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This cost-effective 433MHz wireless relay switch circuit allows remote relay control using an RF transmitter and receiver module. It is ideal for scenarios where wired connections are impractical or ...

The machinery inside of each human cell usually behaves like a dimmer, turning genes up or down as needed. A new analysis shows that hundreds of human genes shun the dimmer and act more like a light ...

Permanent magnet dc motors need a chunky inductor in series with them if they are fed from an SCR (thyristor) based mains power controller. It is (probably!) possible to safely interface an Arduino to ...

In today’s era of the Internet of Things (IoT), smart home automation has evolved from being a luxury to an accessible and essential part of modern living. This project demonstrates a scalable and ...

We have received the Seeed Studio 2-Channel Wi-Fi AC Relay for review. It is an IoT/Smart Home device featuring a 2-channel relay (wet contact) that operates over a WiFi network, and provides an ...

Today's lighting applications include residential lighting, office interior lighting, retail and display lighting, outdoor lighting, mood lighting, and emergency lighting. These applications have ...

This project started when a remote control was needed for a mistmachine with dmx512 interface. A dmx512 controller (Ayra OSO 240B) is the central part of a lightshow in the party cellar. But it is a ...

A nether portal on/off switch in Minecraft is a great mechanization process. It ensures your portal is properly maintained and prevents you from accidentally wandering into the nether region.

Apple tries to simulate the experience of a snapshot camera when you take a picture in the Photos app on an iPhone or iPad by issuing a little click sound. Many of us prefer to avoid that sound.

Watch products with ShopSavvy for price drops, stock alerts, deals and more. So, about the Presto Poplite Hot Air Popcorn Popper—you won't find an on/off switch on this one. To get it going, you've ...