Same used in sensormatic store theft alarms tags also its similar to old IBM
memory core latching (OU)
cut one tag open and you will find 2 metal strips roll one million of them to create a big coilbanger coil core and there she goes!
---In [email protected], <mkjekyll@...> wrote :
https://www.ecnmag.com/article/2018/06/achieving-energy-harvesting-wiegand-effect https://www.ecnmag.com/article/2018/06/achieving-energy-harvesting-wiegand-effect