Spooky Fading LED Eyes PCB BoardDesigned by Blue Monkey Dev in United States of America
What is it? Simple PCB board (or optionally Kit) to fade LEDs using fairly lower power. I designed this circuit to be embedded into a prop, like a Halloween pumpkin or spooky rat. Can easily run for …Read More…
Simple PCB board (or optionally Kit) to fade LEDs using fairly lower power. I designed this circuit to be embedded into a prop, like a Halloween pumpkin or spooky rat. Can easily run for months on a single 18650 cell.
Using a microcontroller, like an Arduino, to fade an LED is not always the best option. Sometimes, you want a simple, low powered circuit that can be embedded directly into a prop while running from a battery for weeks at a time.
After testing about a dozen prototypes, I developed this circuit that works extremely well and is simple to implement, tweak, and embed inside of almost anything. This circuit will run on as little as 3.5 volts making it ideal for a lithium-ion battery, 5V USB, a button cell, or a small AA battery pack.
Using all standard components that you probably already have in your parts bin. Very easy to build project.
Key components needed (ONLY included if you buy the Complete Kit):
NPN Transistor (2N2222 or similar)
1N4007 Diode (or similar)
Various Resistors & Capacitors
You can use a micro-usb (optional) or a screw terminal to power the circuit. Because it is lower power and can be run from a variety of voltages, you can use anything that fits your project design.
If that micro-usb makes you nervous, just send me a note and I'll solder it on for you
Message me if you have any questions.
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Sioux Falls, SD, United States of America
Ships from United States of America.
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