About Johan
#Teacher of #math and #technology, both for upper secondary and as a #TeacherEducator. Sometimes I build, make, repair or improve stuff (I void warranties), once in a while I'll post about it.
When I don't build or destroy stuff I usually sing.
I have nerdy tattoos.
Might write in Swedish or English.
#maker #repair #nerd #lärare #skola #vandring #music #3dprinting #arduino #electronics #didgeridoo #cykling #körsång
SD är nazister i kostym.
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