About This Latest Version: Upgrade to Arm Cortex-M4 Microcontroller with 48 MHz main core clock speed, 256 kB Flash and 32 kB RAM, onboard ESP32-S3 for WiFi and Bluetooth (Fully compatible with Blue Rev4 WIFI board; some code and libraries may not be compatible with Blue Rev3 board) 343 Items in Total: This complete kit includes the most components, modules and sensors available for the control board 474-page Detailed Tutorial: Provides step-by-step guide with basic electronics and programming knowledge (The download link can be found on the product box) (No paper tutorial) 90 Projects from Simple to Complex: Each project has schematics, wiring diagrams, complete code and detailed explanations Extra Advanced Projects: Make virtual instruments (voltmeter, oscilloscope) and game consoles Overview Brand : FREENOVE Model Name : FNK0092A Ram Memory Installed Size : 32 KB Memory Storage Capacity : 256 KB CPU Speed : 48 MHz