Classic Stop Light Night Light - Tested and Proven Design 3VDC - 5.5VDC
What is it?
A complete DIY kit for a real working traffic light that makes a fun night light. Children love it. The heart of the kit is the high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller. The firmware lights the Red and Green 10mm LEDs for 15 seconds and the Yellow 10mm LED for 5 seconds.
Why did you make it?
I wanted to offer a simple Do It Yourself kit that could introduce people to the wonderful world of hobby electronics. A kit that would be useful after it was built. And something fun as well as educational. Something a parent and their child could put together, or anyone who is just becoming interested in the hobby.
The kit includes:
Atmel ATtiny85-20PU microcontroller (1) running at 8MHz
8 pin DIP IC Socket Solder Type (1)
10mm LEDs Red (1), Green (1), Yellow (1)
150 ohm resistor (1)
Power Terminal Block 2 Positions 3.5mm (1)
2.6cm X 7.3cm Printed Circuit Board (1)
Power Options The best way to power your night is with a wall socket 5 volt power supply but you can also use a single 18650 Li-on rechargeable battery or AA batteries. The ATtiny85-20PU can run on 3VDC - 5.5VDC
What makes it special?
My friend invited me to his son's birthday party, and on the table with the cake and the presents was a novelty lamp that was a working stop light. And I saw how much fun the children were having with it. When they were going to the table for a piece of cake the light would change from green to red and the children would stop and laugh until the light turned green. It was so much fun.
The kit is so easy to build. In addition to the Atmel microcontroller the kit only uses 3 large 10mm LEDs and one resistor.
Cole | Feb. 11, 2016
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United States Postal Service: USPS First Class
1st class parcel shipping to U.S. locations - Will usually ship within 1 to 2 business days of receiving cleared payment .
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Electronics have always been fascinating to me. Things that get my attention are wireless weather sensors, clocks, lamps, motion activated devices, light activated devices, laser intruder alert systems, solar and wind power, voltage inversion and lots more. I was lucky enough to be born in 1957 which has allowed me to watch so much history as the years have passed. The NASA space program in the 1960s was so unbelievably exciting as they worked towards the goal of putting a man on the moon.
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