EEI TECHNOLOGY VFD Series DL18-0615 TCXO clock

• It’s the same model that a certain JS sells for 199.
• Using high-precision and low-cost TCXO RTC, the annual error is as low as less than half a minute.
• The improved Cuk power supply solution can use Boost chip instead of LM2611 to reduce production costs and lower power consumption.
• Dynamic refresh effect (digital refresh produces coherent changes).
• There are not many functions, but we use V!!!F!!!D!!!, it looks good and that’s it.
• How to adjust the time: Press the setting key, which will jump to the time setting interface. Press the selection key to perform the transposition operation. Press the up and down keys to add or subtract the value. Finally, press the selection key until all numbers flash. Press again. Setting button, the time is set.
• Program burning method: Use STLINK UTILITY (click download and then press reset, otherwise the connection will not work).
• Of course, you can also purchase our finished products or kits, purchase link: ( click here to purchase ), thank you for your support!
• The screen is very cheap. You can get it from the author and get it for free if you pay the postage (limited to 1pcs).

Notice

• The color can be changed through a filter (for blue light, use a blue filter, and to display white light, use a wine-red filter, but the brightness will be attenuated).
• This project is for personal DIY and learning purposes only. Any commercial activities (public sale of engineering documents and finished products) are prohibited. Slight modification (such as removing the LOGO) and sale are also not allowed.

Assembly instructions

materials needed:

• 1x motherboard 1x filter board 1x panel 1x back panel 4x 6x6 keycaps
• 4x M3 12+6 copper posts4x M3 8+6 copper posts
• 4x M3 5MM hollow copper post 4x M2 nut
• 4x M3 6MM screws 4x M2 6MM screws

• Install the filter plate using M2 screws and nuts.

• Install 12MM copper columns

• Connect the front panel to the motherboard

• Install 8MM copper posts on the back of the motherboard.

• Install keycaps

• Install the back panel using 5MM hollow studs

Assembly is complete!

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Demo video