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Verifying that +benjaminchodroff is my blockchain ID. https://onename.com/benjaminchodroff
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@benjaminchodroff
benjaminchodroff / main.py
Created February 18, 2017 05:55
LoPy LoRa range test - listener
# Benjamin Chodroff, 2017
# This is the main listening gateway
# It's job is to receive LoRa messages and, if a color, set the LED to that color
# Otherwise, it will set unknown messages or errors as "white"
import machine
button=machine.Pin("G17",machine.Pin.IN, pull=machine.Pin.PULL_UP)
led=machine.Pin("G16", machine.Pin.OUT)
led.value(1)
#If the dev button is not pressed (0) then run this device in broadcast mode
if button():
@benjaminchodroff
benjaminchodroff / node1.py
Created February 18, 2017 05:57
LoPy LoRa range test - transmitter
import socket
import time
import struct
from network import LoRa
import pycom
pycom.heartbeat(False)
pycom.rgbled(0x000fff) #blue
# A basic package header, B: 1 byte for the deviceId, B: 1 bytes for the pkg size
_LORA_PKG_FORMAT = "BB%ds"
_LORA_PKG_ACK_FORMAT = "BBB"
@benjaminchodroff
benjaminchodroff / alarmdetect.py
Created February 18, 2017 06:35
raspberry pi microphone alarm detection
#!/usr/bin/env python
import pyaudio
from numpy import zeros,linspace,short,fromstring,hstack,transpose,log
from scipy import fft
from time import sleep
#Volume Sensitivity, 0.05: Extremely Sensitive, may give false alarms
# 0.1: Probably Ideal volume
# 1: Poorly sensitive, will only go off for relatively loud
SENSITIVITY= 1.0
import rpy2.robjects.lib.ggplot2 as ggplot2
import rpy2.robjects as ro
from rpy2.robjects.packages import importr
from rpy2.robjects import pandas2ri
pandas2ri.activate()
predprice = pd.DataFrame({"Predicted": [x for x in pred], "Actual": [y for y in price], "Color": [z for z in color], "Clarity": [x for x in clarity]})
yourdiamond = pd.DataFrame({"Predicted": [ypred],"Actual": [ypri]})
ro.globalenv['dataframe'] = predprice
pp = ggplot2.ggplot(predprice)
@benjaminchodroff
benjaminchodroff / oandamomentumv20.ipynb
Created March 7, 2017 03:05
OANDA v20 API with Time Series Momentum Strategy
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Keybase proof

I hereby claim:

  • I am benjaminchodroff on github.
  • I am benjaminchodroff (https://keybase.io/benjaminchodroff) on keybase.
  • I have a public key whose fingerprint is 7D04 501A 9446 11CD 602E 6F55 790B FC19 96BC 3A53

To claim this, I am signing this object:

@benjaminchodroff
benjaminchodroff / qingcloudVPCCreateDestroy.txt
Last active March 28, 2017 19:48
QingCloud automated VPC bastion host creation and deletion
pip install --upgrade qingcloud-cli
# CLI documentation: https://docs.qingcloud.com/cli/index.html
# API documentation: https://docs.qingcloud.com/api/index.html
# CLI Source: https://github.com/yunify/qingcloud-cli
# Python SDK Source: https://github.com/yunify/qingcloud-sdk-python
#Provision SubAccount in master account manual - log in, create an access key, and install the python CLI for qingcloud with your key, secret, and zone set in ~/.qingcloud/config.yaml
#Create security group
securitygroup=$( qingcloud iaas create-security-group --security_group_name "securitygroup-0000" | python -c 'import json,sys;print(json.load(sys.stdin)["security_group_id"]);' )
#Add security group rules (Ping and SSH)
@benjaminchodroff
benjaminchodroff / minimal-aliyun.tf
Created April 3, 2017 05:09
Minimal VPC ECS instance with Security Groups in Aliyun
# Create a new ECS instance for classic
resource "alicloud_security_group" "vpc" {
name = "tf_test_foo"
vpc_id = "${alicloud_vpc.vpc.id}"
}
resource "alicloud_security_group_rule" "allow_ssh" {
type = "ingress"
ip_protocol = "tcp"
nic_type = "intranet"