This is very affordable small fan for small motor such as toy 3V motor.
RFID 125KHz ID reader which is widely used for RFID radio frequency identification systems and projects, such as automated parking management, personal identification, and production access […]
RC servo motor on 3.3V system like micro:bit or NodeMCU or NodeMCU 32, but most of the servo’s operating voltage starts from 4.8V
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