In this article we look at an Ambient Light sensor, the LTR-303 and connect it to an Arduino Uno Sensor Information The LTR-303ALS is a low cost,small, I2C Ambient Light sensor. The LTR-303ALS comes in a 2.0×2.0×0.7mm 6pin DFN package. …
Category:
Learning
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In this article we look at a dot matrix display from keyestudio which is controlled by a HT16K33 The 8X8 dot matrix is composed of 64 light-emitting diodes, and each light-emitting diode is placed at the intersection of the row …
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On this page we look at Scratch for Arduino – s4a. We will be using a Keyestudio board which contains a variety of LEDs and analog inputs for testing. Scratch is a basic environment for learning development, you drag and …
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In this example we will write to the EEPROM which is on the micro controller of the Arduino The supported micro-controllers on the various Arduino and Genuino boards have different amounts of EEPROM: 1024 bytes on the ATmega328P, 512 bytes on …
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I recently tried out an example for a DS18B20 temperature sensor. The code example mentioned 2 libraries, so I went forward and downloaded them and imported them into my IDE but was disappointed to see an error like this when …
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In previous posts we showed some examples for the 4067 16-Channel multiplexer – Arduino and 4067 LED example The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages. The HCF4051 analog …
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The is a 16-bit, general purpose parallel I/O port expander for I2C bus applications. The 16-bit I/O port functionally consists of two 8-bit ports (PORTA and PORTB). The MCP23017 can be configured to operate in 8-bit or 16-bit modes. Lets …
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In this example we connect an Arduino to a L9110 fan module. This is a commonly found, basic low cost module which consists of an L9110 chip and a small motor attached. You need 4 connections between the arduino and …
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