Installing the Arduino IDE including ESP8266 support
For the IoT Lab at the Developer UnConference in January in Zurich this is how you should prepare your laptop or Mac: Install the Arduino IDE from https://www.arduino.cc/en/Main/Software. Chose your platform and install: Startup the Arduino IDE. It should look like that: Goto “Preferences”: Fill-in this string into this field: https://github.com/esp8266/Arduino/releases/download/2.4.0-rc2/package_esp8266com_index.json And hit ok. Go […]
Connected Cat Feeder Using a Strain Gauge and an ESP32 (Video #161)
Feeding our beloved animals is a rewarding job. We do not want to forget it. So, let’s build a connected scale, which alarms us when the food bin is empty. Of course, we will be able to use the same principle to measure the weight of any other good like the honey in remote beehives, or […]
Testing Power Supplies with Electronic Loads (video #146)
All our gadgets run with electrical power. And they usually demand constant voltage. We use batteries or some sort of regulated power supplies to deliver this energy. Today, we will look at procedures to test these power sources. We will cover: The basic principle of testing of power sources like poser supplies or batteries The […]
IKEA Trådfri Hack with Gateway (video #145 )
In video #140 we hacked the new IKEA Tradfri Smart lighting system using the remote control as a basis. And, as I said already in video #144: It worked, but had some major disadvantages. Today, we will use an IKEA Gateway and do it right! We will eliminate the problems of the current hack We […]
Simple and cheap way to protect your super caps (video #139 )
In video #133 we used super capacitors to safely shutdown the Rapberry Pi. In the comments, viewers asked about over voltage protection of the super caps. I will show you a big and small and cheap possibility. And I will show you one concept which does not really work. But why do we have to […]