RaspberryPi-AS3935
A python library and demo script for interacting with the AMS Franklin Lightning Sensor.
This script will only work if the correct kernel modules are loaded
on your Pi. Adafruit has a nice tutorial
set up, though depending on the breakout board that you use, you may
not see anything show up when you run i2cdetect.
Installation
You can install this module by running
pip install RPi_AS3935
or you can clone this repository and run
python setup.py install
Breakout Board
The AS3935 is a small chip, and rather than trying to solder it myself I purchased a (v2) breakout board from Embedded Adventures.
Connecting the AS3935
In my test setup I connected my breakout board to the Pi as shown
| AS3935 Pin | Raspberry Pi Pin |
|---|---|
| 4 (GND) | 25 (Ground) |
| 5 (VDD) | 1 (3v3 Power) |
| 10 (IRQ) | 11 (GPIO 17) |
| 11 (I2CL) | 5 (SCL) |
| 13 (I2CD) | 3 (SDA) |
Known Issues
Addressing
You may need edit line 12 of demo.py so that the correct address is read.
| Breakout Board | Default Address |
|---|---|
| Embedded Adventures v2 | 0x00 |
| Embedded Adventures v4/v8 | 0x03 |
| Tautic Electronics (untested) | 0x00 |
RaspberryPi Model
If you have one of the newer 512MB Pi boards, then you need to adjust line 12 in the demo script to read
sensor = RPi_AS3935(address = 0x00, bus = 1)
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