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. 2022 Jun 15;22(12):4532. doi: 10.3390/s22124532

Figure 14.

Figure 14

Experimental platform. 1. Host computer; 2. Stm32 MCU; 3. Solenoid valve; 4. Soft actuator; 5. DC power supply; 6. Triode amplifier circuit; 7. Relay module; 8. Proportional valve; 9. Vacuum generator.