davy wybiral

making and breaking

wybiral / LoRaEcho.ino

Created August 14, 2020 14:28

wybiral / bern_relief.py

Last active August 24, 2022 20:21

	from time import sleep
	try:
	from twitter import Api
	except:
	print('Requires python-twitter: pip install python-twitter')
	exit(1)

	api = Api(
	consumer_key='...',
	consumer_secret='...',

wybiral / CamSD.ino

Created February 25, 2020 00:11

	#include <esp32cam.h>

	#include "FS.h"
	#include "SD_MMC.h"
	#include "WiFi.h"

	// Current image number (per folder)
	uint32_t image;

	// Current folder number

wybiral / BernRelief.py

Last active February 25, 2020 17:13

	try:
	from twitter import Api
	except:
	print('Requires python-twitter: pip install python-twitter')
	exit(1)

	api = Api(
	consumer_key='...',
	consumer_secret='...',
	access_token_key='...',

wybiral / custom_rf95.c

Last active January 4, 2020 00:33

Makes it easier to customize the LoRa parameters for RadioHead with RFM95 modules

	// After calling these methods you can write them
	// to the LoRa module using: [RH_RF95 instance].setModemRegisters(&modem)

	// Defaults:
	// Bw = 125 kHz
	// Cr = 4/5
	// Sf = 128chips/symbol
	// CRC on
	RH_RF95::ModemConfig modem = {0x72, 0x74, 0x00};

wybiral / scanner-example.go

Created August 19, 2019 15:54

Example of using the ipv4scan Scanner from Go code

	package main

	import (
	"fmt"
	"log"

	"github.com/wybiral/ipv4scan/pkg/scan"
	)

	func main() {

wybiral / webthings-test.js

Created August 16, 2019 00:21

Testing the WebThings API with Espruino

	const i2c = new I2C();
	i2c.setup({sda:B9,scl:B8});
	const bme = require("BME680").connectI2C(i2c);
	const wifi = require("Wifi");
	const thing = {
	temperature: 0,
	humidity: 0,
	gas: 0,
	pressure: 0,
	description: {

wybiral / tshare_secretbox.go

Created July 29, 2019 19:51

Demonstrate using tshare package for distributing a secret key using (2,3) XOR secret sharing algorithm.

	package main

	import (
	"crypto/rand"
	"fmt"
	"log"

	"github.com/wybiral/tshare"
	"golang.org/x/crypto/nacl/secretbox"
	)

wybiral / http-newline-scan.txt

Created July 9, 2019 21:00

wybiral / httptest.py

Created July 1, 2019 06:26

	from socket import create_connection
	from ssl import create_default_context

	def run_test(addr, httpversion):
	host, port = addr
	ctx = create_default_context()
	with create_connection(addr) as s:
	with ctx.wrap_socket(s, server_hostname=host) as ss:
	ss.send(b'GET /robots.txt %s\r\n' % httpversion.encode('utf8'))
	ss.send(b'Host: %s\r\n' % host.encode('utf8'))