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Signal generator

Velleman MK105: Signal Generator Minikit

Velleman MK105

DIY Signal Generator Soldering Project

The Velleman MK105 Signal Generator Minikit uses the classic 555 timer IC to offer you a selection of output signals. You just mount a jumper to select either a sine wave, triangle, square wave or integrator signal. The output level is adjustable from 0 to 100 mVrms through an on board potentiometer and the frequency is fixed at approximately 1kHz. The Velleman MK105 circuit is powered by a 9V battery.


  • Adjustable Output
  • Classic 555 timer IC


Power Supply 9 V Battery
Dimensions 2.2 in. x 1.6 in.

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