Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

Learn SR Latch basics with truth table, circuit diagrams & working principle. Covers basic, gated & clocked SR latch with NAND/NOR gates.

The Elektor Circuit Special 2025 is packed with innovative circuit designs, inspiring DIY electronics projects, and practical tips to enhance your skills.

Using an inexpensive board and a clever signal processing algorithm, this DIY project delivers a precise, real-time guitar tuner that’s easy to use.