This article provides a complete, practical guide to diagnosing and fixing non-responsive SPI LCD displays using methods including hardware validation, logic level correction, library configuration, and advanced diagnostic tools. Perfect for hobbyists and engineers alike.

IntroductionRound LCD display modules have gained popularity in various industries due to their unique design and versatility. Unlike traditional rectangular displays, round LCDs offer a distinct aesthetic appeal and can be integrated into a wide range of applications. This article explores the best

Understanding the Waveshare 1.47inch LCD Display ModuleBefore diving into project ideas, let's take a moment to understand what makes the Waveshare 1.47inch LCD display module special.Key Features- Display Size: 1.47 inches- Resolution: 240 x 240 pixels- Interface: SPI (Serial Peripheral Interface)-

Understanding the Waveshare 1.69-inch LCD Display ModuleBefore diving into troubleshooting, it's essential to understand the specifications and components of the Waveshare 1.69-inch LCD Display:- Display Type: IPS (In-Plane Switching)- Driver Chip: ST7789V2 for display control- Touch Controller: CST