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A microcontroller typically consists of several basic components that enable its functionality and control. Here are the fundamental components found in a typical microcontroller: These basic components, along with additional features specific to the microcontroller model, form the foundation of its functionality, enabling it to perform tasks, interact with external devices, and execute programmed instructions….
Comparison of microprocessors and microcontrollers Microprocessor Microcontroller Functionality Performs general-purpose computing tasks Executes specific tasks and controls external devices Architecture Complex architecture Simplified architecture optimized for specific tasks Integration Requires external components Integrates CPU, memory, and peripherals on a chip Memory External memory components required On-chip memory (program memory and data memory) I/O Interfaces External…
Optocoupler An optocoupler, also known as an optoisolator, is an electronic device that provides electrical isolation between two circuits while allowing the transfer of signals or information through an optical channel. It consists of an input section (LED or infrared diode) and an output section (phototransistor, photothyristor, or photodiode) that are optically coupled together within…
Comparison of the ESP32, ESP8266, ESP12E, and ESP12F microcontroller modules: Parameter ESP32 ESP8266 ESP12E ESP12F Manufacturer Espressif Espressif Espressif Espressif CPU Dual-core Xtensa LX6 Single-core Xtensa LX106 Single-core Xtensa LX106 Single-core Xtensa LX106 Clock Speed Up to 240 MHz Up to 80 MHz Up to 80 MHz Up to 80 MHz Flash Memory 4 MB…
Comparison of the DHT11, DHT22, LM35, DS18B20, BME280, and BMP180 sensors: Sensor Temperature Range Humidity Range Accuracy Interface Price DHT11 0°C to 50°C 20% to 80% ±2°C Digital Low DHT22 -40°C to 80°C 0% to 100% ±0.5°C Digital Moderate LM35 -55°C to 150°C N/A ±0.5°C Analog Low DS18B20 -55°C to 125°C N/A ±0.5°C Digital Low…
Ceramic Capacitor A ceramic capacitor is an electronic component used to store and release electrical energy. It consists of a ceramic material sandwiched between two metal plates, acting as a dielectric. Ceramic capacitors are commonly used for filtering noise, decoupling, and stabilizing voltage in electronic circuits. Type of Ceramic Capacitor There are several types of…
For IoT beginners, below are 50 essential electronic components one must know This list covers a wide range of components commonly used in IoT projects.
What is ESP8266? Answer: ESP8266 is a low-cost Wi-Fi microcontroller developed by Espressif Systems. What is the operating voltage of ESP8266? Answer: The operating voltage of ESP8266 is 3.3V. What is the maximum clock speed of ESP8266? Answer: The maximum clock speed of ESP8266 is 80 MHz. What is the maximum data rate of ESP8266?…
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