Week 10 (FYP 2)
Activity:
Replace the Arduino Board (ESP8266)
Objective:
- To replace the damaged original Arduino board.
- To check the wiring connection between NodeMCU, sensors and relay.
Content:
- The original NodeMCU board suddenly getting hot and the light on the board become turn off
- At first I expected that what was broken was the cable. So i try change and replace the cable but the result is still same. The NodeMCU board not function.
- I try to troubleshoot the board and connect with other laptop but still not function.
- After i make a research, the NodeMCU board was short circuit and overload current. So the solution is i need to change with the new one.
Result:
- So I change the new board, upload the coding from the Arduino software
- after done upload the coding, i connect all the sensor and relay
- As a result, the arduino and other sensor was functioning well.
Conclusion:
The cause of this problem is the VCC/GND are internally connected due to a previous failure or An output pin, is connected to a supply rail through a very low resistance load (or short circuited).
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