Collaborate Disseminate
We live in the information age where access to the internet is considered a fundamental human right. Exercising this right does largely rely on the technological advances made in optical communication. Using light to send information has a long history: …read more
Hackaday editors Mike Szczys and Elliot WIlliams get together for the 47th and final Hackaday Podcast of 2019. We dive into the removable appendix on Prusa’s new “Buddy” control board, get excited over the world’s largest grid-backup battery, and commiserate about the folly of designing enclosures as an afterthought. There’s …read more
Connecting your shiny new ESP8266 to WiFi can be as simple or as complicated as you please. Most people decide to manually add it. Some people find clever ways to make the bloody thing connect itself. [Eduardo Zola] transfers his WiFi password using the flashing light of a smartphone screen.
A simple photo-resistor and a bit of tinkering allows him to easily send credentials — or any data really — to his ESP8266, through the power of LiFi. Short for Light Fidelity, LiFi transmits data using light with on and off states representing digital values. It can use visible light, …read more
This novel technique makes white light out of blue light, allowing for data rates of up to 2 GB/s. Continue reading Researchers Set New Record for Data Transmission Using LED Light