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The Relay based Multiplexer

The Relay based Multiplexer. Populate Common Parts. D1Back EMF dampener LED1 LED2 Output 3 pin header R1 470ohm R2 470ohm SW1 3 pin header SW2 3 pin header RL1 Relay. Populate Sensor-MUX Qty4. R3 TBD R4 TBD R5 TBD R6 TBD R7 TBD R8 TBD. Populate MUX main tree Qty3.

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The Relay based Multiplexer

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  1. The Relay based Multiplexer

  2. Populate Common Parts • D1Back EMF dampener • LED1 • LED2 • Output 3 pin header • R1 470ohm • R2 470ohm • SW1 3 pin header • SW2 3 pin header • RL1 Relay

  3. Populate Sensor-MUX Qty4 • R3 TBD • R4 TBD • R5 TBD • R6 TBD • R7 TBD • R8 TBD

  4. Populate MUX main tree Qty3 • SW1 3 pin header • SW2 3 pin header

  5. Jumper Cables

  6. Assemble the boards-Parts • 3 SPST switch harnesses • 1-9v battery harness • 10-3 wire connectors • 4 Sensor boards • 3 standard boards

  7. Step one • Connect switch to topmost board SW1 • Connect SW1 to SW2 on next board down • Continue on remaining 2 boards

  8. Step 2 • Connect switch to topmost board SW1 • Connect SW1 to SW2 on next board down • Connect first row of boards to second row as shown

  9. Step 3 • Connect last board, switch and battery as shown.

  10. Activity 1 • If a green light indicates a zero, • and a red light indicates a one, • What binary number will select input E? • What is that in decimal?

  11. Activity 2 • What are the binary numbers for: • A? • B? • C? • D? • What is the decimal number for H?

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