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An electronic project: Designing and creating your own Sensor Hub using multiplexers

The Smart Gardening system project was my attempt at exploring IoT and edge computing with Lego to see what I can create from scratch. Shortly after the project went live, I realised that there are a limited number of analog pins available on the Arduino that I can use with analog sensors. It inspired me … Continue reading An electronic project: Designing and creating your own Sensor Hub using multiplexers

An IoT project: Monitoring soil moisture (Phase 3) – Adding Watering Capability (Part 2)

In the previous articles, we covered the implementation of a water pump station as a separate module and did some discovery works on adding WiFi capability for the Soil Moisture Monitoring system. They can be found here and here respectively. In this article, we will continue to look at integrating the water pumping system with … Continue reading An IoT project: Monitoring soil moisture (Phase 3) – Adding Watering Capability (Part 2)

An IoT project: Monitoring soil moisture (Phase 3) – Adding Watering Capability (Part 1)

In the previous articles, we covered the development of a soil moisture sensing system and the addition of a WiFi module so that the soil moisture information could be sent out. Phase 1 of the project is covered here while Phase 2 (Part 1) is covered here. If you are wondering why there’s no part … Continue reading An IoT project: Monitoring soil moisture (Phase 3) – Adding Watering Capability (Part 1)

An IoT project: Monitoring soil moisture (Phase 2) – Adding WiFi capability (Part 1)

In phase 1 of the project, we implemented a soil moisture monitoring device that was capable of only telling us the moisture level of the soil through an OLED display and buzzer. For phase 2, we will be implementing WiFi connectivity for the Arduino so that it could start sending data to a central location. … Continue reading An IoT project: Monitoring soil moisture (Phase 2) – Adding WiFi capability (Part 1)


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