m0xpd

// ADSRduino
//
// a simple ADSR for the Arduino
// m0xpd
// Feb 2017
//
// see http://m0xpd.blogspot.co.uk/2017/02/signal-processing-on-arduino.html
//
// uses a Microchip MCP4921 DAC on digital pins 4,5,6 & 8 (see below)
// receives gate inputs on digital pin 2 (remember to protect e.g. with a 200R resistor and a 5V1 Zener diode)

m0xpd

/*
Kanga_VFO_3
 
Enhanced VFO System for the Arduino
with AD9850 DDS Sig Gen Module
mounted in the Kanga DDS Shield
and a LCD Display on the I2C Interface
 
Handles either 16 * 4 or 20 * 4 LCD format 
 

m0xpd

/*
Kanga_VFO_2

Enhanced VFO System for the Arduino
with AD9850 DDS Sig Gen Module
mounted in the Kanga DDS Shield
and a (16*4) LCD Display on the I2C Interface

m0xpd
August 2013

m0xpd

/*
 Keyer
 
 Simple keyer for the Arduino
 
 m0xpd
 shack.nasties 'at Gee Male dot com'
 
 Pins 6 & 7 connected to a paddle...
   pin 6 is the 'dit' key (usually the left)

m0xpd

    if Proceed == 1:                                          # External timing code sets Proceed = 1 for WSPR
                                                              # and enters at the start of the transmission interval
        sendFrequency(WSPR_freq)                              # setup the DDS frequency          
        GPIO.output(11, True)                                 # key the Tx
        time.sleep(1)                                         # wait for 1 second : WSPR starts 1 second into the minute
	for i in range(0,len(WSPR_Message)):                  # read each character
            sendFrequency(WSPR_freq+WSPR_Message[i]*WSPR_df)  # set frequency
            time.sleep(0.682)                                 # wait for 682 msec
	
	GPIO.output(11, False)                                # All Done - so un-key the Tx

m0xpd

#!/usr/local/bin/python
# Run an eBay AD9850 on the RPi GPIO
#
# translated from nr8o's Arduino sketch
# at http://nr8o.dhlpilotcentral.com/?p=83
# 
# m0xpd
# shack.nasties 'at Gee Male dot com'
import RPi.GPIO as GPIO
# setup GPIO options...

m0xpd

#!/usr/local/bin/python
# m0xpd
# shack.nasties 'at Gee Male dot com'
import RPi.GPIO as GPIO
# setup GPIO options...
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)


class RotaryEnc:

m0xpd

#!/usr/local/bin/python
# m0xpd
# shack.nasties 'at Gee Male dot com'
import RPi.GPIO as GPIO
# setup GPIO options...
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
# setup IO bits...
GPIO.setup(12, GPIO.IN)         # PinA is on GPIO 12
GPIO.setup(16, GPIO.IN)         # PinB is on GPIO 16

m0xpd

#!/usr/bin/env python

""" 
                    Morse_Gmail.py 
                         m0xpd
                    December 2012
"""

import feedparser, time, sys
import RPi.GPIO as GPIO