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Smd happy face

Velleman MK141: SMD Happy Face Minikit

Velleman MK141

The Velleman MK141 LED Happy Face Electronic Project Kit

The Velleman MK141 SMD Happy Face is a great kit for introduction to SMD (Surface Mounted Device) soldering. The 2 SMD LEDs flash alternately as the capacitors charge and discharge. Turn your MK141 into a necklace or fasten it to your backpack. This basic electronics kit comes with all the components to build a happy face, plus a few spare components.



  • Power supply: 3V Li button cell
  • Power consumption: 5mA approx.
  • Dimensions: Ø1.1 x 0.3"


Additional Information

Difficulty Level 2


Assembly manual

Info Sheets

Overview of Velleman modules that are equal to D.I.Y Kits
This sheet is useful when you want to know which modules you could find in the do-it-yourself range of Velleman Kits and minikits.

 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product