Off the shelf 3-digit Countdown circuit and LED badge for nexus. This is using ready-made electronics kits from Nixie Electronics; down counter module, 3-digit display and 555 LED flasher. Days after I bought them, they received a new version using PIC chips but with external clock pulse triggering (which is the same). Did not buy them as they costs RM4.00 more and I was out of budget. Plus, because its running PIC, I did not see any assembly codes in the instruction pack. Then again, they won't let me open the package unless I buy it first.
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