Learn ESP32 with iotwebplanet

14FebFebruary 14, 2026

LoRa-02 SX1278 with ESP32: Complete Pinout, Wiring, and Long-Range Communication Guide

IntroductionLong-range wireless communication without internet, Wi-Fi, or cellular network is no longer a dream. Using the LoRa-02 SX1278 module with ESP32, you can transmit data up to 8–10 km using radio frequency (433 MHz) with extremely low power consumption.The ability to transmit data over 8–10 km opens doors for remote monitoring, smart agriculture, and many other applications where conventional connectivity options fall short.Imagine a world where devices can communicate over vast distances without relying on traditional networks. The LoRa-02 SX1278...

ESP32, Arduino433MHz LoRa, Electronics Project, Embedded Systems, ESP32 LoRa, Hardware Project, IoT Communication, IoT Project, Long Range Communication, LoRa ESP32, LoRa Module, LoRa SX1278, LoRa Transceiver, LoRa-02, Low Power IoT, RF Communication, Semtech SX1278, SPI Communication, SX1278, Wireless Communication0 CommentsLike: 0

06FebFebruary 6, 2026

PZEM-004T Energy Meter with ESP32 – Complete Guide (Voltage, Current, Power & Energy Monitoring)

IntroductionWith the rise of IoT-based energy monitoring systems, measuring electrical parameters like voltage, current, power, and energy consumption has become essential for smart homes, industries, and research projects. The PZEM-004T v3.0 energy meter module combined with the ESP32 microcontroller is a powerful, low-cost solution for real-time AC power monitoring.In this blog, we will learn how to interface PZEM-004T with ESP32, understand its working principle, wiring, and Arduino code, and explore real-world applications.What is PZEM-004T?The PZEM-004T is a single-phase AC energy...

IoT, ESP32AC energy meter ESP32, energy monitoring system, ESP32 energy meter, ESP32 power monitoring, ESP32 smart meter, ESP32 UART communication, ESP32 voltage current measurement, IoT electricity monitoring, IoT energy monitoring, power consumption monitoring, PZEM-004T, PZEM-004T Arduino, PZEM004T v3, smart energy meter0 CommentsLike: 0

ESP32 with ZMPT101B voltage sensor AC voltage measurement circuit

ESP32 with ZMPT101B voltage sensor AC voltage measurement circuit2

13JanJanuary 13, 2026

ESP32 with ZMPT101B Voltage Sensor – Complete AC Voltage Measurement Guide (2026)

IntroductionMeasuring AC voltage using ESP32 is a common requirement in IoT, energy monitoring, and automation projects. In this guide, we explain how to use the ZMPT101B AC voltage sensor with ESP32 to accurately measure AC voltage measurement with ESP32 using Arduino IDE. This tutorial is ideal for students, hobbyists, and IoT learners in India working on real-world electronics projects.Understanding AC voltage measurement with ESP32 can greatly enhance your IoT projects.👨‍🎓 Who Should Use This...

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19DecDecember 19, 2025

ESP-NOW ESP32: Powerful Wireless Communication Tutorial with Keypad & NeoPixel

What is ESP-NOW ESP32?ESP-NOW ESP32 is widely used in offline IoT projects where fast, reliable, and low-power communication is required. Using ESP-NOW ESP32, multiple ESP32 boards can communicate directly without depending on Wi-Fi routers or cloud servers, making ESP-NOW ESP32 ideal for real-time control systems and battery-operated devices.👉 ESP-NOW works on top of the 2.4 GHz Wi-Fi radio, but does not require Wi-Fi connection.Key Features of ESP-NOW ESP32📡 Peer-to-peer communication (up to 20 devices)⚡ Ultra-fast transmission (few milliseconds delay)🔋 Low...

IoT, ESP32arduino, ESP-NOW, esp32, ESP8266, IoT, Low Power Networking, Microcontrollers, Peer-to-Peer Communication, Smart Devices, Wireless Communication0 CommentsLike: 0

MPU6050 accelerometer and gyroscope sensor module pinout and wiring

19DecDecember 19, 2025

🔧 How to Set Up and Use MPU6050 with ESP32 (Complete Guide)

The MPU6050 is a powerful motion sensor that combines a 3-axis accelerometer and a 3-axis gyroscope in a single module. When paired with ESP32, it becomes ideal for robotics, IoT, motion tracking, and smart automation projects.In this guide, you’ll learn how to connect MPU6050 with ESP32, install libraries, upload code, and read motion data step by step.📦 Components RequiredESP32 development boardMPU6050 accelerometer & gyroscope sensorBreadboardJumper wiresUSB cableArduino IDE📌 MPU6050 PinoutThe MPU6050 module typically has the following pins:MPU6050 PinDescriptionVCCPower supply (3.3V)GNDGroundSDAI2C...

ESP320 CommentsLike: 0