The Chargepoint cards used to activate the Chargepoint EV charging stations without a cellular connection use RFID tags - you just swipe...

The Chargepoint cards used to activate the Chargepoint EV charging stations without a cellular connection use RFID tags - you just swipe them in front of the stand and the plug unlocks. It's one of those ideas seems cool in theory, except that the RFID tag keychain cards they provide are very filmsy, and if you leave them in your pocket for any length of time the lamination comes ap...

Disney theme park customers have special RFID bands, called MagicBand, helping them use the parks. A 13-month old Wired article called this a...

Disney theme park customers have special RFID bands, called MagicBand, helping them use the parks. A 13-month old Wired article called this a $1B bet on their MagicBands, but such an expenditure would have been more on the back end, rather than on the bands themselves. https://www.wired.com/2015/03/disney-magicband/ At the time, Disney was quite forthcoming with tech details, photos and t...

Been a long time since I last looked at a 555 datasheet but it seems they are more capable than I ever imagined. Now that many processors are...

Been a long time since I last looked at a 555 datasheet but it seems they are more capable than I ever imagined. Now that many processors are on 52 week lead times we can squeeze more from of ol' faithfulls? 2 Applications ? Fingerprint Biometrics ? Iris Biometrics ? RFID Reader Do not scrimp by using the vanilla LM555 which la