Category Archives: Internet of Things


Heart rate monitoring over the internet using ESP8266

Pulse meter

With the rapid development and maturing of internet-of-things (IoT) technology, the IoT-driven smart sensors and systems are changing business in multiple industries. In healthcare industry, it is gaining more attention lately because of its immense potential in reducing the cost of tracking health information, as well as in providing health care to people who were not able to receive it before. This project describes a simple remote heart rate monitoring system based on the ESP8266 platform and the Easy Pulse Plugin sensor module. The ESP8266 reads in the analog photoplethysmograph (PPG) output from the Easy Pulse sensor, computes the heart beat rate in real time,

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An IoT monitor for your laundry room

Arduino IoT monitor for laundry rooms

An IoT-enabled monitoring device for laundry rooms to provide an alarm and phone feedback when a water leakage is detected. It also monitors dryer vent for over temperature conditions and also notifies about the washer and dryer cycle completion. It uses Arduino, Ethernet shield, Blynk app and bunch of sensors.   This started as a quick project to provide an alarm and phone notification when a water leak was detected in our second floor laundry room. A couple of years ago the drain hose from the washer somehow came out of the drain and the water made a bit of a

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ESP8266 weather station with e-paper display

ESP8266 weather station with e-Paper display

A very cool-looking weather station using the ESP8266 WiFi module chip and a high resolution 7.4″ a-Si TFT active matrix Electronic Paper Display (EPD) module from Pervasive Displays shared by andrei7c4. The weather data are gathered from OpenWeatherMap service. Most of the time the device stays in deep sleep mode consuming only 18 µA. While updating the weather power consumption varies from 80 to 150 mA. Update operation takes a few seconds, depending on WiFi router, DHCP server and internet connection speed. With 30 minute update interval 3000 mAh battery should last for a few months on one charge.

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PC stat monitor using ESP8266/Arduino

ESP8266 PC stat monitor

There are tons of PC applications you can install on your PC for monitoring essential stats for CPU, disk, memory, system temperature, etc. Here is a standalone hardware project that would receive the PC stat via USB port and display it on a dedicated 2.8″ TFT display. The project uses an ESP8266 hardware and a touchscreen-enabled ILI9341-based color LCD. On the PC side, a Python script gathers PC stats and send the data to the ESP8266 via USB-UART interface. With the built in WiFi capability of ESP8266, the PC stat can also be broadcasted over WiFi to a remote cloud

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Tutorial 5: Setting up an ESP8266 Web Server

ESP8266 Webserver setup tutorial

In this tutorial, we will explore how to setup an ESP8266 web server to serve an webpage that can be displayed on a client’s browser. The client can be any other computer, smartphone, or tablet connected to the same WiFi network. The webpage will also provide an user interface to allow you to toggle an I/O pin of the ESP8266 hardware. Hardware Setup There is nothing much to do in the hardware setup of this experiment. In your EasyESP-1 board, all you need to do is to connect the LD1 pin to D1 pin using a jumper cable. This will connect the

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