Controlling 7-segments LED displays using AVR microcontroller
The many posibilities….Non Multiplexed: 1. One or two displays directly to the i/o’s 2. One display with a 74LS247 3. Two displays with a 74HC595 and two 74LS247 Multiplexed: 1. Two displays with a 74LS247 and 2 i/o’s 2. Two displays with a 74HC595 and 2 NPN/PNP * 3. With a special driver IC e.g. […]
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