Download "Программирование МК AVR. Урок 11. Динамическая индикация. Часть 1"

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0:00

Интро

0:18

Динамическая индикация

2:10

Соберём схему в протеусе

5:14

Добавим транзисторы в схему

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Микроконтроллеры AVR

AVR

МК AVR

Программирование МК

Программирование AVR

Программирование СИ

Программирование микроконтроллеров

LED индикатор

Программирование

Atmel Studio

Динамическая индикация

семисегментный индикатор

светодиодный индикатор

00:00:17

hello everyone, today we will continue our

00:00:21

lessons on programming

00:00:23

lr microcontrollers, today we will also

00:00:27

continue to work with

00:00:32

seven-segment LED indicators, today we are

00:00:36

trying to connect one more digit under

00:00:41

and use dynamic indication in

00:00:44

general, what is the difference between dynamic

00:00:46

indication and static one that we

00:00:48

used last time In general,

00:00:51

with static indication, the

00:00:52

common electrode of the indicator is where it is not

00:00:56

where the cathode is always connected to us,

00:00:59

but when

00:01:02

dynamic indication is used, we

00:01:06

turn on the common electrode alternately

00:01:09

and to, but thereby saving

00:01:13

microcontroller ports, that is, we are not all

00:01:16

common electrodes that are connected to

00:01:18

segments we parallel them to them on

00:01:21

all indicators and connect all eight

00:01:26

in total

00:01:28

8 electrodes all together for parallel

00:01:33

indicators we connect to one port

00:01:38

at all we do not use several of them

00:01:41

so this results in a real saving of

00:01:45

microcontroller legs. I decided to break the layer lesson

00:01:51

into parts since they are

00:01:54

too big the videos turn out to be hard

00:01:56

to watch, well, let's continue

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now we'll start the process, most

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likely in our first lesson we'll

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just assemble the pattaya sea circuit

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in the next part of the lesson we'll continue

00:02:20

then working with the code first of all we'll

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now connect this button to

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another port

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see after that, why are we going to do this,

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that is, because we need to

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free these two legs and connect

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two indicators to them, we lowered all this equipment

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down a little and connected it

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how to be 5 because later we

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plan to still connect 4

00:03:07

indicators and that’s it we have 0 1 2 or

00:03:14

not 2 I don’t know some kind of leg we

00:03:18

will need to fall under pulse-width

00:03:21

modulation but later

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the button will remain on pb-5, maybe

00:03:26

there’ll be a couple of three buttons we’ll

00:03:28

connect, we’ll see in general how

00:03:31

things go we’ll connect to p.p. .

00:03:35

fifth, now that means we will have

00:03:41

indicator 2

00:03:43

for now, for now this whole thing, remove another

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one like this, add just from here,

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click, add it

00:03:56

next to where we won’t, and let’s start

00:04:00

paralleling our legs like this, it

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’s better to start from here, since the

00:04:07

program will try to get here

00:04:11

in these stripes

00:04:12

we do not get into the stripes through one, we

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carefully connect the electrode and

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we will get that all the

00:04:26

cathode indicator legs of the same name

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will be united, that is, for example,

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we put a logical zero here, a

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segment will light up not only in this

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indicator but also in different, but this is in the

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event that we

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turn on the anodes at the same time and we wo

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n’t turn them on at the same time, so it

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will light up on one, then we give here

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another number, we need indicators for this

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and we give it here

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a plus sign, it will turn out like this, they will

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light up alternately like this so we connected the

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second indicator, now that means we need to

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come up with something else with our noname

00:05:20

anodes, in theory we should connect them to

00:05:25

other ports and alternately supply them with

00:05:28

positives, but we won’t do that, otherwise we’re

00:05:30

waiting for it why we’ll compress what, for

00:05:32

example, imagine here we have a light

00:05:35

on if there is an eight, then 7 vessels are running at the same time

00:05:38

0 and

00:05:41

that is, if we turn on the

00:05:45

sports one here, that is, plus 5

00:05:48

volts plus 3 3, it turns out that

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we have here somewhere around

00:05:54

20 milliamps on each leg they everything

00:05:59

will turn out to be 140 and

00:06:03

the circuit will be closed and here between

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this leg and the leg of the desk with which we

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will also supply a current of

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120 milliamps will flow, which is just a volumetric

00:06:21

sport,

00:06:23

so we will use transistors here with you,

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here we

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will take any transistors for In practice, for these purposes I

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used to use the good old KT315

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for aesthetic reasons, I stopped

00:06:42

using them, I use water transistors

00:06:49

marked VSS 8550, so they

00:06:55

have approximately the same characteristics,

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but they are new, they are a little different, their

00:07:00

coefficients are different and KT315, they are

00:07:03

already old, could be covered at any moment

00:07:05

let's go to the library

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for a transistor, here we have a

00:07:21

bipole

00:07:22

Armenia Logan even

00:07:26

generic and here is the pnp structure, that

00:07:31

is, we have an arrow or from here double

00:07:34

click and put a couple of them

00:07:38

somewhere here, let's

00:07:48

turn them over first let's turn it over on the

00:07:56

calculator on the keyboard by pressing plus

00:07:59

and then we will display it and mirror it like this, that is,

00:08:04

we need the emitter up and this is

00:08:07

what kind of emitter we will connect with you to

00:08:14

the tributary and the metro we will assemble to the plus in

00:08:20

this way and

00:08:28

we will connect the collectors so, in general,

00:08:35

your anode will turn out to be such a thing, well on the bases of

00:08:45

the transistors we

00:08:49

will hang a couple of resistors, well, here it’s

00:08:57

quite enough 2 kilos of smart

00:09:01

resistors are no longer needed and

00:09:07

our transistor is not needed at all and

00:09:10

they open, we’ll use 2 kilo ohms, this is how

00:09:18

we’ll get the decoupling

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this we’re here on the base in the second on

00:09:25

the corresponding the base of the

00:09:27

second transistor is like this and the legs are

00:09:33

this one 15

00:09:39

this one I’m reading the

00:09:42

wall of shame it turns out that we would be able to

00:09:47

connect 0 to this indicator

00:09:50

that will be responsible for the units of fallout

00:09:54

the lens is the one that will be responsible for the

00:09:58

tens so we have the whole circuit in theory

00:10:07

but just for fun, of course, you can

00:10:10

try to run it, well, it wo

00:10:17

n’t start at all, ours will submit it since

00:10:21

we didn’t apply it here, here’s our new

00:10:26

project, but I copied the whole old project into the new project,

00:10:30

the idea should be something here

00:10:42

right away,

00:10:43

here we have one that works, 2

00:10:49

why don’t they work it’s not clear why

00:10:59

this is the one

00:11:00

on it, the logical levels are all

00:11:03

present, okay, the main circuit we’ve

00:11:08

assembled, we’ll figure it out later why

00:11:10

it doesn’t work, here’s a circuit,

00:11:14

remember, in general, over time, I’ll post all this

00:11:18

on the site, and you can also see this same code and circuits

00:11:24

here here

00:11:31

is the circuit we have, this is the complete one I

00:11:34

drew, that is, the transistor here they are with

00:11:37

8550, both here

00:11:38

the resistor costs 2 kilo-ohms, here we

00:11:41

all have 220, I immediately connected them and the

00:11:46

points, here they are, too, to one electrode

00:11:53

through a regular one, this is the same 220 here

00:11:57

we have all the resistor here is our port d here p

00:12:01

p 0 on b1 here it is connected through a transistor like this,

00:12:06

in general, like this we have assembled a circuit

00:12:10

for dynamic display in turn, we

00:12:13

will submit non-logical ones here, plus

00:12:17

they threw together because this is we

00:12:20

got a circuit of

00:12:23

inverse transistors, here we use a

00:12:25

reverse structure, why does it

00:12:29

work better on ours? We will then

00:12:34

use a direct structure, which is

00:12:37

generally designed to work with a circuit

00:12:40

with a common minus npn structure, in general,

00:12:45

thank you all for watching the video, in general, like,

00:12:49

subscribe, write

00:12:53

comments to everyone Goodbye

Description:

Программирование на СИ в среде Atmel Studio. Продолжаем работу с семисегментным светодиодным индикатором, но уже в динамическом режиме. Собираем схему подключения. Приобрести программатор USBASP USBISP 2.0 можно здесь (продавец надёжный) http://ali.pub/1eigwp Семисегментный чертырехразрядный индикатор красный с общим анодом 10 шт http://ali.pub/1doaul Навигация по видео: 00:00 Интро 00:18 Динамическая индикация 02:10 Соберём схему в протеусе 05:14 Добавим транзисторы в схему Также рекомендуется посмотреть данные видео: Урок 2. Создание проекта в Atmel Studio 2 https://www.youtube.com/watch?v=g7d0IUXscOQ Урок 5. Мигающий светодиод https://www.youtube.com/watch?v=dqAe7g1pgbo Урок 6. Бегущие огни https://www.youtube.com/watch?v=dAYp0MjNcqM Урок 8. Семисегментный индикатор. Статическая индикация https://www.youtube.com/watch?v=lc4dWegGElQ Урок 10. Таймеры-счетчики. Прерывания https://www.youtube.com/watch?v=mLDZhHFGQsU Текстовая версия данной части урока и исходный код здесь https://narodstream.ru/avr-urok-11-dinamicheskaya-indikaciya-chast-1/ Группа в контакте http://vk.com/club116656325 Группа в Одноклассниках http://ok.ru/group/52987126153436 Группа в Facebook https://www.facebook.com/unsupportedbrowser Мой сайт "Программирование МК" https://narodstream.ru/ Форум https://narodstream.ru/forum Вы можете помочь проекту: ЮMoney https://yoomoney.ru/to/41001176473465 Webmoney Z341906933112 Карта Сбербанка (МИР) 2202201799288929 Можно в USDT 1) Сеть:TRC20 Адрес: TBBPFk5Widf1CYvF7Xk5ssKXeiPJHwtMgS 2) Сеть: BSC BNB Smart Chain (BEP20) (комиссия намного меньше) Адрес: 0x2e38754DF1e54649Bf0D5CD6fD6D8c96a9f22f17 3) Сеть: Huobi ECO Chain (HECO) (комиссия еще меньше) Адрес: 0x2e38754DF1e54649Bf0D5CD6fD6D8c96a9f22f17

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