Heron Circuits is committed to the highest quality standards for our products. All microcontroller boards must pass a 100% functionality test to ensure the product you receive works perfectly.  If you would like technical support, first read our blog site to see if what you need is already there.  Use the "Contact us" link if you still have questions.

We can only answer questions about Heron Circuits products. There are lots of online sources for general questions about electronics, working with microcontroller boards, and programming with the Arduino IDE.  Check out our list of favorite links!