Surface-mount technology e submarine: o que têm em comum

1. Passo 1. Surface-mount technology — utiliza — Printed circuit board. Mounting on the board.
2. Passo 2. Printed circuit board — faz parte de — Remote control. Inside a remote is a circuit board with buttons and an infrared LED.
3. Passo 3. Remote control — tem como parte — Microcontroller. A microcontroller sends the codes.
4. Passo 4. Microcontroller — faz parte de — Parking sensor. A microcontroller calculates the distance.
5. Passo 5. Parking sensor — funciona como — Sonar. Echolocation in air.
6. Passo 6. Sonar — faz parte de — Submarine. Underwater acoustics.

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