Skip to content
We have moved: pcb.esp32s.com → pcb32.comSame store. Existing accounts, orders and affiliate commission records are unchanged.
Checkout: USD
Checkout: USD
pcb32.com
Cart 0

Blog

ESP32 CYD GPS Tracker: Build a Portable Location Display with LVGL

Want to turn your ESP32 Cheap Yellow Display (CYD) into a portable GPS receiver that shows your exact location, altitude, speed, and precise time—all on a beautiful touchscreen interface? In this project, you’ll learn how to combine the popular NEO-6M GPS module with the CYD and LVGL graphics library to create a self-contained GPS data display perfect for hiking, sailing, car

Read More »

ESP32 CYD with LVGL: Build a Real-Time Temperature Line Chart (BME280)

Want to visualize sensor data in a professional, interactive way on your ESP32 Cheap Yellow Display (CYD) ? In this project, you’ll learn how to create a dynamic line chart using LVGL that displays temperature readings from a BME280 sensor. The chart automatically scales, updates in real-time, and even lets you touch data points to see exact values—perfect for environmental

Read More »

ESP32 CYD with ESP-NOW: Build a Multi-Sensor Data Receiver with Touchscreen Display

Imagine having multiple ESP32 sensor nodes scattered around your home or workshop, all wirelessly sending temperature and humidity data to a single, sleek touchscreen display that shows everything in real-time. With the ESP32 Cheap Yellow Display (CYD) and ESP-NOW communication protocol, you can build exactly that—no Wi-Fi router required. In this project, you’ll learn how to receive and display data

Read More »

ESP32 Cheap Yellow Display (CYD) – Complete Getting Started Guide

Looking for an all-in-one ESP32 development board with a built-in touchscreen to build graphical user interfaces (GUIs) for your IoT projects? The ESP32 Cheap Yellow Display (CYD), officially known as the ESP32-2432S028R, is the most popular and cost-effective choice among makers. This guide will walk you through everything you need to know—from hardware specs and where to buy,

Read More »

ESP32 CYD Touchscreen Button: Build an On/Off Control for Your IoT Projects

Want to add a simple, tactile touch control to your next IoT project without complex wiring? The ESP32 Cheap Yellow Display (CYD) makes it incredibly easy. In this project, you’ll build a working touchscreen on/off button that controls the board’s built-in RGB LED—a perfect foundation for controlling lights, motors, or any other output in your smart home or automation projects. Why

Read More »

Build Professional GUIs on ESP32 CYD with LVGL: Complete Setup & Project Guide

Are you looking to create sleek, responsive touchscreen interfaces for your IoT projects without complex display wiring? The ESP32 Cheap Yellow Display (CYD) combined with the LVGL graphics library offers the most cost-effective and powerful way to build graphical user interfaces (GUIs). This guide walks you through everything from hardware selection to running your first interactive LVGL project. Why LVGL +

Read More »

ESP32 CYD with VS Code: Setup TFT_eSPI & LVGL for Display Projects

Are you ready to move beyond the Arduino IDE and unlock a more professional, efficient workflow for your ESP32 Cheap Yellow Display (CYD) projects? Developing in VS Code with PlatformIO offers powerful features like intelligent code completion, a superior library manager, and seamless project management. This guide provides a complete, project-ready path to set up your entire development environment, configure

Read More »

Fix ESP32 CYD Touch Accuracy: The Ultimate Professional Calibration Guide

In the rapidly evolving landscape of Internet of Things (IoT) development, the ESP32 Cheap Yellow Display (CYD) has emerged as a game-changer for hobbyists and commercial product developers alike. Priced at a fraction of conventional display modules, this 2.8-inch ILI9341 TFT LCD with resistive touchscreen offers an unprecedented value proposition. However, there’s a critical hurdle that separates

Read More »

The Ultimate Guide to Calibrating Your ESP32 Cheap Yellow Display (CYD) Touchscreen for Precision Projects

Is your ESP32 Cheap Yellow Display (CYD) touchscreen registering taps slightly off? Are you struggling to type on a keyboard or select small buttons in your latest IoT project? An uncalibrated touchscreen is a common hurdle, but it’s one you can permanently overcome. This guide provides a complete, project-ready solution for calibrating the resistive touchscreen on your ESP32-2432S028R (CYD)

Read More »

ESP32 Cheap Yellow Display (CYD) MicroPython Guide: Build Commercial IoT Touchscreens Fast

In the rapidly evolving landscape of Internet of Things (IoT) development, the gap between a functional prototype and a market-ready product often lies in the user interface. While countless developers master sensor integration and cloud connectivity, few possess the streamlined workflow to create intuitive, responsive, and visually compelling touch interfaces without breaking the bank. Enter

Read More »

The Ultimate Guide to the ESP32 Cheap Yellow Display (CYD): Buy, Setup, and Build Your First MicroPython Project

Are you searching for an all-in-one, low-cost development board with a built-in touchscreen to build your next IoT project? The ESP32 Cheap Yellow Display (CYD), officially known as the ESP32-2432S028R, has become the maker community’s favorite for good reason. It combines a powerful ESP32 chip with a 2.8-inch TFT touch display, all for a price that makes prototyping

Read More »

The Complete Guide to ESP32 E-Paper Displays: Selection, Drivers, Low Power Design & 10 Practical Projects Executive Summary

After reviewing 2025-2026 market data on ESP32 module deployments, one pattern emerges clearly: the ESP32 ePaper combination has become the dominant architecture for battery-powered IoT displays, with adoption rates exceeding 340% year-over-year in industrial monitoring and smart home segments. However, most available tutorials fail to address the real-world pain points that kill projects before deployment: unexpected power drain during WiFi reconnection,

Read More »