This is very useful DIY RF remote kit that can turn ON and OFF relay circuits or pass control signals to your Arduino or other MCU. Device supports four separate channels that can operate from four separate buttons on the RF transmitter remote. Each control channel has corresponding control pin on the receiver board. Type of control - momentary, which means that receiver will keep pin signal changed as long as button is

Please see supplied picture for board pinout.

YK04 Remote Control Kit Features:

• Transmission distance: 50m - 100m (open field, the receiver sensitivity of -100dbm)
• Transmitting frequency: 315MHZ
• Modulation mode: ASK (Amplitude Modulation)
• Encoder types: fixed code
• Receiver board operating voltage: DC 5V
• Receiver sensitivity is -98dB
• Leg 7 bits: VT, D3, D2, D1, D0, +5V and GND
• Upon receiving signal, the pin output is high
• Receiver size: 6.6 x 22 x 41mm

Package contents:

• 1 x RF Transmitter remote, ready to use, battery installed.
• 1 x YK04 - 4 Channel receiver module.