Potentiometer

PID Closed-Loop Control Experiment Based on STM32F1 Series: Potentiometer Knob Drive

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PID Closed-Loop Control Experiment Based on STM32F1 Series: Potentiometer Knob Drive

We use ADC2 to implement the potentiometer knob. Potentiometer Knob Initialization Code.c void PotentiometerKnob_Init(void){ /* Enable clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE); // Enable ADC2 clock RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); // Enable GPIOA clock /* Set ADC clock */ RCC_ADCCLKConfig(RCC_PCLK2_Div6); // Select clock division 6, ADCCLK = 72MHz / 6 = 12MHz /* GPIO initialization */ GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Mode … Read more

Arduino Basic Experiment 6: Voltmeter Experiment

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Arduino Basic Experiment 6: Voltmeter Experiment

The Arduino UNO has analog input pins (A0-A5) that are equipped with a 10 bit Analog-to-Digital Converter (ADC), allowing it to convert analog voltage values from 0 to 5V into integer digital values ranging from 0 to 1023 . This experiment will learn how to use Arduino to create a simple voltmeter.1. Experiment Materials 1. … Read more

Driving a 1602 LCD with Arduino

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Driving a 1602 LCD with Arduino

Writing information to the LCD screen. Making the LCD display your own information not only brings satisfaction but is also very useful. Required Components – Arduino circuit board – breadboard – jumper wires – 1602 LCD screen (compatible with Hitachi HD44780) – 50k ohm potentiometer Required Arduino Libraries • LiquidCrystal Working Principle We will use … Read more

How to Draw a Switch Potentiometer Symbol

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How to Draw a Switch Potentiometer Symbol

Common Symbols for Potentiometers The resistance of a potentiometer, also known as its nominal value, refers to the resistance between its two fixed ends. The common symbols for potentiometers are shown in Figure 3. Switch Potentiometer Symbol 1. Enter the main interface of Multisim and directly select the icon button. 2. Next, click on BASIC_VIRTUAL. … Read more

Variable Frequency High-Slope Filter Using Potentiometer or DAC

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Variable Frequency High-Slope Filter Using Potentiometer or DAC

Click the above “Easy Learning Electronics” to easily learn electronic knowledge by following us. Easy Learning Electronics Subscription Daily updates on technical articles in the electronics industry and the latest information on microcontrollers for easy learning anytime, anywhere. Analog variable frequency filters require the use of variable passive components. The steeper the filter slope, the … Read more