Automated A/C Control
Page last updated 15 Mar 2017, by 
Franklin Maxwell.
0
replies
Franklin Maxwell.
0
replies
Automated A/C Control with Bluetooth Override by Franklin Maxwell
Project Description
This project uses a reads a temperature sensor and determines wether or not to turn on the A/C fan (DC motor) if the temperature is above a predetermined threshold. In addition there is a manual bluetooth override for either turning the A/C on or off regardless of the temperature reading, the status of this override is displayed on the mbed's built in LED. Information about the current temperature, wether or not the fan is on, and the status of the bluetooth override are all displayed on the LCD screen.
Parts Used
Pin Assignments
| mBed | uLCD |
|---|---|
| Vu | +5V |
| gnd | gnd |
| p27 | RX |
| p28 | TX |
| p30 | Reset |
| mBed | Bluetooth |
|---|---|
| Vout | Vin |
| gnd | gnd |
| gnd | CTS |
| p9 | RXI |
| p10 | TXO |
| mBed | TMP36 |
|---|---|
| gnd | gnd |
| Vout | Vs |
| p15 | Vout |
| mBed | MOSFET PCB | DC Motor |
|---|---|---|
| 5V | JP2-1 RAW | |
| gnd | JP2-2 gnd | |
| p22 | JP2-2 Control | |
| JP1-1 | Black Wire (neg) | |
| JP1-2 | Red Wire (pos) |
Project Picture
Project Demo
Project Download
Please log in to post comments.