June 1, 2019 Low-powered living body detection A friend asked me to design a low-powered living body detection system for a rural farm in Indonesia. The constraints are no electricity and… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Mailbox checker As an online shopper, I need to regularly check my mailbox, 5 floors separated from home. It is really annoying to check whether a… Share this:TweetWhatsAppPrintEmail