A simple audio visualizer that maps the audio signals from ADC to LED strip. The number of lit LEDs is based on the amplitude of the audio signal, with a brighter peak indicator on the highest ...

Simple NodeMCU ESP8266 Dogecoin crypto ... with some hot glue. 5mm RGB LED diode in rocket slides up through hole and fits in place. I soldered and heat-shrunk the wires then secured at base of shaft ...

To demonstrate how it all works, the authors built a simple lift door controller. Most Elektor readers are probably already familiar with the Espressif NodeMCU module and the Arduino ... circuit. A ...

Some days a 15-minute workout is all you have time for – and thats OK. As all experts will tell you – including GP, sports medicine graduate and fitness instructor Folusha Oluwajana – any ...

Figure 2: structure of an IEEE802.3 frame SmartConfig feature is fully integrated and supported by the ESP8266 WiFi library used to develop the sketch through Arduino IDE. API interface is quite ...

This article describes a method for making an ESP8266-12E/F module ... To test ESP-12E/F board, a simple LED blinking application is presented in this article. The software code (NewBlink.ino) is ...

Today we will use Google Firebase cloud to control an LED using NodeMCU ... This can be done in few simple components and simple steps. If you don’t have NodeMCU ESP8266(12E) then you can also use ...

I’ve always appreciated simulation tools. Sure, there’s no substitute for actually building a circuit but it sure is handy if you can fix a lot of easy problems before you start soldering and ...