• Setup
• How to connect things
  • Distance measuring
    • HCSR04 Pins
    • Set up distance measuring
  • Movement sensor
    • Sensor pins
    • Set up movement sensor
  • Relay
    • Pins
    • Set up relays

Setup

nix-shell --command fish
virtualenv --no-site-packages --distribute .env
source .env/bin/activate.fish
pip install -r requirements.txt

# Copy files
make copy

# Connect to serial port
make connect

How to connect things

Distance measuring

HCSR04 Pins

Pin on component	Pin on card
Trig	D2
Echo	D3
Vcc	5V
GND	GND

Set up distance measuring

from table import Table

table = Table()

while True:
    print(table.currentHeight())
    time.sleep(1)

Movement sensor

Sensor pins

Pin on component	Pin on card
5V	5V
GND	GND
OUT	D4

Set up movement sensor

from table import Table

table = Table()

while True:
    print(table.getMovement())
    time.sleep(0.5)

Relay

Pins

Pin on component	Pin on card
Vcc	5V
Gnd	GND
In1	D5
In2	D6

Set up relays

from table import Table

table = Table()

# Reset relays
table.triggerRelay(0)

# Move table up
table.triggerRelay(1)

# Move table down
table.triggerRelay(-1)

# To go up and down and measure distance and stuff at the same time
import main
main.goCrazy()