PCF8578 & PCF8579 Arduino Tutorial | Drive Segment LCD Displays

Ever wondered how segmented LCD displays are driven? In this video, we'll explore the Philips/NXP PCF8578 and PCF8579 LCD driver ICs and show how to interface them with an Arduino using I²C. 📂 Arduino source code: https://github.com/emsyscode/PCF8578 Whether you're repairing vintage electronics, reverse engineering an old display, or building your own embedded project, these chips make driving multiplexed LCDs much easier. In this tutorial you'll learn: ✔ What the PCF8578 and PCF8579 actually do ✔ Differences between both devices ✔ How LCD multiplexing works ✔ I²C communication with Arduino ✔ Wiring the hardware ✔ Complete Arduino example ✔ Tips and troubleshooting If you enjoy reverse engineering, embedded systems, Arduino projects and vintage electronics, consider subscribing! 👍 Like the video if it helped. 💬 Leave your questions in the comments. 🔔 Subscribe for more electronics tutorials every week. #Arduino #Electronics #PCF8578 #PCF8579 #LCD #I2C #EmbeddedSystems