Amal Mathew
Published © CC BY

The Light Badge

The Light Badge is an electronic kit which utilizes an LDR to detect lowering light levels and light an LED once it gets dark.

IntermediateFull instructions provided2 hours81
The Light Badge

Things used in this project

Hardware components

CR2032 coin cell and Holder
×1
slide Switch -11.6×4 mm
×1
LED,1206 SMD package -6 (Any colour)
×1
100K Resistor ,1206 SMD Package
×1
LDR
×1
BC547 Transistor
×1
Custom PCB
Custom PCB
I designed a key chain sized PCB for this project and got it manufactured by allpcb.com
×1

Hand tools and fabrication machines

Tweezers, SMD Soldering/Desoldering
Tweezers, SMD Soldering/Desoldering
Soldering iron (generic)
Soldering iron (generic)
Solder Wire, Lead Free
Solder Wire, Lead Free
Mastech MS8217 Autorange Digital Multimeter
Digilent Mastech MS8217 Autorange Digital Multimeter

Story

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Schematics

Schematics

Code

Design Files

Credits

Amal Mathew

Amal Mathew

18 projects • 53 followers
Maker | Open source ❤️| Engineer 👉🏽Technology for the Sake of Humanity

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