MAX30100 Pulse Oximeter Interfacing with NodeMCU
Description The MAX30100 Pulse Oximeter is a medical device that is used to measure blood oxygen saturation levels, heart rate, and pulse...
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PWM in ARM LPC2148
Introduction Pulse Width Modulation (PWM) is a technique by which width of a pulse is varied while keeping the frequency constant. A...
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LPC2148 DAC (Digital to Analog Converter)
Introduction to DAC Digital to Analog Converter (DAC) are mostly used to generate analog signals (e.g. sine wave, triangular wave etc.)...
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ADC (Analog to Digital Converter) in ARM LPC2148
Introduction to ADC Analog to Digital Converter(ADC) is used to convert analog signal into digital form. LPC2148 has two inbuilt 10-bit...
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LPC2148 (32-bit ARM7TDMI-S processor) GPIO Ports and Registers
Introduction to GPIO General-purpose input/output (GPIO) is a pin on an IC (Integrated Circuit). It can be either input pin or output...
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Getting started with ARM LPC2148 using Keil uVision IDE
There are various development environments available in the market for ARM processors. Some of these are mentioned below : CrossWorks for...
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ESP32 IOT Dashboard.
Description This guide provides you with step-by-step instructions on creating an IoT dashboard using an ESP32. The dashboard allows you...
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ESP32 Web Server using SPIFFS (SPI Flash File System).
Description As we know the ESP32 has its Serial Peripheral Interface Flash File System (SPIFFS). SPIFFS stands for SPI Flash File System...
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Analog Gauge Temperature Reading using ESP32 Server
Description In this guide, we will build a web server with the ESP32 to display temperature sensor readings on the analog gauge. We will...
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Control the LED using Whatsapp message with ESP32
Description We can program ESP32 for controlling an LED using Whatsapp messaging remotely. Messages contain light on / light off commands...
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Temperature Alert on WhatsApp using ESP32
Description Let’s build WhatsApp Temperature Alert System using ESP32. For Temperature measurement, we will use the DS18B20 temperature...
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Thermocouple Sensor Interfacing with NodeMCU
Description A k-type thermocouple is a type of temperature sensor that is commonly used for industrial and scientific applications. It...
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Temperature Alert on Telegram using ESP32
Description Let’s build Telegram Temperature Alert System using ESP32. We will use the DS18B20 temperature sensor as an example. It is a...
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Temperature Alerts on Email using ESP32
Description Let’s build Email Temperature Alert System using ESP32. We will use the DS18B20 temperature sensor as an example. It is a...
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ESP32 OTA Programming using Arduino ide.
Over-the-air (OTA) programming is a method of updating firmware on a device without having a physical connection to the computer. It is...
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BMP180 Barometer Sensor Interfacing with NodeMCU
Description The BMP180 is a popular digital barometric pressure and temperature sensor developed by Bosch Sensortec. It is designed to...
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Send a WhatsApp message using ESP32
Description What is WhatsApp? As we all know, WhatsApp is a popular messaging application that allows users to send text messages, voice...
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Control the LED using Telegram message and ESP32
Description What is Telegram? Telegram is a cloud-based instant messaging platform and communication app. It allows users to send and...
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Send a Telegram message using ESP32
Description What is Telegram? Telegram is a cloud-based instant messaging platform and communication app. It allows users to send and...
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ESP32 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 ESP32 board. For...
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