In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

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 ...

While searching for new products on AliExpress, I came across the SayoDevice OSU O3C, which looks very similar to other macro ...

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Renter's insurance (monthly) Some landlords require renters insurance. Even if they don't, it can be a smart way to protect your finances in case of a theft, fire, or other disaster. Broker fee If you ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jon Chase Jon Chase is an editor of smart-home coverage. For Wirecutter, he ...

E-readers are an awesome creation allowing you to display digital information in a way that requires little battery life. While there’s plenty of very impressive models to chose from on the ...

Authenticator apps are a multi-factor authentication (MFA) method for encrypting your online login credentials. Stay protected with the top MFA apps we've tested. I review privacy tools like hardware ...

Sometimes you really need to know what the weather is doing, but you don’t want to look at your phone. For times like those, ...