esp32 with relay

ESP32 Bluetooth Control Relay:

IntroductionIn today's age of automation, controlling devices remotely has become increasingly popular. One of the most common applications is controlling electrical appliances using a smartphone. This can be achieved using a variety of methods, but one of the most cost-effective and versatile solutions is the ESP32 microcontroller paired with a Bluetooth module.In this blog post, we'll delve into the process of building a Bluetooth-controlled relay using an ESP32 board. This project allows you to remotely switch on or off any...

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Gm805l_with_esp32

ESP32 and GROW GM805-L: A Dynamic Duo for Barcode Scanning and IoT

The Internet of Things (IoT) has revolutionized the way we interact with the world around us. With the ability to connect devices to the internet, we can automate tasks, monitor conditions, and gather valuable data. At the heart of many IoT projects lies the ESP32, a versatile microcontroller, and the GROW GM805-L, a high-performance barcode and QR code reader module.What is ESP32?The ESP32 is a powerful and affordable microcontroller board developed by Espressif Systems. It boasts a dual-core processor, Wi-Fi,...

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esp32_with_pir_sensor

ESP32 and PIR Sensor: A Simple Motion Detection System

IntroductionThe ESP32, a powerful microcontroller, coupled with a Passive Infrared (PIR) sensor, can be used to create a versatile motion detection system. This combination allows for a wide range of applications, from home automation to security systems.Understanding the ComponentsESP32: A versatile microcontroller with Wi-Fi and Bluetooth capabilities, making it ideal for IoT projects.PIR Sensor: Detects motion by sensing changes in infrared radiation emitted by moving objects.Required Components:ESP32 Development BoardPIR Sensor ModuleResistors (10k and 220 ohms)Jumper WiresBreadboardPower Supply (5V DC)Circuit Connection:Power:...

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esp32_with_neoM8n-gps

Integrating Neo-M8N GPS with ESP32: A Comprehensive Guide

Understanding the ComponentsESP32: A powerful, versatile microcontroller with Wi-Fi and Bluetooth capabilities.Neo-M8N: A high-performance GNSS receiver capable of tracking multiple satellite constellations.Connecting the HardwarePower Supply: Ensure both the ESP32 and Neo-M8N are powered from a common 3.3V power source.Serial Communication: Connect the TX and RX pins of the Neo-M8N to the corresponding RX and TX pins on the ESP32.Ground: Connect the ground pins of both devices.Software Setup1. Arduino IDE:Install Necessary Libraries:TinyGPSPlus: This library simplifies parsing NMEA sentences from the...

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DS3231_with_esp32

DS3231 with ESP32: A Real-Time Clock Solution

IntroductionThe DS3231 is a highly accurate real-time clock (RTC) module that provides precise timekeeping capabilities. When coupled with the ESP32 microcontroller, it offers a powerful combination for various IoT and embedded applications requiring accurate time synchronization.Key Features of DS3231Battery-backed real-time clock: Ensures continuous timekeeping even in the absence of external power.Temperature-compensated crystal oscillator (TCXO): Provides high-precision timekeeping over a wide temperature range.Square-wave output: Generates a clock signal for external devices.Low-power consumption: Ideal for battery-powered applications.Connecting DS3231 to ESP32To connect the...

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