Lech Perczak Leo-PL

HW & SW hacker, low-level embedded dev, RC helicopter enthusiast, guitarist, sailor, amateur radio operator & much, much more.

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Leo-PL / mr33-pinout.md

Last active August 22, 2024 21:23

Meraki MR33 pinout

J5 is the Tag-Connect footprint, with ordering like this:

|---------------|
| O           O ----|
|    2 4 6 8 10 o   |
| o                 |
|    1 3 5 7 9  o   |
| O           O ----| J5
|---------------|
     ^

Leo-PL / intel_x520_patcher.py

Last active August 27, 2023 19:57 — forked from ixs/intel_x520_patcher.py

Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules.

	#!/usr/bin/env python3
	#
	# Simple Intel x520 EEPROM patcher
	# Modifies the EEPROM to unlock the card for non-intel branded SFP modules.
	#
	# Copyright 2020,2021,2022 Andreas Thienemann <andreas@bawue.net>
	#
	# Licensed under the GPLv3
	#
	# Based on research described at https://forums.servethehome.com/index.php?threads/patching-intel-x520-eeprom-to-unlock-all-sfp-transceivers.24634/

Leo-PL / mobile-usb-gadget

Last active June 27, 2023 01:43

Better mobile USB gadget for Mobian, with dual RNDIS/ECM configurations and added ACM function with login shell.

	#!/bin/sh

	CONFIGFS=/sys/kernel/config/usb_gadget/g1
	USB_VENDORID="0x1D6B" # Linux Foundation
	USB_PRODUCTID="0x0104" # Multifunction composite gadget
	USB_MANUF="Debian"
	USB_PRODUCT="Mobile USB Gadget"
	USB_SERIAL=$(sha256sum < /etc/machine-id \| cut -d' ' -f1)
	USB_ATTRIBUTES="0x80" # Bus-powered
	USB_MAX_POWER="500" # mA

Leo-PL / 10-persistent-serial.sh

Last active May 21, 2024 14:25

[DEPRECATED - see https://github.com/Leo-PL/my-openwrt-packages/tree/master/utils/persistent-serial} Persistent serial port names for USB-serial on OpenWrt hotplugd

	[ "${ACTION}" = "add" -o "${ACTION}" = "remove" ] \|\| exit 0
	[ "${SUBSYSTEM}" = "tty" ] \|\| exit 0
	[ -n "${DEVNAME}" -a -n "${DEVPATH}" ] \|\| exit 1

	if [ "${ACTION}" = "add" ]; then
	subsystem="$(basename $(readlink /sys${DEVPATH}/../../../subsystem))"

	[ "$subsystem" = "usb" ] \|\| exit 0

	manufacturer="$(cat /sys${DEVPATH}/../../../../manufacturer)" \|\| manufacturer="$(cat /sys${DEVPATH}/../../../../idVendor)"

Leo-PL / nut-driver@.service

Last active August 26, 2023 15:00

[OBSOLETE] nut-driver.service, template version to control UPS driver instances separately of each other

	[Unit]
	Description=Network UPS Tools - power device driver controller
	After=local-fs.target network.target systemd-udev-settle.service
	Wants=systemd-udev-settle.service
	StopWhenUnneeded=yes

	[Service]
	ExecStart=/sbin/upsdrvctl start %i
	ExecStop=/sbin/upsdrvctl stop %i
	Type=forking

Leo-PL / rtl_tcp@.service

Last active March 20, 2023 05:55 — forked from alex27riva/rtl_tcp.service

Systemd service template for running rtl_tcp on startup

	[Unit]
	Description=Software Defined Radio TCP Server
	Requires=network.target
	After=network.target

	[Service]
	ExecStart=/bin/sh -c "/usr/bin/rtl_tcp -a 0.0.0.0 -d %i -p $$((1234+%i))"
	Restart=on-failure
	KillMode=control-group

Leo-PL / mf28x_find_deltas.py

Last active September 16, 2024 17:21

Delta update finder for ZTE MF283+, MF286, MF286A and MF286D routers

	#!/usr/bin/python3

	# Original script by frutis, mods by Leo-PL
	# Usage:
	# 1. uncomment proper section for your router (MF283+, MF286, MF286A, MF286D).
	# 2. set correct IME if you have one
	# 3. Set correct version ID (the integrate_version from NVRAM) for your device if not already found here
	# 4. Run the script - it shall return the URL of data update, if available for the set base version.

	from base64 import b64decode, b64encode

Leo-PL / tasmota_luftdaten_integration

Last active December 12, 2021 16:18

Example rule to push data from BME280 and PMS7003 sensors to Luftdaten directly from Tasmota

	README
	A simple rule to push sensor data to Luftdaten directly off of sensor running Tasmota. Assumes configured BME280 and PMS5003 sensors.
	Replace <CHIP_ID> and <VERSION> by ESP8266 chip ID (available on info page) and Tasmota version, respectively.

	Rule1
	ON Tele-BME280#Temperature DO Backlog Var1 %value% ENDON
	ON Tele-BME280#Humidity DO Backlog Var2 %value% ENDON
	ON Tele-BME280#Pressure DO Backlog Var3 %value% ENDON
	ON Tele-PMS5003#PM10 DO Backlog Var4 %value% ENDON
	ON Tele-PMS5003#PM2.5 DO

Leo-PL / 10-persistent-serial.sh

Created July 28, 2021 22:48

OpenWrt persistent serial port symlinks

	# Creates persistent serial port symlinks for USB devices,
	# like mobile broadband modems, USB-UART bridges, etc,
	# with layout very similar to udev symlinks
	# Put under /etc/hotplug.d/tty

	[ "${ACTION}" = "add" -o "${ACTION}" = "remove" ] \|\| exit 0
	[ "${SUBSYSTEM}" = "tty" ] \|\| exit 0
	[ -n "${DEVNAME}" -a -n "${DEVPATH}" ] \|\| exit 1

	if [ "${ACTION}" = "add" ]; then

Leo-PL / ssh-wakeup.sh

Created July 28, 2021 00:01

	#!/bin/bash

	# Simple script to check if remote host behind a jump host is up. If not - wake it up using etherwake.
	# Usage: invoke the script through ProxyCommand directive from your ssh_config.
	# "nc" must be available on your host. "etherwake" must be available on jump host.
	# Example:
	# Host <target_hostname>
	# ProxyCommand ~/.ssh/ssh-wakeup.sh <jumphost_address> <wol_interface> <wol_mac_address> %h %p

	function wait_for_host() {

NewerOlder

	[ "${ACTION}" = "add" -o "${ACTION}" = "remove" ] \|\| exit 0
	[ "${SUBSYSTEM}" = "tty" ] \|\| exit 0
	[ -n "${DEVNAME}" -a -n "${DEVPATH}" ] \|\| exit 1

	if [ "${ACTION}" = "add" ]; then
	subsystem="$(basename $(readlink /sys${DEVPATH}/../../../subsystem))"

	[ "$subsystem" = "usb" ] \|\| exit 0

	manufacturer="$(cat /sys${DEVPATH}/../../../../manufacturer)" \|\| manufacturer="$(cat /sys${DEVPATH}/../../../../idVendor)"