ESP32 30 Pin vs 38 Pin Development Boards
Table of Contents If you’re choosing an ESP32 development board for your next project, you’ve probably noticed two common versions: 30 pin and 38 pin. At first glance they look...
Guides
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WS2812B LED Power Requirements – RGB LED Strips, Rings & Matrices
Table of Contents LED strips have revolutionized lighting by offering flexible, vibrant, and programmable illumination for homes, commercial spaces, and electronics projects. Among the most popular addressable LEDs are the...
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SG90 Servo Arduino Guide
Table of Contents The SG90 Micro Servo is a popular tiny servo motor widely used in Arduino and electronics projects. It is lightweight, affordable, and capable of precise position control over...
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Arduino Getting Started Guide for Beginners
Table of Contents What Is Arduino? Arduino is an open source electronics platform used to create interactive projects using simple hardware and code. It is commonly used by beginners to...
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What is VL53L0X Time-of-Flight Distance Sensor - Advanced guide
Table of Contents The VL53L0X is a precise time-of-flight (ToF) distance sensor that measures distance using lasers. The VL53L0X measures distance directly via the time it takes infrared light pulses...
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How to Use a 16x2 LCD: Complete Tutorial
Table of Contents The 16X2 LCD display, also commonly known as the 1602 LCD, is one of the most widely used screens in electronics projects and embedded systems. This exact...
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Arduino, ESP32, & Raspberry Pi Pinout Reference for I2C, SPI, and UART
Table of Contents Microcontroller boards can communicate with a wide variety of sensors using several standard protocols. This guide serves as a practical resource for quickly referencing the pin connections...
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Best Arduino Digital Temperature Sensors - DHT11 vs DHT22 vs BME280 vs DS18B20
Table of Contents Digital temperature sensors are a great way to test and monitor your environment, whether that is experimenting with cooling solutions, monitoring indoor conditions, or creating a DIY...
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Beginner's Guide to the CC1101 RF Transceiver Module
Table of Contents The CC1101 Wireless RF Transceiver is a wireless transceiver designed for low power wireless applications, capable of reliable transmissions both short and long range. In this guide,...
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LED Blink Guide for Arduino - Beginner Friendly
Table of Contents Everyone’s experience with microcontrollers has to start from somewhere, which is why we’ve created this guide to help you write and test your first program, in the...
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W1209 Setup Instruction Guide: Settings, Uses, and Applications
Table of Contents The W1209 digital temperature board is a simple controller widely used in hobbyist and small DIY projects, often for regulating temperatures in heating or cooling applications. This...
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HW-585 PWM Fan Speed Controller Setup Guide
Table of Contents The HW-585 PWM Fan Speed Controller offers an affordable and efficient solution for managing PC cooling fans. Designed for 4-wire PWM fans, this compact module uses a...
ESP32 Beginner Tutorials
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ESP32 Detecting Objects with an IR Sensor Module - Lesson 9
Table of Contents In this lesson you will learn how to use an infrared (IR) sensor module with your ESP32. The IR sensor detects nearby objects by emitting infrared light...
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ESP32 Detecting Motion With HC-SR501 PIR Sensor - Lesson 8
Table of Contents In this lesson you will learn how to use the HC-SR501 PIR motion sensor with your ESP32. The PIR sensor detects movement and can trigger an LED...
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ESP32 Using DHT11 Temperature & Humidity Sensor - Lesson 7
Table of Contents In this lesson you will learn how to use the DHT11 sensor with your ESP32. The DHT11 can measure temperature and humidity, and you can display the...
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Using a Push Button with ESP32 - Lesson 6
Table of Contents In this lesson you will learn how to use a momentary push button with your ESP32. Push buttons allow you to send input signals to the microcontroller...
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ESP32 Reading a Photosensitive Resistor (LDR) - Lesson 5
Table of Contents In this lesson you will learn how to use a photosensitive resistor module (LDR module) with your ESP32. You will read analog values to measure light levels...
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ESP32 Using a Passive Buzzer Tutorial - Lesson 4
Table of Contents This ESP32 passive buzzer tutorial is designed for beginners who want to generate sound using their ESP32. In this lesson you will learn how a passive buzzer...
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ESP32 LED Blink Tutorial for Beginners - Lesson 3
Table of Contents This ESP32 LED blink tutorial is designed for beginners who are getting started with ESP32 development. In this lesson, you’ll learn how to connect an LED to an...
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Installing Libraries and Using the Serial Monitor on ESP32 - Lesson 2
Table of Contents In this lesson you will learn how to install Arduino libraries and use the Serial Monitor to view messages from your ESP32. These skills are essential for...
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Installing and Configuring Arduino IDE for ESP32 - Lesson 1
Table of Contents To get started with your ESP32, you will need to install the Arduino IDE and add support for ESP32 boards. This lesson walks you through the setup...
ESP32 IoT Systems Pathway
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ESP32 DHT11/DHT22 Web Server With Temperature & Humidity
Table of Contents The ESP32 is a powerful microcontroller with built-in Wi-Fi, making it ideal for real-world IoT monitoring systems. In this guide, we expand on the basic web server...
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ESP32 Web Server Tutorial - Connect to Wi-Fi and Host a Simple Web Page
Table of Contents The ESP32 is a highly capable microcontroller which includes a built-in Wi-Fi radio and a full TCP/IP networking stack. This means it can connect to wireless networks,...
Projects
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Space Dodger - Survival Game for RP2350 / Raspberry Pi Pico
Table of Contents At Zaitronics, we've recently built an upgraded version of a Raspberry Pi Pico 2, called Nexus RP2350 LiPo, with the intension of being a drop in replacement...
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Raspberry Pi E-Paper Alarm Clock
This is a DIY sunrise alarm clock built around a Raspberry Pi Zero 2 W, a Waveshare e-paper display, and a Shelly Duo RGBW light bulb. It shows the time...
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Touch-Responsive Drawing Project Using 2.8" 240×320 TFT Display & ESP32
Table of Contents This guide will help you build a touch-responsive drawing tool using an ESP32 and a 2.8" TFT touchscreen display. You'll learn how to set up the hardware,...
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Using ESP32 Communication for a Multiplayer Pong Game Using WiFi (UDP)
Table of Contents Introduction This guide will walk you through creating a multiplayer Pong game using two ESP32 boards. The boards communicate over Wi-Fi using UDP, chosen for its low...
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How to Build and Play JumpMan: A Fun Arduino LCD Game with I2C Interface
Table of Contents Welcome to JumpMan! This guide will help you set up, understand, and play the game. JumpMan is a simple and fun game where you control a running...
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Building an Arduino Temperature Monitor with DHT22 and 0.96" OLED Display
Table of Contents This project shows how to build a simple Arduino temperature and humidity monitor using a DHT22 sensor and a 0.96 inch SSD1306 OLED display. The Arduino reads...
