In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

Most people see that garden shed as little more than a place to store some gardening tools in, but if you’re like [Dr. Semiconductor], then what you see is a potential cleanroom for ...

If you’re shopping for a 55-inch TV, you’re looking at what is arguably the sweet spot of the modern TV market. 55 inches is big enough to feel properly cinematic in most living rooms, but still small ...

Stay informed about the air quality in your city with real-time AQI updates. The AQI is a standardized measure that indicates how clean or polluted the air is, helping you understand potential health ...

John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...

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