Category Archives: Hardware

How to use a Soil Moisture Sensor with Arduino

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 Soil Moisture Sensor for Arduino

Soil Moisture Sensor for Arduino

If you are building a system to irrigate your plants automatically monitoring the soil moisture is more reliable than set watering cycles, so that only watering when your plants need, avoiding problems by overwatering. Here we will explain how to use one of these soil moisture sensors to Arduino.

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How to use a Waterproof DS18B20 temperature probe with Arduino

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Waterproof DS18B20 temperature probe.

Waterproof DS18B20 temperature probe.

If you are automating a hydroponic system, aquaponic or just an aquarium, you know that have monitored the water temperature is critical to your system stays in top condition. Among the variety of submersibles temperature probes find a solution based on digital DS18B20 sensor. Here we explain how you can use with Arduino.

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How to use the Arduino Ethernet Shield

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Arduino Ethernet Shield

Arduino Ethernet Shield

Among the different ways to communicate with an Arduino, one is to use an Ethernet Shield will allow us to our Arduino to behave as a server or a client. Here we explain it up and running in a basic way.

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How to use an ATX power supply to powers your projects

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ATX breakout board bench power supply.

ATX breakout board bench power supply.

One of the first tools you need to build your electronics lab is a power supply. If you do not have much money to invest you can recycle a  ATX power supply through this board.

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How to use a relay module with Arduino

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4-Channel relay module

4-Channel relay module

To control voltage fed else than we can use Arduino devices most common method is by relays. The relays provide us with electrical isolation between Arduino and the device in question we want to control such a lighting system, an engine AC or DC. Thus by means of Arduino digital pins we put on and off electrical appliances with a 0 or a 1.

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Real consumption of LED grow lights

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LED grow lights

LED grow lights

We can now find a variety of bulbs intended for indoor growing, but do you really get what we are offering?

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