LeoDJ

Bambulab X1 Carbon Filament Sensor Hall Effect Sensor Pinout

1. Vcc (White cable)
2. Signal from cutter hall effect sensor
3. Signal from filament detection hall effect sensor
4. GND
5. NTC (15k?)

LeoDJ

# pip3 install pycryptodome

# Encryption for the "http://carmin-backend.appspot.com/rs" URL paths

import base64
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad

class CarminURLEncryptor:
    def __init__(self):

LeoDJ

<?xml version="1.0" encoding="UTF-16"?>
<Task version="1.2" xmlns="http://schemas.microsoft.com/windows/2004/02/mit/task">
  <RegistrationInfo>
    <Date>2024-05-13T03:03:36.8710082</Date>
    <Author>LEO-FW16\LeoDJ</Author>
    <URI>\ModernStandbyWorkaround</URI>
  </RegistrationInfo>
  <Triggers>
    <EventTrigger>
      <Enabled>true</Enabled>

LeoDJ

# ESPHome Configuration for Tuya Smart Life RGBW Controller (AP-Future) by LeoDJ
# https://s.click.aliexpress.com/e/_De97s2j
# Implemented using ESPHome package feature, for semi-easy configuration of multiple devices

packages:
  common: !include common/tuya-ap-future-rgbw.yaml
substitutions:
  node_name: "rgbw-example-device"
  node_friendly_name: "RGBW Example Device"
  api_key: !secret generic_api_key

LeoDJ

# Control a Partner Tech SP-850 cash drawer
# Needs root

import portio
import time

# request permission to I/O port range
portio.ioperm(0x5a8, 4, 1)

# Has to be 32bit access, otherwise the EC won't respond

LeoDJ

This is more of a note to myself / a try to give the problem a bit more SEO visibility, so please excuse the probably weird writing style and structure.

tl;dr at the bottom

• .PL extension is for "PrinterLeaf" files
  • They start with the magic bytes D0 4F 50 53 (ÐOPS)
  • Commonly contain header strings like:
    For: / Printed on: / From book: / Document: / Last saved on:
Name: / Ausgedruckt: / Aus dem Buch: / Dokument: / Zuletzt gespeichert:
• And for my test file they contained references to font files like:

LeoDJ

volume_down:
  alias: Volume Down
  description: Volume Down with user defined step size
  fields:
    entity_id:
      selector:
        entity:
          domain: media_player
    step:
      default: 0.05

LeoDJ

// Quick way to print a hexdump of a buffer. Output will look like this:
//
//        0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
// 0000  54 68 69 73 20 69 73 20 61 20 74 65 73 74 20 68   This is  a test h
// 0010  65 78 64 75 6D 70 21 20 46 6F 6F 2E 20 01 02 03   exdump!  Foo. ...
// 0020  04                                                .

inline void printHexdumpAscii(uint16_t index, uint8_t byte) {
    if (index % 16 == 8) {           // some spacing for orientation
        printf(" ");

LeoDJ

// convert raw data to integer
function getVar(inputBytes, offset, varLen, isSigned = false) {
  let outVal = 0;
  for (let i = 0; i < varLen; i++) {
    outVal |= inputBytes[offset + i] << i * 8;
  }
  
  if (isSigned) { // parse as signed value
    if (inputBytes[offset + varLen - 1] & 0x80) { // sign bit is set
      outVal = ~(outVal) + 1; // calculate two's complement

LeoDJ

#!/usr/bin/env python3

# Convert XPV/XDV files to binary (CSR Blueflash / Bluecore firmware files)
# Quickly hacked together by LeoDJ

import sys
import os

def xpv2bin(input_file, output_file):
    with open(input_file) as f_in, open(output_file, "wb") as f_out: