Tag: ESP8266
Build a Wi-Fi Scrolling Text Display with ESP8266 WS2812 LED Matrix and Blynk
Create a stunning Wi-Fi-enabled RGB LED matrix display using an ESP8266 microcontroller and a vibrant 8×64 WS2812 LED panel. This project allows you to display scrolling text messages that can be remotely updated and customized via smartphone using the Blynk app. You can control the text content, choose between manual, random, or dynamic rainbow color […]
Control Gate Lock with Your Fingerprint by Using Arduino and Fingerprint Scanner
Here’s a complete outline and Arduino sketch for controlling a solenoid Gate lock using a fingerprint scanner, displaying status on a 0.91-inch I2C OLED (128×32 or 128×64), and storing/recognizing fingerprints. š§° Required Components š Wiring Diagram (example) Fingerprint Sensor (R307): Sensor Pin Arduino Pin VCC 5V GND GND TX D2 RX D3 Uses SoftwareSerial for […]
Wi-Fi Based Water Tank Monitoring and Control System Using Wemos D1 Mini
In this tutorial we are going to build a water tank level system with automatic water pump on / off feature by using Wemos D1 mini wi-fi webserver to display water tank level on smartphone, using 4 water level sensors, ability to turn on water pump while water level goes low, turn off water pump […]
NodeMCU Control 4 Relays from Smartphone using Blynk
Controlling 4 relays using a NodeMCU (ESP8266) via Wi-Fi and the Blynk app is a great way to build an IoT home automation project. Below is a step-by-step guide, including the circuit diagram, Blynk setup, and Arduino code. š§° Requirements š² Blynk App Setup š» Arduino Code First, install the following libraries via Library Manager: […]