AM Radio using 555 timer IC
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8x8 LED Matrix
Introduction This product is a serially driven 8x8 LED Matrix kit powered by MAX7219. It only needs three data lines and two power lines. The 8x8 LED Matrix is easy to use and compatible with Arduino, and its LED brightness adjustment can be implemented in software. 8x8 LED Matrix kit has many applications in real life, such as various types of electronic display panels. If the LED matrix is not driven by any peripherals, it’ll waste the interface of devices, and the LED brightness will be impaired due to insufficient power, so that we cannot get ideal display effect. The LED matrix can be driven in two ways: parallel or serial. We usually drive it in the serial manner in order to save interface. The serial-driven LED matrix actually dynamically displays the LEDs, i.e., displays the LEDs row-by-row or column-by-column. The persistence of vision for humans is about 0.1s, so as long as we can serially display all 8 rows/columns within 0.1s, we’ll see a complete characte...
Jackson Brown Jr once Said
When facing a difficult task, act as though it’s impossible to fail. Remember that overnight success usually takes about fifteen years. Remember that winners do what losers don’t want to do. The importance of winning is not what we get from it, but what we become because of it. Success is getting what you want. Happiness is liking what you get. Spend less time worrying who’s right, more time deciding what’s right. Seek opportunity, not security. A boat in harbor is safe, but in time its bottom will rot out. Never overestimate your power to change others. Never underestimate your power to change yourself. Never cut what can be untied. Live your life as an exclamation, not an explanation. Judge your success by the degree that you’re enjoying peace, health and love. Leave everything a little better than you found it. Learn to listen. Opportunity sometimes knocks very softly. Give people a second chance, but not a third. Don’t waste time grieving over past mistakes. Learn ...
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