The,top,tips,for,impeccable,ca car The top tips for impeccable rc car performance
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You can maneuver and change rc car models as you wish. Yet, you need to learn about the shift registration and more. Consider developing your own material. To develop our example we will use the 74HC164N chip, which is a shift register of 8 bits. That is, can be armed with a "row" 8 "people." To build a cartel of 80 columns, 10 of these would need to use integrated, one after the other. Fortunately, this integrated costs only pennies.Rows and columnsWell, with the scheme explained, configure the LEDs you want to turn; you can go for a row of 80 bits long. If we introduce the shift register "11111 ... 111", the 80 LEDs are lit. If we turn one half, write "10 101 ... 01". Of course, when we reach the part of the programming we will see one by one, enter "0" and "1" on the record. You can ensure top rc car lighting! At this point it may be necessary to analyze the issue of the rows. If we, for example, a poster with 7 rows, and just explained what used to handle only one of them should we use a shift register for each of the remaining rows? Fortunately, the answer is no. While we could use 7 records of this type, the number of chips required (56 of them), printed circuit complexity and cost involved make it unwise. We will take advantage of a "defect" of the human eye, which keeps the image seen for 20 or 30 milliseconds, to "draw" a line at a time, but very quickly, so that the entire poster seems to be on at a time. If we continue to believe in a sign of 7 rows and 80 columns, with no need to use shift registers 560-pin input / output. With the proposed scheme 7 of them just need to select the row to write, and three for driving the shift register. That is, a PIC pin and it will serve well for the rc car lighting project.How does the Matrix works?As mentioned before, the display consists of a series of rows and columns. The intersection between the two contains an LED. For this turn, you must receive both a "0" in line, and a "1" in the column. When these conditions are fine, the electronic board is responsible for the lighting of the rc car LED in question. The way to generate a message on the display is relatively simple. Article Tags: Shift Register
The,top,tips,for,impeccable,ca