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Recent ESP32 Tutorials
ESP32 with TDS Sensor
ESP32 with TDS Sensor Water Quality Monitoring using ESP32 TDS SensorWater quality plays a crucial role in drinking water safety,… read more
Turbidity Sensor with ESP32
Water quality is one of the most important factors in drinking water, aquaculture, industries, and environmental monitoring. A Turbidity Sensor… read more
ESP32-S3 Super Mini with 16×4 I2C LCD
IntroductionThe ESP32-S3 Super Mini is a powerful compact development board based on the ESP32-S3 chip. It provides high performance, WiFi,… read more
ESP32 with BNO055 Sensor Complete Guide
The BNO055 sensor is one of the most advanced smart orientation sensors available for IoT and embedded systems projects. If… read more
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… read more
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… read more
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… read more
Recent Arduino Tutorials
ESP32-S3 Super Mini with 16×4 I2C LCD
IntroductionThe ESP32-S3 Super Mini is a powerful compact development board based on the ESP32-S3 chip. It provides high performance, WiFi, Bluetooth Low Energy (BLE), low power consumption, and plenty of GPIO pins for IoT and embedded projects, making it ideal for the ESP32-S3 Super Mini LCD project. This ESP32-S3 Super…
Read MoreLoRa-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…
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What is Serial Communication in Arduino
What is Serial Communication in Arduino? Serial communication between the Arduino board and a computer or other devices. All Arduino boards have at least one serial port (also known as a UART or USART), and some have several.BOARD USB CDC NAME SERIAL PINS SERIAL1 PINS SERIAL2 PINS SERIAL3 PINSUno, Nano, Mini0(RX), 1(TX)Mega0(RX), 1(TX)19(RX), 18(TX)17(RX), 16(TX)15(RX), 14(TX)Leonardo,…
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Basic Functions of Arduino
Basic Functions of Arduino Configures the specified pin to behave either as an input or an output and other basic operation. pinMode() DescriptionConfigures the specified pin to behave either as an input or an output. See the Digital Pins page for details on the functionality of the pins.As of Arduino 1.0.1, it is possible to…
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What is Variable in Arduino
In short What is Variable in ArduinoA variable is a named unit of data that may be assigned a value. variable is a named location in a memory where a program can manipulate the data. This location is used to hold the value of the variable. The value of…
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Arduino Display Data using IIC LCD Module
How to setup 16×2 lcd on Arduino? Its not big issue ,read full blog and watch video at the end of content. It is hard to display data using serial monitor. So if you want to display data of Arduino or given text to 16×2 Char LCD .This tutorial will…
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Arduino PIR Motion Sensor Tutorial
PIR modules have a 3-pin connection at the side or bottom. The pinout may vary between modules so triple-check the pinout! It’s often silkscreened on right next to the connection (at least, ours is!) One pin will be ground, another will be signal and the final one will be power….
Read MoreRecent Node MCU Tutorials
What is Node MCU
NodeMCU is an open-source hardware and software development environment built around the inexpensive ESP8266 Wi-Fi System-on-a-Chip (SoC). It’s a popular choice for Internet of Things (IoT) projects due to its low cost and ease of use.Key features of NodeMCU:ESP8266 Wi-Fi chip: This provides built-in Wi-Fi connectivity for wireless communication.Lua scripting… Read More