Tagged: ESP32
36 posts
Reviews
DHT22 vs BME280 vs SHT31: Picking the Right Temperature and Humidity Sensor
Three sensors that all read temperature and humidity, with very different accuracy, interfaces, and failure modes. Here is how to choose without wasting money.
8 min read
Reviews
ESP32 vs Arduino Uno: Which Should a Beginner Actually Buy?
The ESP32 is faster, cheaper per feature, and has WiFi built in — yet the Arduino Uno still wins for some projects. Here is the honest comparison, with the gotchas nobody mentions.
7 min read
Reviews
LoRa vs NRF24L01 vs Zigbee vs WiFi: Choosing a Wireless Link for Your Project
Range, power, data rate, and cost pull in opposite directions. A practical guide to picking the right radio for IoT projects in India, including licensing rules.
8 min read
Guides
Getting Started with ESP32: A Complete Beginner's Guide
Learn how to set up your ESP32 dev board, install the Arduino IDE, connect to WiFi, and build your first IoT project step by step.
14 min read
Reviews
ESP32 vs ESP32-S3 vs ESP32-C3: Which Board Should You Pick?
A detailed comparison of the three most popular ESP32 variants to help you choose the right microcontroller for your next IoT project.
15 min read
Guides
Building a Long-Range IoT Network with LoRa and ESP32
Learn how to build a kilometre-range IoT network using LoRa modules and ESP32, perfect for farm monitoring, weather stations, and remote sensing.
17 min read
Projects
5 IoT Projects You Can Build This Weekend
Five practical IoT projects using ESP32 and common sensors — from weather stations to plant watering systems — each buildable in a single weekend.
18 min read
Guides
Relay Modules Demystified: Switching High Voltage Safely
Everything you need to know about relay modules — how they work, how to wire them safely, and how to control high-voltage appliances with Arduino and ESP32.
18 min read
Reviews
Choosing the Right Sensor for Your Next Project
A practical comparison of popular sensors across six categories — temperature, distance, motion, light, gas, and soil — to help you pick the perfect one.
20 min read
Projects
Home Automation with ESP32 and LoRa: A Step-by-Step Guide
Build a complete home automation system using ESP32 and LoRa — control garden watering, monitor your gate, and automate terrace lights from a single dashboard.
25 min read
Guides
ESP32 Deep Sleep: Maximizing Battery Life for IoT Projects
Learn how to use ESP32 deep sleep modes to build battery-powered IoT devices that last months on a single charge.
19 min read
Guides
Understanding I2C Communication: A Practical Guide for Makers
Master the I2C protocol — learn how to connect multiple sensors, displays, and modules to your Arduino or ESP32 using just two wires.
16 min read
Reviews
SPI vs I2C vs UART: Choosing the Right Communication Protocol
A clear comparison of the three most common communication protocols in electronics — when to use SPI, I2C, or UART in your projects.
14 min read
Projects
Building a WiFi Weather Station with ESP32 and BME280
Build a complete WiFi weather station that measures temperature, humidity, and pressure — with an OLED display and a web dashboard you can access from your phone.
20 min read
Guides
Understanding MOSFETs: The Key to Motor and Load Control
Learn how MOSFETs work and how to use them to control motors, LED strips, pumps, and other high-current loads from your Arduino or ESP32.
19 min read
Guides
ESP32 Bluetooth: Building a BLE Remote Control
Build a Bluetooth Low Energy remote control with ESP32 — control LEDs and read sensors from your phone using BLE and Web Bluetooth.
19 min read
Projects
Solar-Powered IoT: Running ESP32 Projects Off-Grid
Design and build a completely self-sustaining solar-powered ESP32 IoT node — from panel selection to battery management and weatherproof deployment.
21 min read
Projects
Building a Smart Energy Monitor with ESP32
Build a DIY energy monitor that tracks your electricity consumption in real-time — see live watts, daily kWh, and estimated monthly bills on a web dashboard.
20 min read
Guides
Getting Started with MQTT for IoT Projects
Learn MQTT from scratch — set up a broker, connect your ESP32, and build a real-time IoT messaging system for sensor data and device control.
16 min read
Guides
ESP32 OTA Updates: Updating Firmware Over WiFi
Learn three methods to update ESP32 firmware over WiFi — never disconnect a deployed device to flash new code again.
17 min read
Guides
Introduction to LoRaWAN and The Things Network in India
Get started with LoRaWAN in India — learn how to connect ESP32 devices to The Things Network using the IN865 frequency plan for free, long-range IoT connectivity.
19 min read
Projects
Building a GPS Tracker with ESP32 and NEO-6M
Build a fully functional GPS tracker using ESP32 and NEO-6M — log routes, display coordinates, and send location data over WiFi or cellular.
17 min read
Reviews
ESP-IDF vs Arduino Framework: Which Should You Use for ESP32?
A practical comparison of ESP-IDF and Arduino for ESP32 development — understand the trade-offs and choose the right framework for your project.
14 min read
Guides
FreeRTOS on ESP32: A Beginner's Guide to Multitasking
Learn how to run multiple tasks simultaneously on ESP32 using FreeRTOS — read sensors, serve web pages, and control outputs all at once.
17 min read
Guides
OLED Display Tutorial: SSD1306 with Arduino and ESP32
Master the SSD1306 OLED display — from Hello World to sensor dashboards, menus, animations, and custom graphics with Arduino and ESP32.
17 min read
Guides
ESP32 WiFi Manager: No More Hardcoded Credentials
Build a professional WiFi setup experience for your ESP32 projects — let users configure WiFi credentials through a captive portal, no code changes needed.
15 min read
Guides
WS2812B Addressable LED Strips: The Complete Guide
Everything you need to know about WS2812B addressable LED strips — wiring, power, coding stunning animations, and building LED projects with Arduino and ESP32.
18 min read
Guides
3D Printing Enclosures for Your Electronics Projects
Design and 3D print professional enclosures for your ESP32, Arduino, and sensor projects — from basic boxes to weatherproof outdoor housings.
18 min read
Guides
Color TFT Displays with ESP32: ST7789 and ILI9341 Guide
Add vibrant color displays to your ESP32 projects — learn to drive ST7789 and ILI9341 TFT screens with graphics, charts, images, and touch input.
20 min read
Guides
ESP32 WebSocket: Building Real-Time Web Interfaces
Build blazing-fast real-time web dashboards for your ESP32 — live sensor data, instant controls, and bidirectional communication using WebSockets.
19 min read
Fundamentals
Voltage Dividers: The Most Useful Circuit in Electronics
Master the voltage divider — the simplest yet most versatile circuit in electronics. Learn the math, practical applications, and common pitfalls.
17 min read
Guides
ESP32 Mesh Networking: Connect Dozens of Devices Without a Router
Build self-healing mesh networks with ESP32 — connect dozens of sensor nodes across large areas without WiFi infrastructure using ESP-MESH and ESP-NOW.
18 min read
Guides
IoT Security for Makers: Protecting Your ESP32 Projects
Secure your ESP32 IoT projects from common attacks — learn HTTPS, TLS, authentication, secure boot, and credential management for connected devices.
19 min read
Guides
ESP32 Data Logging: SD Card, SPIFFS, and Cloud Options
Build reliable data logging systems with ESP32 — store sensor data on SD cards, internal flash, or stream to the cloud with timestamped CSV files.
17 min read
Guides
ESP32 Telegram Bot: Send Alerts and Control Devices from Your Phone
Build a Telegram bot on ESP32 to send instant alerts, receive commands, and control your IoT devices from anywhere using your phone.
21 min read
Projects
Building a Smart Irrigation System with ESP32 for Indian Gardens
Automate your garden watering with ESP32 — soil moisture sensing, smart scheduling, weather awareness, and Telegram alerts. Save water and grow healthier plants.
22 min read