Makers and ordering your enthusiasts looking for a new project to keep them busy may be interested in this new Arduino rotary phone hack which uses an Arduino Pro Mini and a SIM900 GSM shield. Created ...
What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...
You can use an old rotary telephone dialer in conjunction with your microcontroller to implement all sorts of things; for example, you could use it to enter a series of numbers to unlock a safe. You ...
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