EEVblog 1669 - Agilent 53131A VFD to LED Display Upgrade MAILBAG

A mailbag replacement custom LED display for the Agilent 53131A VFD display frequency counter. www.hubequip.net Oven oscillator upgrade: https://www.youtube.com/watch?v=KmZwAjmzHx8 Playlist of related videos! https://www.youtube.com/playlist?list=PLvOlSehNtuHupdUJVYdRnihTTQ_Tw7MHt Forum thread on the display: https://www.eevblog.com/forum/testgear/hp-agilent-53131a-53132a-vfd-to-led-conversion/

Forum: https://www.eevblog.com/forum/blog/eevblog-1669-agilent-u53131a-vfd-to-led-display-upgrade-mailbag/

How VFD Displays work: https://www.youtube.com/watch?v=gZIRPJt69sM

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#ElectronicsCreators #Mailbag ... https://www.youtube.com/watch?v=FyTRrPWWF2s