05Sep

ESP32 with DHT11 and BLYNK Dashboard

ESP32 and DHT11 with BLYNKESP32 and DHT11 with BLYNK: A Step-by-Step GuideHardware Setup:ESP32 Board: Obtain an ESP32 development board (e.g., ESP32-WROOM-32).DHT11 Sensor: Acquire a DHT11 temperature and humidity sensor.Breadboard: Use a breadboard to connect the ESP32 and DHT11.Resistors: Prepare 4.7kΩ resistors for the DHT11's data and VCC pins.Jumpers: Use male-to-female jumpers to connect the components on the breadboard.Wiring Diagram:ESP32 Pins | DHT11 Pins ------------|----------- 3.3V | VCC GND ...

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ESP32 with a 2-channel relay module
05Sep

ESP32 with 2-channel relay module

ESP32 with 2-Channel Relay Module: A Beginner's GuideIntroductionThe ESP32 is a powerful microcontroller that has gained immense popularity due to its low cost, high performance, and versatility. One of the common applications of the ESP32 is controlling external devices using relays. In this blog post, we'll explore how to connect and control a 2-channel relay module with an ESP32.Understanding the ComponentsESP32: A low-cost, high-performance microcontroller with built-in Wi-Fi and Bluetooth capabilities.2-Channel Relay Module: A module with two relays that can...

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05Sep

ESP32 with a BMP280 sensor

ESP32 with a BMP280 sensor:Hardware Setup:Gather the necessary components:ESP32 development boardBMP280 sensor moduleJumper wiresBreadboard (optional)Power supply (3.3V or 5V)Connect the BMP280 to the ESP32:Connect the VCC pin of the BMP280 to the 3.3V or 5V output of the ESP32.Connect the GND pin of the BMP280 to the ground pin of the ESP32.Connect the SCL pin of the BMP280 to the SCL pin of the ESP32.Connect the SDA pin of the BMP280 to the SDA pin of...

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05Sep

ESP32 with an MQ-135 gas sensor

ESP32 with an MQ_135Hardware Setup:Gather the necessary components:ESP32 development boardMQ-135 gas sensor moduleJumper wiresBreadboard (optional)Power supply (3.3V or 5V)Resistor (e.g., 10kΩ)Connect the MQ-135 sensor to the ESP32:Connect the VCC pin of the sensor to the 3.3V or 5V output of the ESP32.Connect the GND pin of the sensor to the ground pin of the ESP32.Connect the output pin of the sensor (usually labeled "OUT") to an analog input pin on the ESP32 (e.g.,...

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05Sep

ESP32 with a 0.96-inch OLED display

ESP32 with a 0.96-inch OLED display:Hardware Setup:Gather the necessary components:ESP32 development board0.96-inch OLED display moduleJumper wiresBreadboard (optional)Power supply (3.3V or 5V)Connect the OLED display to the ESP32:Connect the VCC pin of the OLED display to the 3.3V or 5V output of the ESP32.Connect the GND pin of the OLED display to the ground pin of the ESP32.Connect the SCL pin of the OLED display to the SCL pin of the ESP32.Connect the SDA pin...

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