DIGILENT Pmod LS1Follow article
The Pmod HAT Adaptermakes it easy to connect Pmods to a Raspberry Pi. It supports plug-and-play functionality, only requiring that the host Raspberry Pi is booted with the Pmod HAT attached. The Pmod HAT has three 2×6 Pmod ports and provides access to additional I/O available via the Raspberry Pi 40-pin GPIO connector. Designed in collaboration with RS Components, users can take advantage of example Python libraries and demo tutorials hosted on DesignSpark.
The Pmod LS1allows users to receive signals from multiple optical sensors, such as the popular combination of IR LED with an IR sensor used in line-following robots.
Start off by typing the following commands on the terminal:
sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install -y build-essential git libusb-1.0-0-dev libprotobuf-dev libleveldb-dev libsnappy-dev libopencv-dev libhdf5-serial-dev protobuf-compiler libatlas-base-dev git automake byacc lsb-release cmake libgflags-dev libgoogle-glog-dev liblmdb-dev swig3.0 graphviz libxslt-dev libxml2-dev gfortran python3-dev python3-pip python3-setuptools python3-markdown python3-pillow python3-yaml python3-pygraphviz python3-h5py python3-nose python3-lxml python3-matplotlib python3-numpy python3-protobuf python3-dateutil python3-skimage python3-scipy python3-six python3-networkx libfreetype6-dev libjpeg-dev python3-gst-1.0 python3-picamera sudo pip3 install pyserial sudo pip3 install designspark.pmod
We have to turn on the serial function of the Raspberry Pi too
>5 Interfacing Options
>Would you like a login shell to be accessible over serial?
>Would you like the serial port hardware to be enabled?
This program code means that we have to insert the Pmod LS1 into the Pmod HAT Adapter JAA slot. The JAA slot means that the upper 6-pin in slot JA.
if __name__ == '__main__': LS1 = createPmod('LS1','JAA') time.sleep(0.1)
Plug the Pmod LS1 into the JAA slot as shown below.
The following is the code to get all the 4 channel Infra-red sensor data and print it out.
try: while True: print(LS1.GetAllStatus()) time.sleep(0.5) except KeyboardInterrupt: pass finally: LS1.cleanup()
the LS1.GetAllStatus is the function that gets all the data from the IR sensor.
sudo python3 /home/pi/Desktop/DesignSpark/example/LS1_example.py or sudo python /home/pi/Desktop/DesignSpark/example/LS1_example.py