Arduino Breathalyzer Using MQ3  Gas sensor and OLED Display

Arduino Breathalyzer Using MQ3 Gas sensor and OLED Display

Introduction Hi guys, Welcome to this tutorial. Today we will build a breathalyzer using the MQ3 gas sensor, an OLED display and Arduino. A breathalyzer is a generalized trademarked name for  devices used for determining blood alcohol content from a breath sample. This means the...

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IoD-09, An Intelligent WiFi-Enabled Display Module
LCD/OLED/ePaper

IoD-09, An Intelligent WiFi-Enabled Display Module

4D Systems, the manufacturer of intelligent graphics solutions, has announced a new 0.9” smart display module as part of the ‘IoD-09’ series. This series is a set of small full-color TFT display modules that feature the Espressif ESP8266 SoC. It also comes with microSD card slot...

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5.661
Views
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Details of Waveshare e-paper displays
Parts

Details of Waveshare e-paper displays

Erich Styger has a nice write-up on Waveshare e-paper displays: I have used E-Ink displays in projects three years ago, but from that time the technology has greatly evolved. That time displays were hard to get, expensive and difficult to use. Now things seem to change with e-ink...

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4.668
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How to drive Nokia 5110 84×48 LCD display with Arduino
Arduino

How to drive Nokia 5110 84×48 LCD display with Arduino

In the previous tutorial I showed how to build a weather station using DHT11 and BMP180 with an Arduino. However, the project has a downside which is the power consumption of the 16X2 LCD. If we were building a battery powered project with the desire to last for several weeks and...

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How to drive Nokia 5110 84×48 LCD display with Arduino

How to drive Nokia 5110 84×48 LCD display with Arduino

Introduction In the previous tutorial I showed how to build a weather station using DHT11 and BMP180 with an Arduino. However, the project has a downside which is the power consumption of the 16X2 LCD. If we were building a battery powered project with the desire to last for several...

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27.131 Views1 Comments
Four-Channel Thermometer on OLED display
SensorTest/Measurements

Four-Channel Thermometer on OLED display

David Johnson-Davies @ technoblogy.com build a four-channel thermometer that monitors the temperature at four temperature sensors, and gives a continuous readout on a small 128x32 OLED display. It's a useful project for various applications like PSU or PC monitoring. The article...

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5.204
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ESP32 WiFi Weather Station with a Nextion Display
Arduino

ESP32 WiFi Weather Station with a Nextion Display

Our friends at educ8s.tv uploaded a new video about how to build a ESP32 Wifi enabled weather station: In this video, we are going to make this. It is yet another weather station project I know, but this time we use the new ESP32 chip! We also use the new BME280 sensor which measures...

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11.428
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20 Segment Jumbo Size SPI BarGraph Display
Led

20 Segment Jumbo Size SPI BarGraph Display

Jumbo 20 Segment SPI (Serial) bar graph driver using 74HC595 serial to parallel converter IC and BC635 display driver transistor. This project is useful for application like Amusement machines, arcade gaming, voltage display, current display, pressure sensor display, temperature sensor...

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4.363
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