WEEK 12 : MEET SUPERVISOR/RESEARCH

MEET SUPERVISOR/RESEARCH

Date: 29/4/2019 (Monday) – 3/5/2019 (Friday)

In this week I have been through a meeting with my supervisor regarding my research and to discuss with him whether my findings if correct or not, but luckily my findings were suitable and reliable, then we proceed for my findings by adding on some instruction by my supervisor. Research about the pH sensor and Wi-fi module (ESP 8266) to understand how its function.

1.    pH Sensor

What is pH?

“pH stands for the power of hydrogen, which is a measurement of the hydrogen ion concentration in the body. The total pH scale ranges from 1 to 14, with 7 considered to be neutral. A pH less than 7 is said to be acidic and solutions with a pH greater than 7 are basic or alkaline.” 

Figure 1 pH Sensor

The most important sensor is pH sensor because it will check the quality of water and from that it avoids the fish to death. To avoid the fish to death  the pH level need to control the level between

Type Fish	pH Level
Goldfish	7.0 – 7.5
Angelfish	6.5 – 7.0
Tiger Barb	6.0 – 6.5
Silver Dollar	6.0 – 7.0
Harlequin	6.0 – 6.5
Neon Tetra	5.8 – 6.2
Zebra Danio	6.5 – 7.0

Table 1 List Type of Fish with Different pH Level

This table 1 above is the example pH level need to control by each type of fish. So that by controlling the pH level it will make sure the fish in good quality and healthy.

2.    Wi-fi Module (ESP 8266)

Figure 2 Wi-fi Module ESP 8266

      ESP 8266 ESP 01 is a Wi-Fi module that helps us to access Wi-Fi Network with any controllers. This module is a self-contained SOC with integrated TCP/IP protocol. This doesn’t need any controller to manipulate input and outputs whereas  Raspberry Pi, Arduino, etc., requires. Based on the versions, the input and output pin varies. We can control anything around us using Wi-Fi with the help of this ESP module instead of wired controlling.

Figure 3 Connection wi-fi module with Arduino

Figure 4 Label each point at wi-fi module