UCCA Beijing

UCCA Makerlab: A Pencil That Lets You Draw Music

13:30 - 17:00

Location:  UCCA Workshop
Language:  Chinese and English


In this UCCA MakerLAB, we will turn a common pencil into a musical instrument–the screaming pencil. By running a current through it, the pencil will produce different pitches when drawing different lines. In essence, it creates a very simple musical synthesizer that uses the conductive properties of pencil graphite to create different sounds. The result is a fun toy that turns any piece of paper into a musical instrument.

【Relevant Technology】

Electric current flows from the pen point, passes through the trace of the graphite and returns to the chip to form a loop. Different lengths of drawing will cause different resistivity as well as different charge and discharge time of the capacitance. As a result, different chip oscillation frequencies drive the piezoelectric ceramic to produce different sounds.



Integrated chip

Wooden stand


Piezoelectric ceramic




Adhesive tape

Winding bar


About UCCA MakerLAB

MakerLAB is a joint education program run by Beijing Makerspace and UCCA. A series of workshops that celebrate the idea of learning by doing, MakerLAB brings together technology, design, and art. Every workshop consists of a 30 minute introduction and a 3-5 hour “making” session. Projects can be done individually or in teams.

Reservations required.

From Tuesday to Friday 11:00-18:00 please call +86 10 5780 0200 to book. Please note that you can only book 1 seat at a time.


Beijing Makerspace encourages social innovation and the development of physical and online communities where people can learn, share and work on open-source projects for public use.