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Pine

🌲 An indoor infrared receiver and transmitter with a temperature sensor 🎐

power AA

wireless Infrared

mcu SAMD21G18

bom items 49

bom cost USD $9.71

vendors 2

completed September 2020

• Start
• Code
• PCB
• Bill of Materials
• Design
• Power
• CSQ
• Resources

Downloads

Demo Code Schematic Layout ECAD KiCad files Gerber files Bill of Materials

Features

Record and store the ON and OFF aircon commands with IR receiver
Turn on or off the aircon with the IR emitter
Measure temperature of another part of the room
Go into sleep mode after turning on or off the aircon

Getting Started

Step 1

Battery holder

The PCB has 2 battery holder connector holes that can be used to attach the battery holder.

Batteries

Put in 3 AA batteries and turn on the switch. The power LED should turn on.

Step 2

Upload the firmware

Flash the firmware onto the Arduino Zero compatible board with a micro-USB cable.

Serial monitor

Connect to the serial monitor to see the debug messages.

Step 3

Notice that the aircon should turn ON and OFF every 5 seconds as a test.