30JanJanuary 30, 2026

ESP32 with 1.3 inch OLED display

IntroductionThe ESP32 with 1.3 inch OLED display is one of the most popular combinations in IoT and embedded electronics projects. The ESP32 offers built-in Wi-Fi and Bluetooth, while the OLED display provides a compact, low-power, and high-contrast output interface.In this guide, you will learn how to connect a 1.3-inch OLED display to ESP32, understand the I2C communication process, explore required libraries, and discover real-world project applications.Why Use a 1.3 Inch OLED Display with ESP32?Using a 1.3 inch OLED display with...

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16JanJanuary 16, 2026

Robotics Components in Kanpur – Buy Arduino, Sensors & IoT Kits Locally

Are you searching for robotics components in Kanpur for projects, training, or experiments?IoT Web Planet is your one-stop destination for genuine robotics and IoT components, trusted by students, educators, and innovators across Kanpur.From Arduino boards to sensors and complete robotics kits, we provide everything you need to build real-world robotics projects.📍 Why Buy Robotics Components in Kanpur?Buying robotics components locally has many advantages:Faster availability (no long delivery wait) Genuine and tested components Easy guidance & technical support Ideal for students,...

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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...

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19DecDecember 19, 2025

ESP32 with WS2812 NeoPixel LED

🔧 What is a NeoPixel?NeoPixel is Adafruit’s name for individually addressable RGB LEDs using the WS2812 or WS2812B chip. Each LED contains:Red, Green, Blue LEDA tiny controller (built-in)Only one data pin needed to control the entire strip or ring🧰 Components Required:ESP32 (any variant)NeoPixel LED strip/ring (WS2812)470Ω resistor (optional for data pin)1000µF capacitor (optional for stability)Power source (5V) – USB or externalBreadboard and jumper wires⚙️ NeoPixel Pinout:NeoPixel PinConnect toVCC / 5V5V (ESP32 or external)GNDGND of ESP32DIN / DIGPIO (e.g. GPIO 5) of ESP32⚠️ Use a level shifter or a resistor voltage...

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