PIR Interfacing with NodeMCU
Overview of PIR Motion Sensor PIR sensor is used for detecting infrared heat radiations. This makes them useful in the detection of...
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DHT11 Sensor Interfacing with NodeMCU
Overview of DHT11 DHT11 sensor measures and provides humidity and temperature values serially over a single wire. It can measure the...
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LM35 Interfacing with NodeMCU
Overview of LM35 LM35 is a temperature sensor that can measure temperature in the range of -55°C to 150°C. It is a 3-terminal device that...
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RTC DS1307 Interfacing with NodeMCU
Overview of RTC DS1307 Real Time Clock (RTC) module is a device used to monitor time and maintain the calendar. To monitor the time using...
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MAX7219 7-Segment Display Interfacing with NodeMCU
Description The MAX7219 is a serially interfaced 8-digit LED display driver. It can be used to control up to 64 individual LEDs, or eight...
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16x2 LCD Display Interfacing with NodeMcu
Overview of LCD 16x2 The LCD (Liquid Crystal Display) is commonly used in embedded applications to display various outputs and parameters...
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OLED Graphic Display Interfacing with NodeMCU
Overview of SSD1306 OLED Display The OLED module shown in the above image is a very popular module available in the market. There are...
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WS2812 RGB LED with Color Picker via Nodemcu Web Server
Description The WS2812B is a popular RGB LED that is used in various lighting applications. It consists of a single LED package with...
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LCD16x2 (I2C Module) Interfacing with NodeMCU
Description LCD16x2 is widely used in embedded applications as a display. It is a 2-line display with 16 characters in each line. The...
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Analog Gauge Temperature Reading using Nodemcu Server.
Description In this guide, we will build a web server with the Nodemcu to display temperature sensor readings on the analog gauge. We...
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NodeMCU Publish Sensor Readings on Google Sheets.
Description In this guide, we’ll show you how to publish any sensor readings/data on a Google spreadsheet using the Nodemcu board. For...
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Magnetometer HMC5883L Interfacing with NodeMCU
Overview of Magnetometer HMC5883L is a 3-axis magnetometer which is used for measuring the direction and magnitude of the Earth’s...
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MQTT on NodeMCU- Publish- Subscribe Beginners Guide
Introduction MQTT is a lightweight publish-subscribe-based messaging protocol. It is quicker (faster) than other request-response based...
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HTTP Server on NodeMCU with Arduino IDE
Introduction The Hypertext Transfer Protocol (HTTP) is a standard application layer protocol that functions as a request-response...
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HTTP on NodeMCU- Beginners Guide
Introduction HTTP (Hypertext Transfer Protocol) is a standard Application protocol that functions as a request-response protocol between...
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HC-05 Bluetooth Module Interfacing with NodeMCU
Overview of Bluetooth HC-05 is a Bluetooth device used for wireless communication with Bluetooth-enabled devices (like smartphones). It...
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NodeMCU Erase Flash Memory (Factory Reset)
Description Recently, we are working on one project with NodeMCU and just wanted to change the SSID of the Wi-Fi access point. As usual,...
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NodeMCU I2C with Arduino IDE
Introduction to I2C I2C (Inter-Integrated Circuit) is a serial bus interface connection protocol. It is also called as TWI (two-wire...
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NodeMCU SPI with Arduino IDE
Introduction The Serial Peripheral Interface (SPI) is a bus interface connection protocol originally started by Motorola Corp. SPI...
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NodeMCU Setting Static IP Address
Description While Wi-Fi connection the router assigns the random IP address to the NodeMCU Board. This is because DHCP (Dynamic Host...
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