Gateway ESPNOW to MQTT over WiFi
A Gateway that allows you to receive signals sent with ESPNOW and forward them as MQTT messages.
NodeMCU and Wemos D1 Mini
Radio communication for ESP8266 and ESP32 with ESPNOW
ESP-NOW is a "new" radio communications protocol supported by the ESP8266 and ESP32, developed by Espressif, its manufacturer, which allows very fast data transmissions (and when I say very fast, I mean very fast). Its main objective is to replace Wifi to allow much lower power consumption and thus greater autonomy ... Read more
Experiments with ESPEasy (ESP8266) and low power - v3.0
Getting a low power consumption of our ESP8266 to use it on battery is the goal we want to achieve, and in this article we are going to continue the experiments.
Experiments with ESPEasy (ESP8266) and low power - v2.0
Getting a low power consumption of our ESP8266 to use it on battery is the goal we want to achieve, and in this article we are going to continue the experiments.
ESPEasy and deep sleep mode (ESP8266 low power consumption)
Learn how to reduce consumption by mastering ESPEasy's deep sleep mode.
Experiments with ESPEasy (ESP8266) and low power - v1.0
Do you want to reduce the power consumption of your project with ESPEasy and an ESP8266 easily so that you can run it on batteries for months? Read on. In this series of articles, of which this is the first one, I will be telling you about the progress I am making and how you can also make them and apply them in your project.... Read more
Using a ModeMCU as a voltmeter
Measuring volts with an ESP8266 Don't have a multimeter? No problem! Did you know that you can use your NodeMCU (or any ESP8266) as if it were a voltmeter? Sometimes a voltmeter is almost essential to be able to solve any problem that may arise when working with microcontrollers, or with any electronic circuit in general. In this article we are going to ... Read more
Colour touch screen for CO₂ meter Wow!
Add a beautiful touch screen to your eMariete Home CO2 Meter to take your project to the next level! Get an easy-to-configure Nextion smart display with graphics, buttons and an integrated microprocessor. Design your own interface without a lot of technical knowledge - show off what you've created and amaze your friends and family!
Active or passive buzzer for Arduino, ESP8266, NodeMCU, ESP32, etc.
Everything you need to know about connecting a buzzer to a NodeMCU, ESP8266 or Arduino