Category Archives: Sensor Modules

Using a 0.96 inch OLED Display with Arduino Microcontroller

0.96" OLED Display
In this article I will show how to use the small 0.96 inch OLED display with an Arduino Microcontoller board to build a very basic Weather Station.

Introduction to using the BMP180 barometric sensor with Arduino

bmp180 barometricsensor
The BMP180 barometric sensor (model GY-68) in the following two images is a very small module with 10mm x 10.1mm (0.039in x 0.043in) footprint. This guide is also applicable for other similar barometric sensors.

Using the HC-SR04 Ultrasonic Sensor with Arduino

The working principle of an ultrasonic sensor is simple and use high-frequency sound waves that are evaluated when the sensor received back the waves. To determine the distance between the robot and object, the sensor measure the elapsed time between sending and receiving the waves.

Using a Membrane Keypad with an Arduino

Membrane Keypad
With this tutorial, you will be learn to access any keypad, and have it interact with a microcontroller. You can salvage these keypads from old telephones or you can purchase them from most electronics store for less than $2. They come in wide variety of shapes and sizes. The most commons sizes are 3×4 and 4×4, and you can get keypads with with words, letters and numbers written on the keys.

Secure Access using MFRC522 RFID Reader with Arduino

This Article shows a simple example on how to use the MFRC522 RFID reader, with a quick overview of the specifications, and a demonstration project using an Arduino.

Beginnings of a Computer Controlled LEGO Train Layout

Modular Train Layout
For the last few weeks I have been putting together a Modular LEGO Train Layout. Each Module is based on a 900mm X 1200 X 6mm MDF board mounted to a 70mm X 20mm Timber Frame. The Module use a series of Dowls and Holes to join the Modules together. This arrangement allow for easy storage and transportation to LEGO Shows and Displays.

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