Tag: raspberry

No autoflow for RS485 on TouchBerry 10?

This post is a part of a series about the TouchBerry ModbusRTU autoflow issue and how have I resolved it. Other posts of the series can be found under the touchberry tag. Note that newer posts might contain more recent information. With the access to the TouchBerry 10" model…

Using mbpoll as a CLI for Modbus

I have discovered a nice CLI tool called mbpoll than can be used for fast Modbus wiring validation via CLI. It is very handy for anything that has an Ethernet port for the ModbusTCP, including devices like Raspberry Pi based controllers industrial controllers. Additionally, if an…

How to use flashrom on Archlinux ARM

By corrupting a bootloader on my router's motherboard I managed to soft-brick it. Bootloader is usually the first batch of software instructions, the motherboard executes when powered up. Soft-bricking means that the device won't boot up, but can be resurrected to life, or de-bri…

How to install Syncthing on Arch Linux ARM

Syncthing is a solution to share files across multiple devices, spanning most operating systems, including Linux, Windows, Mac and Android. It's open source and it is decentralized. It requires some set-up, however. I was reluctant at first, but it is one of the things that I did…

How to emulate Raspios natively in QEMU

Download 2020-08-20-raspios-buster-armhf-lite.zip from the official site Install required tools sudo pacman -S unzip util-linux qemu qemu-arch-extra Minimal required QEMU version is 5.1 qemu-system-aarch64 --version Ethernet is shared with USB controller on Raspberry Pi 3, …