Arduino IR Volume Control

Arduino volume control- will control the TV/Receiver volume using IR LEDS

Small size disk with rotary top (Amazon DOT stile)

Hardware

• Arduino nano v3.0
• Rotary Encoder
• breadboard.
• 3 X 5mm 940nm IR LEDs.
• 330 oham Resistors.
• Wires and connectors.
• 3D SLA printer to print the encloser.

Software

Using IRremote librery: https://github.com/z3t0/Arduino-IRremote

Operating

• Pressing the rotary switch will wake up the device, to the previous mode.
• Rotating clockwise will increase the volume.
• Rotating counter clockwise will decrease the volume.
• Pressing the rotary switch while device awake, will change the control device mode and rotary leds, and mute one device. - Green led means controlling the TV volume and Red led means controlling the sound receiver volume.
• The control will enter sleep mode 10 seconds after last operation.

Schematics

Video