead of shouting.
Make a terminal chat client powered by the same technology as the Facebook Messenger mobile app and display your messages on your Arduino!
The Ripple LoRa mesh family now has a new member: dedicated repeater stations with message store-and-forward.
This project will show you how to set up an Arduino IoT cloud dashboard to send messages to a Liquid Crystal Display (LCD).
A portable device for LONG RANGE Texting in remote locations without requiring a cellular network or Wi-Fi router
Super Secret Messaging with PocketCHIP!
The system includes a ReSpeaker Core v2.0 and speaker. Visitor can talk with it and it will drop a message to the person to be visited.
This is to show how to get messages from a SiPy to your computer via SigFox and Azure IoT Hub.
Leaf nodes can speak over MQTT on Bluemix, this demo uses two phone as HW sensors.. Any no. of devices can be join in w. this pub/sub model
Temperature and humidity sensor DHT11 data displayed on UI and I2C LCD display as well as messaged to Azure IOT Hub.
Using LM35 sensor and Bolt WiFi module, we can build a monitor that sends SMS/email whenever it detects an anomaly.