Using nRF8001 and Arduino to create a BLE IoT device that puts out temperature and battery levels.
Hacking a cheap toy and using a MOSFET and a reed switch to create a silly birthday greeting box.
A Temperature/Altitude/Pressure display using the BMP180 sensor, an Arduino Pro Mini clone, and a Nokia 5110 LCD module.
A Python script to communicate with the Spark Core using their cloud API, which lists registered Cores as well as implements a Server Sent Events (SSE) notif...
An Internet of Things (IoT) device that plots temperature data on thingspeak.com using an ESP8266 WiFi module, an Ardunino Pro Mini clone, and an LM35 sensor..