Data from IoT to cloud – a modern approach
Today, I will present a state-of-the-art approach to transferring data over a mobile network in a secure and resource-friendly way. This client will run on any Linux or Zephyr based …
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Ninebot Max G30 II firmware patching
or how to use Ghidra to analyse a STM32F1 Series ARM Cortex M3 uController firmware Ninebot eScooters are renowned globally for their robustness and reliability. However, they come with certain …
E-Scooter Bluetooth LE insides
Source code on Github: https://github.com/irmo-de/9UnBot/ Introduction When I began using my eScooter, I was dissatisfied with the included app. This app connects to the scooter via Bluetooth Low Energy (LE), …
The magic behind field weakening for electric motors
When it comes to customizing the motor control of ebikes or escooters, there is one term you will inevitably encounter: motor field weakening. In this post, I aim to demystify …
MacOS “wake on LAN” (wol) solution for Ventura by using external Bluetooth
Requirement: Mac OS PC Raspberry PI: Pi Zero W Raspberry PI 3 / 4 Copy the Bluetooth controller’s MAC address to your clipboard. We’ll need this value later. Switch over …
[Preview] SQLighter – the easiest open source SQLite3 wrapper
If you use SQLite in your software regularly you are most likely annoyed by the repetitive task you must do every time. Create the database structure with dozens of SQL …
Building a cheap home use insulation tester for less than 10 USD
Were there a lot of electronic toys from Asia under the Christmas tree? We all like to buy electronic gadgets from Asia from time to time. But are the devices …
Fixing the CMOD A7 FPGA eval board usb loss problem
…. by using an extra ferrite for less than 20 cent … you can skip the technical details and go to the solution at the end immediately I bought two …
Porting RISC-V to Xilinx Kintex 7, Artix 7 and Spartan 7
To get a better understanding for RISC-V in hardware let us try to bring a RISC-V implementation to one of the smallest FPGA from Xilinx. The Kintex-7 and the Spartan-7 …
GigaDevice RISC-V with IAR workbench
Introduction GigaDevice released a 32-bit general-purpose MCU based on RISC-V This MCU (and this is real news) in supported by the new IAR workbench for RISC-V. What you get is …
SoftEther – do not route all traffic over a VPN tunnel for Windows 10, iOS, and Android native clients
.. aka split routing with Softether Routing all traffic through a VPN connection can slow down internet speed. Many times you want to access remote resources only. Most internet traffic …
Installing Linux on Windows (WSL2) with 6 simple steps
Open a windows cmd window: Windows logo key + R Type cmdrun as adminstrator 1 Install feature VirtualMachinePlatform dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart 2 Install feature Microsoft-Windows-Subsystem-Linux dism.exe /online …
How your iPad battery can (nearly) last forever
Following these steps, it should be possible to maintain the battery, so the overall capacity loss is under 30% within 10 years. What do you need Jailbroken iPad or Macbook …
Embedding Python 3.9 in autohotkey by using Windows COM
[UPDATED 2020-08-03: using python 3.9] Without a doubt, Autohotkey is the best program for hotkeys under Windows. It contains an easy script language for binding hotkeys and shortcuts to any …
Persistente Identifizierung eines Nutzers in der iOS – Keychain
Viele Apps bieten ihren Nutzern auf iOS Geräten wie dem iPhone oder dem iPad einen einmaligen Testzeitraum an. Lässt sich dieser Zeitraum verlängern? Die Keychain Die Privatsphäre Einstellungen von Apple …