Since I had a spare ESP32 lying around, I tried building a smart dashboard that pulls metrics from the other smart devices in ...

The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close proximity sensor. As you can ...

Connect the PIR sensor's VCC (or +) pin to the Arduino's 5V output. Connect the GND (-) pin of ... IOT based Security System with Voice Message Using ESP8266 This blog introduces an IoT-based security ...

Open AirGradient is a DIY air quality monitor based on the Wemos D1 mini ESP8266 WiFi IoT board programmed with Arduino and fitted with a range of sensors including an optional Sensirion SGP41 TVOC ...

It consists of firmware that runs at the ESP8266 Wi-Fi, and hardware that’s primarily ... The robotic unit contains a 12V battery, colour sensor, Arduino Uno, four motors and motor drivers. At first ...

ESP8266 is a wifi module used to upload sensors data over to web server. We will discuss its pinout & and will upload data to server. I have recently worked on this giant module ESP8266 which is ...

The Arduino is nothing like a computer ... as well as a temperature sensor and hall effect sensor, while the ESP8266 does not have any built-in sensors The pricing for ESP8266 and ESP32 boards & ...

In this article, humidity and temperature information from DHT-11 sensor is analysed graphically on ThingSpeak platform using Arduino MCU and ESP8266 Wi-Fi module. Block diagram of the whole setup is ...