May 20 2019
It is possible to use an Arduino Leonardo and a Button for a USB Foot Pedal. Here is the story on how one was built. A long time ago, my daughter used to transcribe audio cassette tapes using a transcribing machine. It had a nice foot pedal to start, stop and rewind the cassette tape. …
Jul 13 2015
In a previous post titled Arduino Leonardo and SPI Communications, I documented how to connect the Arduino Leonardo to the ENC28J60 Ethernet module. This post takes things a bit further and adds a DHT22 Sensor. The Arduino Leonardo is used as a WEB Server to Display Temperature and Humidity information from the DHT22 sensor. The …
Dec 17 2014
A while back I posted some information about the ESP8266 Wi-Fi Module. You can view that post here. I mentioned that for testing it, an Arduino with multiple hardware serial ports would be ideal. Well, I just got an Arduino Leonardo which matches that criteria. Here is how I hooked it up: you can …
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