Send and Receive Text Messages (SMS) with GSM SIM900 Shield from Seeed Studio - Quick and Easy!
A smart application to notify user to turn on the air conditioning when the temperature rises beyond a threshold, using push notifications.
Off-Grid GPS Messaging! Track People, Pets & Things - IP65-rated waterproof case the size of a credit card, no SIM card required!
Here is a list of projects, where you can display messages on LCD, OLED, NeoPixel, Servo motors and more. Wokwi Embedded systems simulators
Make a silent, text messaging doorbell by hacking an Amazon Dash Button!
DIY LoRa rfm95 simple Gateway to send and receive messages on the LoRa network!
This system gives the value of the intensity of light in your room if the value suddenly increases or decreases then it sends you an alert.
Build a compact M5Stack C6L gateway to bridge your Meshtastic LoRa mesh with the Internet using MQTT.
Two Argons use a motion sensor to detect motion, flash a led, and send you a text message thanking you for taking your pills.
Use Arduino + WiFi to trigger WhatsApp alerts through CircuitDigest Cloud in minutes.