May 2025
Intermediate to advanced
128 pages
6h 13m
English
Content preview from Make: Volume 93
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PROJECTS: Fiber Optic Faux Nixie
like. For the separator piece, do the same with
the tp_separator_rubber_cover and the test tube.
Optionally, you may cut the test tube down shorter
than the digits.
WIRING
Connect the JST or RGB wires from digit to digit,
stringing the digit PCBs from left to right, with the
single RGB LED for the separator in the middle,
as shown in Figure
F
. The diagram shows VCC
wires in red, Ground wires in black, and Data
wires in green.
Connect the last digit on the right to the D1
Mini development board as shown: VCC to the 5V
pin on the D1, Ground to GND, and Data to the D4
pin, as shown.
Finally, glue or pin the wires ...
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