Arduino Digital LED Matrix Clock Nano MAX7219 Date Temperature DS3231 RTC DIY

Arduino Digital Dot LED Matrix MAX7219 AMPM 12HR Clock with Date & Temperature DS3231 RTC   example RED LED MATRIX:  https://www.youtube.com/watch?v=ZlfEmEFHI5w    I will send you a link to download the file with instructions, arduino sketch needs to be uploaded to Arduino Nano Compatible module.   I do not provide any technical support regarding:  - using Arduino IDE,  - uploading/changing code,  - installing drivers for Arduino Nano - CH340 module in any OS   This auction is for parts only - sample code is free   Package Included: 1 x MAX7219 4 in 1 Dot Matrix Display module green LED 1 x Arduino Nano R3 Compatible 1 x DS3231 module with with CR2032 battery 1 x 30 cm Mini USB cable 2 x 20 cm dupont line 4P & 5P Assembly/upload code required