A B.Tech (Computer Science) engineer turned writer, Varun has over 7 years of experience in tech journalism. He started his journey by writing for various publications like Beebom and Mr. Phone, ...

While we are used to USB WiFi adapters, embedded devices typically use SDIO WiFi cards, and for good reasons – they’re way more low-power, don’t take up a USB port, don’t require a power-sipping USB ...