説明
Ref: Silicon Chip Magazine December 2005 Need people to take a number when waiting to be served? This electronic signalling device has digits 75mm high , each using 28 high intensity red LEDs. The numbers display from 00 to 99 is incremented by pressing a button on the separate small control box. The annunciator features a built in piezo buzzer to produce a short 'beep' each time the display is updated.
Product Specifications
- Kit includes:
- PCB, Case and all electronic components.
- Requires 12VDC power
- Main Box Size: 197 x 113 x 63mm
- Control Box size: 76 x 46mm
| Length : 19.5 cm | Width : 11 cm |
| Height : 6.5 cm |
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