1. The Relay based Multiplexer

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

3. Step one

4. Step 2

5. Step 3

6. 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
Binary= decimal=3

7. Activity 2 What are the binary numbers for:D?
What is the decimal number for H?
A=111, B=110, C=101, D=100, E=011, F=010, G=001, H=000
A=7, B=6, C=5, D=4, E=3, F=2, G=1, H=0