Kristian Lauszus writes, “In this blog post I will describe a IoT (Internet of Things) Vending Machine that I built quite some time ago with a friend of mine Sigurd Jervelund Hansen. At Sigurd’s dorm room they got hold of an old vending machine free of charge, as it did not work. We quickly decided that […]
Tag Archives: IoT
Introducing ESPToy 1.2 (with Lua Firmware)
Ray Wang from RaysHobby has written an article on his ESPToy 1.2, a ESP8266 development board based on the Lua firmware: A little while back I released the very first version of ESPToy — a ESP8266 Development Board with a few useful on-board components like color LED, button, and temperature sensor. It has a built-in […]
Arduino compatible LightBlue Bean adds Node-RED support
First impression on HLK-RM04 serial-to-wifi module
Ray Wang wrote a blog post review of the Hi-Link HLK-RM04 Serial-to-WiFi module: It’s a pretty easy-to-use and low-cost solution to add WiFi capability to Arduino or similar microcontroller boards. Basically it allows you to receive/send Ethernet buffers through serial RX/TX pins. Programming wise, it’s similar to using the standard Arduino Ethernet shield. The module can […]