In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 LoRa module. The device measures temperature, humidity, pressure, and gas ...
A Wi-Fi-chipped watch with a single purpose: kicking people off their local networks with a deauthorization command A Wi-Fi-chipped watch with a single purpose: kicking people off their local networks ...
There’s no shortage of cheap weather stations on the market that pull in data from several wireless sensors running in the 433 to 900 MHz range and present you with a slick little desktop display, but ...
With the name Smarter, you might expect a network-connected kitchen appliance maker to be, well, smarter than companies selling conventional appliances. But in the case of the Smarter’s ...
To discourage cheating, high schools and colleges limit what gadgets can be brought into an exam, and they require students to use very basic calculators if math is involved. But that doesn’t mean ...
It’s not something you often give a lot of thought to, but the modern consumer laptop battery is a pretty advanced piece of technology. Not only does it pack several dozen watt-hours of energy into a ...
About 20 years ago I recycled and modernized a very old nixie clock built by my father in the 70's, with an 87C51 and a DCF77 module which replaced digital ICs and 50Hz derived timebase. About 20 ...
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