Figure 2. Schematic wiring of the 8 LEDs. 2. Verify that you have wired things OK. Apply 5 V separately to each of the LED anodes, and you should see the respective LED light up. Do all the lights work? {Y es / No) Yes _._._._ If everything is working well, connect anodes of the LEDs to the shift register outputs for memory hits QA to Q3. ** Neat wiring is very important. **