Tag: electronics

Upgrading wiringpi on Raspberry Pi 4

I have had a problem with the gpio command on Raspberry Pi 4. Checking it's version: gpio -v Produced the following output: gpio version: 2.50 Copyright (c) 2012-2018 Gordon Henderson This is free software with ABSOLUTELY NO WARRANTY. For details type: gpio -warranty Raspberry …

ModbusRTU for TouchBerry 10 pt.2

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. It is quite hard to do a lot of effective work i…

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…

Should cabinet door contain 230VAC elements?

With the current task of wiring an electrical cabinet I was presented with the opinion, that we should use 230VAC powered buttons and indicators, because in our specific case it would be cutting the corners, meaning less time and resources required for the given task. I have foun…

Stepper motors: 2-phase and 3-phase

Machine movements are generally made either by pneumatic valves or by electro-magnetic motors. Omitting the pneumatics for now, the electro-magnetic motors generally further divide to alternating-current or AC in short and direct-current, or DC in short. So far so good. Anyway, A…