How to use the new Arduino SDU library for SAMD boards to update the sketch on your board, putting it on an SD!
Do you need to have exFAT support? Use long filename? Open multiple files? Or read files with non-English characters? Then check this out!
RT-Thread, a powerful multitasking tool optimized for Arduino. You are able to issue shell (FinSH) commands to control your hardware now!
Build a simple MQTT message board with Arduino Ethernet.
by Bongjun Hur
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