After looking at the AntRunner scheme I saw on Bilibili, I decided to try and replicate it myself. However, when I checked the prices of individual 42-step reduction motors in the market, they ranged from 100 to 200 RMB, which was a bit too expensive for me as a struggling college student.
Are there any alternative power solutions that could be used to create a rotary system for a handheld Yagi antenna?
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