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qqrs / twilio_light_sensor.py
Last active December 16, 2015 00:59 — forked from ladyada/adafruit_mcp3008.py
#!/usr/bin/env python
import time
import urllib
import os
import RPi.GPIO as GPIO
GPIO.setmode(GPIO.BCM)
DEBUG = 1
# read SPI data from MCP3008 chip, 8 possible adc's (0 thru 7)
@qqrs
qqrs / softpot_pulldown_error_graph.py
Created November 18, 2012 22:20
Uses matplotlib to plot linearity error in softpot output with pulldown resistor
# coding=utf-8
#!ipython --pylab
from pylab import *
def format_resistor_value(value):
value = int(value) * 1000
for unit in (u"Ω", u"kΩ", u"MΩ", u"GΩ"):
value = value / 1000
if value < 1000:
@qqrs
qqrs / adafruit_mcp3008.py
Created November 18, 2012 04:56 — forked from ladyada/adafruit_mcp3008.py
Raspbery Pi Analog Input with MCP3008
#!/usr/bin/env python
import time
import datetime
import os
import RPi.GPIO as GPIO
GPIO.setmode(GPIO.BCM)
DEBUG = 1
# read SPI data from MCP3008 chip, 8 possible adc's (0 thru 7)