Specifications:
Power Supply Voltage: DC 4~5VDisplay Color: RedLED Dimensions:64 LEDs: 60mm x 49mm256 LEDs: 96mm x 85mm

Features:
1. Innovative Circuit Design for Beginners: The kit is engineered with a unique circuit layout, making it ideal for entry-level soldering practice and hands-on electronics learning.2. High-Quality Double-Sided PCB: Built with fiberglass material and tin plating to allow multiple installations and removals without damaging the board.3. Pre-Programmed Microcontroller: Includes a microcontroller with pre-burned firmware, eliminating the need for programming knowledge and making it class-ready for teaching or competitions.4. Compact Display Options: Choose between two configurationsu201464 LEDs or 256 LEDsu2014to display clear text and intricate patterns with row-column scanning.5. Comprehensive DIY Components: Comes with complete surface-mount component sets, enabling users to improve their soldering skills and deepen their understanding of electronic assembly.

Package Included:
64 LEDs Kit (88 Components):64 x Surface-Mount LEDs8 x Row Driver Transistors8 x Current-Limiting Resistors2 x Serial Expansion Chips1 x Microcontroller Chip (Pre-programmed with firmware)1 x Surface-Mount Electrolytic Capacitor4 x Surface-Mount High-Frequency Capacitors
or
256 LEDs Kit (300 Components):256 x Surface-Mount LEDs16 x Row Driver Transistors16 x Current-Limiting Resistors4 x Serial Expansion Chips1 x Microcontroller Chip (Pre-programmed with firmware)1 x Surface-Mount Electrolytic Capacitor6 x Surface-Mount High-Frequency Capacitors