If you are looking for a dtmf decoder, your best option is to use a dtmf decoder ic instead of trying to write up software. Using software in your microcontroller-based project (Arduino or other) to decode dtmf signals to me is like reinventing the wheel. For sure the software approach is a “free”solution, since you’re […]
Continue reading…
Learn how to quickly get up-and-running with a DTMF Shield for Arduino in this tutorial. So you want to build an Arduino project which uses DTMF / Touch Tones? Great! Let’s get started. I want to mention that DTMF is great choice for DIY projects. It’s a widely used protocol what pretty much EVERY phone […]
Continue reading…
I designed a variant of the DTMF Shield for Arduino that I am considering selling as kit. In order to make it easier for people to hand assemble these kits, this variant design uses through-hole components (PTH) instead of surface mount components (SMD). SMD components are ideal for automated assembly, but most people find too […]
Continue reading…