STM32 and Arduino Uno 3.5″ LCD based portable SD card tester with CID unlock hack feature

Features: – cheap STM32 board – Arduino Uno 3.5″ TFT shield (ILI9327) – CID, OCR, CSD and status registers decoding – partition table and optional FAT filesystem parameters – CID unlock hack based on Richard Burton’s code: https://richard.burtons.org/2016/07/01/changing-the-cid-on-an-sd-card/ – Discover A Lot More

GSM Home alarm system with touch keypad and APP control feature

GS-G90E is Touch keypad GSM alarm system with home auotmation feature,can contorl home appliances via APP application software.GS-G90E has 100 wireless zones,user can define the zone name by himself,it’s Capacitive touch screen,which is very easy Discover A Lot More