Announcement,Tutorials

Forum Updated!

    To provide our customers with personalized services and enhance customer satisfaction to our company, we have optimized our forum by adding a new column to improve the costumer services further and establish a sound service system.     Such measures are also taking for the purpose of collecting comments on our new initiatives and finding deficiencies so as to make improvement next time. So, if you have any ideas, we’d appreciate it very much if you let us know in the comments section.      After purchase, if you find some problems and need our help, you can come to our forum on the web site and post your...
Tutorials

Self-made telephone dialer with Arduino

How to make a call? Maybe it is simple: pick up the receiver and dial a number on the dial pad. However, have you ever thought to pick up the receiver and put it through without touching dial pad? The answer is definite. We hereby introduce how to generate dual-tone multi-frequency signal with Arduino below. How to Use: To make a call, we pick up the receiver, put the speaker close to microphone, and send a phone number (such as 10000) via serial port. Then the phone can be put through a moment later. Extended Usage: Driven switch simulates phone...