On the first day, we experimented with CircuitLab to get familiar with how to make the circuit. However, we still faced many challenges with the circuit design. So to become more comfortable with the circuit design, we started off by creating our truth tables and boolean expressions for each of the given LED Lights and the Sound Alarm, where the inputs were the number of symptoms present and the outputs were the designed colour lights for each condition. We decided to use three NOT gates and then an AND gate for the Green LED. The logic behind this was that the AND gate gives an output of 1 only if all the three inputs are 1, i.e, true. However, the condition we wanted to check for was whether they had no symptoms. Therefore, we decided to use the NOT gates before the AND gate. We decided to use two NOT gates and then an AND gate for the Yellow LED. We wanted to look for whether they had a single symptom or not and we figured this was the best combination we could think of. After which, we followed a similar logic pattern for the Red LED and the sound alarm. After connecting all the wires, and adding the switches we decided to a battery source. After which, we modified the circuit slightly to make it more clearer.

We decided to come up with the main sections, which included the introduction, introduction to simple circuits, their design process and a few examples followed by the same for complex circuits and the conclusion. We then divided these sections up among ourselves to get the work done efficiently.