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Haejin Song
About Me
Hi, I am teaching some kids for science and computer as a volunteer.
1
illuminated_sensor
Switch
Resistor
Ldr
Led
Transistor
Battery
233
26 Apr 2023
2
basic_resist_and_bright_relation
Switch
Resistor
Lamp
Led
Battery
192
26 Apr 2023
425
Total Circuits Views
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