Start Data Logging. Now you can write data to the SD card. First, open the “Datalogger” example sketch (File > Examples > SD > Datalogger) and upload it to Arduino. This sketch reads the value from ...

When I was a wee lad, I remember doing CW decoding with an LM567 tone decoder chip, and writing code in BASIC on a 8088 PC clone to monitor the output of the IC and print text to the screen.

This simple WiFi serial port monitor would have saved us a lot of trouble. We can’t count how many times where being hooked into an Arduino with USB just to get the serial out has nearly been… ...