László Bagó
HUNGARY • + Follow
Components
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10104110-0001LF |
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KP-2012SECK |
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PMBF170,215 |
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FYLS-0805HRC |
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HEF4047B |
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CL21A106KOQNNNG |
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CR-05FL7---4k7 |
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CR-05FL7--1M |
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CR-05FL7--200K |
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CC0805KRX7R9BB473 |
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Description
Two-coloured Christmas tree
I created it as a minimalistic Christmas gift to friends and relatives, and I am quite pleased with the result - the transition is smooth, other colours can be implemented by changing the LEDs and the resistors, and only a small number of components is needed. Power consumption is also minimal, so there is no heat build-up, and it can be on all day.
The transistor count could be reduced, but they look like little ornaments on the tree so I left them as they were :) Soldering the Micro USB can be tricky (you have to bend the leads and elevate it a bit) but it's not a challenge for an experienced solderer.
Dec 30,2020
1,224 views
Two-coloured Christmas tree
Astable multivibrator and a period of ~50 seconds - smoothly transitioning from red to orange and then back again. power: Micro USB 2.0
1224
3
0
Published: Dec 30,2020
Standard PCB
PCBWay Donate 10% cost To Author
Under the
Attribution-ShareAlike (CC BY-SA)
License.
Raspberry Pi 5 7 Inch Touch Screen IPS 1024x600 HD LCD HDMI-compatible Display for RPI 4B 3B+ OPI 5 AIDA64 PC Secondary Screen（Without Speaker）
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