Development system for PIC and AVR microcontrollers

After testing many systems development for PIC and AVR microcontrollers, none satisfy me. So I created this system with breadboard that has satisfied me. Step 1: More space free In this development system, I put two protoboards turned 180 degrees from each other. The space that is left to just enough space to insert a 40-pin microcontroller. But I'm planning to create a version with movables protoboards  to ...

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USB interfacing for AVR microcontrollers

USB interfacing for AVR microcontrollers Since the release of V-USB, dozens of projects have been made that allow an AVR to communicate over USB.  USB data signals are supposed to be in the range of 2.8 to 3.6V, so there are two recommended ways to have an AVR output the correct voltage.  One is to supply the AVR with 3.3V power, and the other is to use 5V power but clip the USB data signal using zener diod ...

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Interfacing DS1307 RTC Chip with AVR Microcontroller

Real Time Clocks, as the name suggests are clock modules. They are available as integrated circuits (ICs) and manages timing like a clock. Some RTC ICs also manages date like a calendar. The main advantage is that they have a system of battery backup which keeps the clock/ca lender running even in case of power failure. A very small current is required for keeping the RTC alive. This in most case is provide ...

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