There are several other quiz buzzer projects kicking around Hackaday if you’re interested. One of our favorites is this system which uses plastic bowls as the buttons.

Long Range Coverage: This wireless paging system allows you to reach customers or staff up to 984 feet away with beeps, vibrations and flashing alerts on 10 pagers and beepers. Easy to use ...

The man selling it swore the system worked perfectly ... this size for user convenience rather than necessity. Each pager has a buzzer, array of LEDs, and a small pager motor at its disposal ...

Power supply unit 110-240V input, 12V output to power whole system,can reduce the load of access controller, save wiring to reduce the hidden trouble.

Paging is a method of delivering a voice or data message, via a public communications system or radio signal, to a person whose exact whereabouts are typically unknown by the message sender. Users ...

Officials are still looking for ways to address areas of the county where county firefighters aren't receiving notifications on their pagers.

The agents who built the pagers designed a battery that concealed ... The website gave an address in Hong Kong for a company called Apollo Systems HK. No company by that name exists at the address ...

Commissions do not affect our editors' opinions or evaluations. A human resource information system (HRIS) helps companies manage the administration of their people. These systems are used by HR ...

Commissions do not affect our editors' opinions or evaluations. Enterprise resource planning (ERP) systems help companies in all types of industries manage and integrate essential business ...

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

A video promoting the AR-924 pager uploaded to the Apollo Systems HK YouTube account YouTube account on December 13, 2022. A video promoting the AR-924 pager posted to the Apollo Systems HK ...