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Простой определитель чередования фаз в 3-х фазной сети
Yura Dec 25,2022
Определение чередования фаз в трехфазных системах необходимо при наладке трехфазных электродвигателей, фазировке, правильности подключения измерительных приборов и т. д. Для определения чередования фаз применяются фазоуказатели. В профессиональной практике применяются фазоуказатели, созданные на основе миниатюрных электродвигателей или относительно сложных электронных приборов, работающих в большом диапазоне напряжений. В домашней практике необходимость в применении ФУ возникает редко. Но если в...
Christmas2022 Arduino DIY
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Электронный предохранитель для постоянного тока
Yura Dec 25,2022
Предназначен для работы в диапазоне 0,5 - 20А в цепи постоянного тока. Диапазон входных напряжений 5 - 30В. Порог срабатывания предохранителя устанавливается переменным резистором. Индикация текущего тока в нагрузке и порога срабатывания осуществляется с помощью семисегментного цифрового модуля.Ток в нагрузке измеряется с помощью датчика тока U4, основанного на эффекте Холла. С выхода датчика напряжение поступает на вход усилителя U5. Резисторы R5,R6,R7,R8 рассчитаны так, что численное знач...
Christmas2022 Arduino Display
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Milliohmmeter on Arduino
Yura Dec 25,2022
The current source is made on the operational amplifier U2 and field effect transistor Q1. The source has 2 modes. When measuring resistance in the range from 0.01 - 1 Ohm, the output current of the source is 1A. When measuring resistance from 1 to 20 ohms, the output current is 100mA. This is done to improve the accuracy of resistance measurements from 0.01 to 1 ohm and to avoid power dissipation when measuring resistance from 1 to 20 ohms. The current source is controlled by the SW1 button usi...
Christmas2022
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SPECIALIZED SPECTACLES WITH ARDUINO UNO
santhosh reddy Dec 24,2022
#define trigPin 13 #define echoPin 12 #define motor 7 #define buzzer 6 void setup(){pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); pinMode(motor, OUTPUT); pinMode(buzzer,OUTPUT); } void loop() { long duration, distance; digitalWrite(trigPin, LOW); delayMicroseconds(15); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); duration = pulseIn(echoPin, HIGH); distance = (100/2);&...
Arduino PCB
1017
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MULTI USE BOARD UNO Headers Minimalistic Speed Compatible
Kolski Dec 24,2022
This is the minimalist Multiple Use Board.It is Arduino UNO R3 compatible (except for voltages).To make is compatible you have to use the 16MHz crystal, the ATMEGA328P-PU, make the fuses match Arduino, load a boot loader for the UNO R3. Then connect an FTDI cable or breakout board that has DTR support. Alternatively, if your serial cable does not have a DTR signal you can press the reset button and let it go at the beginning of programming.
5th PCB Design Contest-Free Theme Arduino DIY
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I2C Test Data Sending Tool
Reboot Dec 23,2022
This tool allows selecting a data number with an OLED and rotary encoder.Then by pressing the button, the data is sent over I2C.If another project is configured to receive that data, it can be used as a software hook for testing/debugso a variable or other data can be tweaked from this tool, impacting the target project without having togo back to the work bench to change and upload software for every small adjustment.
Arduino Hardware Testing
874
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Modulo arduino nano per piante
Andrea Dec 23,2022
Con questo modulo si potrà controllare la temperatura l'umidità e il ph del terreno e dell aria vicino al vaso con la pianta, supporta un orologio per avvii automatici discontinui per risparmio energetico e un modilo bluetooth per comunicare i dati a un ipotetica app mibile.Alimentata da batterie ricaricabili con supporto da due pannelli solari.Essa in automatico potra dare da bere alla painta attraverso sensori h2o e un servo motore che all occorrenza fara passare laria in una bottiglia attrave...
5th PCB Design Contest-Earth Friendly Arduino Clock
951
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CammaProject - OLED MotoPillar
Dec 23,2022
I think of myself as a very lazy person (don't get me wrong, I hate being so), so everytime I need to do a repetitive task, especially if it's in my warm and cozy room, I try to automate as much as I can, that's why I thought about a motorized TV stand.This board works really easily, once the program is uploaded onto the chip, selecting on the display, using the 3 buttons on the top-left corner, the position you desire, it moves accordingly: it controls 3 motors (2 to control how far the monitor...
5th PCB Design Contest-Free Theme Home TV stand
522
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PIR Motion Activated Relay
Reboot Dec 21,2022
A PIR motion sensor module is used with this PCB to turn on a relay when motion is detected and the ambient light is not very bright.One use for this is to control a light to automatically turn on when someone enters a dark room.
ESP8266 Relay Sensor
1202
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MULTI USE BOARD UNO Headers Minimalistic
Kolski Dec 21,2022
This is a minimalistic design to make a board that is partially Arduino compatible. The incompatibility comes from the lack of voltage regulation and that USB programming is not supported. So only ICSP programming can be done. There are many ICSP (ISP) programmers available and Akerasoft also has one to sell. Using an official Arduino and the ISP programmer sketch and the Akerasoft shield is one way of programming this board. Note that this design is 12MHz.Updated to version 1.2.
Arduino ATMEGA328 12MHz
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