CHIP-rf

Introduction

Python module for sending and receiving 433/315MHz LPD/SRD signals with generic low-cost GPIO RF modules on a CHIP Computer for Next Thing Co (NTC). This was ported from rpi-rf module

Protocol and base logic ported from rc-switch.

Supported hardware

Most generic 433/315MHz capable modules (cost: ~2€) connected via GPIO to a CHIP computer.

Compatibility

Generic RF outlets and most 433/315MHz switches (cost: ~15€/3pcs).

Chipsets:

• SC5262 / SC5272
• HX2262 / HX2272
• PT2262 / PT2272
• EV1527 / RT1527 / FP1527 / HS1527

For a full list of compatible devices and chipsets see the rc-switch Wiki

Dependencies

CHIP_IO.GPIO

you can find information here CHIP_IO

Installation

On CHIP, install the CHIP-rf module:

git clone git://github.com/nunojusto/CHIP-rf.git

cd CHIP-rf

sudo python3 setup.py install

cd ..

sudo rm -rf CHIP-rf

Wiring diagram (example)

CHIP:

TX:

• GND > PIN (GND)
• VCC > PIN (5V)
• DATA > PIN (XIO-P1)

RX:

• VCC > PIN (5V)
• DATA > PIN (XIO-P0)
• GND > PIN (GND)

NOTE: DATA only works on pins XIO-P0 to XIO-P7, AP-EINT1, and AP-EINT3. All the other pins are unable to cause an interrupt.

Usage

See scripts (chip-rf_send, chip-rf_receive) which are also shipped as cmdline tools.

Example:

sudo ./chip-rf_receive -g XIO-P0

2017-01-02 18:51:48 - [INFO] chip-rf_receive: Listening for codes on GPIO XIO-P0

Open Source

• The code is licensed under the BSD Licence
• The project source code is hosted on GitHub
• Please use GitHub issues to submit bugs and report issues