4 Channel 315Mhz RF Remote Transmitter – Arduino Compatible

This is a 4 channel RF Transmitter unit that consists of an Atmega328 microcontroller, 4 x tactile switches with pull-down resistors, programming port, and 315Mhz RF transmitter module. It is Arduino compatible open-source project that can be used for many RF transmitter applications. It is advisable to use a 30cm hook-up wire as an antenna to enjoy a maximum range of the transmitter.

Arduino Pins: D3, D4, D5, D6 Tactile Switch, and D12 data out for AM transmitter module.

Features

• Supply 5V DC @ 20mA
• 4 Tactile Switches with Pulldown Resistors
• PCB dimensions 75.09 x 30.80 mm

Applications

• RF Remote ON/OFF AC or DC loads like Fans, Lights, Home Appliances, Door control. This transmitter is compatible with 315Mhz RF Remote Receiver with On-Board Relay.

Arduino Code

Arduino Code is available as a download. The code works with a single SW1, it toggles the Receiver Relay when the switch is pressed. A new Atmega328 chip requires a Bootloader and Arduino firmware, check the link below to learn more about programming the new Atmega328.

Transmitter PCB has an onboard programming port.

https://www.arduino.cc/en/Tutorial/BuiltInExamples/ArduinoToBreadboard

FS1000A Receiver Module Specs

• Transmitter Model: FS1000A
• Transmitting Frequency: 433.92MHz, 315MHz, 330MHz
• Operating Voltage: 3V to 12V
• Transmitting Power: 10mW to 40mW 16dBm
• Transmitting Range: 20 to 100 meters through walls & 500 meters max in open area
• Data Transfer Rate: <10 Kilo Bytes Per Second (Range drops above 2400 bytes per second)
• Modulation Type: OOK
• Current Consumption: 20 to 28mA
• Current Consumption in Standby: 0mA

more information: https://www.componentsinfo.com/fs1000a-433mhz-rf-transmitter-xy-mk-5v-receiver-module-explanation-pinout/

Schematic

Parts List

Connections

Gerber View

Photos

Video

Atmega328 Datasheet

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