This is one of the most clever smart air purifiers I've tested and it's on sale for $100
The Morento smart air purifier is effective in quickly cleaning the air, providing relief from allergens like dust and pollen, especially useful during allergy season.
Homemade OLED? This DIYer Built a High-Contrast TV From Scrap For Free - Yanko Design
The ingenuity of DIY Perks lies in repurposing an old DLP projector with a broken LCD TV, achieving contrast levels that challenge modern OLED technology.