315Mhz RF Remote Receiver with On Board Relay – Arduino Compatible

---

https://www.electronics-lab.com/315mhz-rf-remote-receiver-with-on-board-relay-arduino-compatible/

This is one channel RF Receiver with an onboard Relay. The project can be used for ON/OFF control of AC or DC loads using an RF remote. It’s an Arduino compatible Receiver project that consists of, Atmega328 microcontroller, 315MHz RF Receiver, 12v Relay, 5V Regulator, etc. 315Mhz RF Remote Receiver with On-Board Relay – Arduino […]

315Mhz RF Remote Transmitter – Arduino Compatible

---

https://www.electronics-lab.com/315mhz-rf-remote-transmitter-arduino-compatible/

This is a two-channel RF Transmitter unit that consists of, Atmega328 microcontroller, 2 Tactile switches with pull-down resistors, a programming port, and a 315Mhz RF transmitter module. It is an Arduino compatible open-source project that can be used for many RF transmitter applications. It is advisable to use 1 Foot hook-up wire as Antenna to […]

4 Channel 315Mhz RF Remote Transmitter – Arduino Compatible

---

https://www.electronics-lab.com/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 […]

How to do serial comms using the cheap RF 433/315 MHz modules

---

https://www.electronics-lab.com/serial-comms-using-cheap-ebay-rf-433315-mhz-modules/

RomanBlack.com explains in details how to use 433/315Mhz modules for serial communication. These cheap RF modules usually come in a pair, with one transmitter and one receiver. A pair can be bought on ebay for as cheap as $4, and even as cheap as $2 a pair if you buy 10 pairs. Much of the […]