In this article we look at the open-smart NFC shield, this is basically a MFRC522 based RFID Reader Module which has been added to a basic shield.
Arduino
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Arduino Uno Pinout Specifications Microcontroller ATmega328P Operating Voltage 5V Input Voltage (recommended) 7-12V Input Voltage (limit) 6-20V Digital I/O Pins 14 (of which 6 provide PWM output) PWM…
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THE MQ-3 is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG, CO. The sensitivity of the sensor can be adjusted by using the potentiometer.
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In this article we simply show you 4 examples using an RGB LED connected to an Arduino
The RGB led we had was a common anode type, so if you only have common cathode one’s available you will have to modify the code examples later on -
A common question which crops up is should I choose an Arduino uno or nano for my projects First of all lets look at the classic Arduino Uno The Arduino Uno…
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This is a basic ‘barebones arduino’, this is an Atmega328 based design. In this example we are externally powering the Atmega from a 5v source, this removes the need for…
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