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PoKeys meets ThingSpeak – reporting data to IoT cloud

By |January 17th, 2018|Other|

Late in December Xively IoT platform has announced retirement of its free service Xively Personal, support for which was already integrated into our Ethernet PoKeys devices. One of possible alternatives is ThingSpeak IoT platform. Free version offers up to 3 channels, each can contain 8 data fields. Number of messages is limited to 3 million [...]

Raspberry Pi and PoRelay8 relay boards – Part 1

By |December 21st, 2017|Home automation, How to, Other|

PoRelay8 is a relay board and features 8 relay outputs. Up to 10 boards can be daisy-chained over the CAN bus for up to 80 additional outputs. In previous blog (Using PoRelay8 with PoKeys and long cables) we wrote about connecting PoRelay8 relay board to PoKeys57U device over the PoExtBus. The PoRelay8 is an updated [...]

Using PoRelay8 with PoKeys and long cables

By |November 29th, 2017|Other, PoKeys|

Porelay8 board allows expanding the number of outputs of the PoKeys device by using the PoExtBus. It features 8 relay outputs. Up to 10 boards can be daisy-chained over the CAN bus for up to 80 additional outputs. CAN (Controller Area Network) bus is a robust bus standard initially designed for automotive use to allow [...]

PoScope4 release 3.2

By |June 5th, 2017|Other|

Fix We fixed which was causing software crashes when selecting and opening file in Recorder.

PoScope4 release 3.1

By |May 29th, 2017|Other|

The latest release introduces new features and improvements Low pass filter on analog channels We're introducing low pass filters to smooth out signals on analog inputs. This is very useful feature to get rid of noise and improve trigger stability. Filter on analog channel Improvements Improvements of trigger Improved stability

PoLabs and Lego Maters 2017

By |March 27th, 2017|CNC, CNC controller, CNC Machine, Logic analyzer, Other, PC oscilloscope, PLC, PoKeys, PoScope, Signal generator, Stepper driver, Stepper motor, USB oscilloscope|

PoLabs was sponsoring the Lego Master 2017 competition on Faculty of Electrical Engineering, University of Ljubljana Quoted from source: http://lego-masters.si/ The fifth contest Lego Masters is behind us. The organizers would like to thank all the participants that they devoted the last few months to preparations for the competition, which they also attended. Special thanks also [...]

Encoder Threading with Mach4 Lathe and the usb cnc controller PoKeys57CNC

By |January 24th, 2017|CNC, CNC controller, CNC Machine, Other, PoKeys|

Digital Machinist article: Encoder Threading with Mach4 Lathe and the usb cnc controller PoKeys57CNC I was excited to hear that threading with Mach4 Lathe and the usb cnc controller Pokeys57CNC with an encoder was now working. I just had to try it, since I had mixed success with index only threading in Mach3 Turn. I had [...]

Updated PoKeys plugin for Mach4 released

By |January 11th, 2017|CNC, CNC controller, CNC Machine, Other, PoKeys|

A new version of the PoKeys plugin for Mach4 was released today. Most changes have been done 'under the hood', the biggest one affecting the MPG jogging with PoKeys devices. MPG jogging is a very useful feature of PoKeys57CNC devices that enables improved control over the CNC machine and resembles the handwheel of a manual [...]

Ground loop – What is it and why we should avoid it?

By |October 13th, 2016|CNC Machine, Other, PoScope, USB oscilloscope|

Ground loop is a result of electricity flowing to a ground over two or more paths. Ground loop is usually generated by connecting together different power sources. Users in many cases believe that all ground points are at the same potential. That is far from the truth. All wires or other conductors have a resistance [...]

Oscilloscope probe compensation

By |September 5th, 2016|Logic analyzer, Other, PC oscilloscope, PoScope, Signal generator, USB oscilloscope|

Oscilloscope probe compensation is a procedure to reduce impact of probes on measured signal. We have to keep in mind that oscilloscope probes aren't just pieces of wire with pointy end attached to them. Here are two important aspects to consider when selecting and using probe: Faithfully transmit the signal from your device under test to the [...]

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