Blog

New Supercomputer Has a High Computational Power at Four exaFLOPS

Catwell

The CG-1 supercomputer has a computational power of 4 exaFLOPS at FP-16. It also features 54 million cores across 64 CS-2 nodes, supported by over 72 thousand AMD EPYC cores. (Image Credit: Rebecca Lewington/ Cerebras Systems) G42 and Cerebras intro...
- 27 Jul 2023
Experimenting with an All-Pass Filter Using the ADALM1000 from Analog Devices

jc2048

I wanted to have a look at the Bode plotting with the ADALM1000, so I've chosen to start by looking at an all-pass filter circuit. The idea of an all-pass filter, one that passes all frequencies, seems slightly odd (is it really a 'filter&#39...
- 3 Jul 2023
LTSpice Simulation on Mac

ggabe

Just recently, LTSpice has become my new favorite EE tool. I use a Mac, and to my biggest surprise, the Mac version does not have the toolbar icon that I see in YouTube videos. As a result, I found myself looking at a window without knowing what to d...
- 3 Jul 2023
A Short Informal Review of the ADALM1000 from Analog Devices

jc2048

Introduction The ADALM1000 is a small module that acts like a combination of an oscilloscope, waveform generator, and SMU (source-measure unit). That gives enough capability to experiment with low-frequency circuits, to characterise many semiconducto...
- 24 Jun 2023
DC Voltage Measurement Accuracy: AD584KH voltage reference

Jan Cumps

Follow up on DC Voltage Measurement Accuracy: Measuring DC voltage with high accuracy on a DMM6500 . I bought a little voltage reference based on Analog Device's AD584 . The reference is the AD584KH. The kit supports the 4...
- 20 Jun 2023
Nordic Power Profiler Kit II Python API

ralphjy

The Nordic Power Profiler Kit II (PPK2) is a tool that measures power consumption by either providing power to the external board (source meter) or acting as an ampere meter. It measures current from 500 nA to 1 A and gives a detailed pictu...
- 12 Jun 2023
DC Voltage Measurement Accuracy: Measuring DC voltage with high accuracy on a DMM6500

Jan Cumps

A little follow-up on DC Voltage Measurement Accuracy: fact check Shabaz' graph . The DMM6500 has functions to improve DC Volt measurements. nplc or number of power line cycles: you can set the sample time in functio...
- 11 Jun 2023
DC Voltage Measurement Accuracy: fact check Shabaz' graph

Jan Cumps

shabaz created a DMM measurement accuracy graph for his MP730624 Multimeter Quick Review: Surprisingly Accurate! blog. The graph shows the spec-ed accuracy of a MP730624 . He also shows graphs for other meters, like th...
- 10 Jun 2023
MP730624 Multimeter Quick Review: Surprisingly Accurate!

shabaz

Table of Contents Introduction What comes in the Box? Using the Meter Things I didn’t like Things I liked Measurement Accuracy Using Bluetooth Summary Introduction I was on the lookout for a decent multimeter, but didn’t want to spend...
- 10 Jun 2023
Soldering Wishlist gift! Duratool D00374 fume extractor

strb

A huge thank you to the E14 community that chose me as one of the lucky winners for the Wishlist - What do you need for Soldering? giveaway. This is my first prize/gift from the E14 community and that makes it special for me! A rather big (and beat u...
- 10 May 2023
Solder Fume Extractor Tenma 21-7960

charlieo21

I got this great solder fume extractor as a gift from element14, this was part of the "Wishlist - What do you need for Soldering?" giveaway. This will help me to keep away all the bad stuff out of my lungs. Also, I bought a used bench!, it is t...
- 29 Apr 2023
looking for vector network analyzer simulator

manojroy123

I am looking for free vector network analyzer simulator for simulation of R-L-C circuits and for simulation of attenuation. if anyone knows any free VNA simulation software. Please let me know about it.
- 24 Apr 2023
USB-C Soldering Iron as a Daily Tool

shabaz

Table of Contents Introduction Which Soldering Irons and Tips? C245 Tips C210 Tips L245 Look and Feel Soldering Stand USB-C Cable USB-C Power Source Grounding DIY Power Supply Cost Temperature Configuration Sleep Settings Soldering Experience Other...
- 15 Apr 2023
Generating Arbitrary Waveforms

dougw

Displaying graphics on an oscilloscope is an interesting exercise and I decided to do this as part of a waveform generator road test. It turned out to be quite a process, involving 9 different software programs so I thought I would make a separa...
- 8 Apr 2023
Keithley DMM6500 Scanner Card - Automation with TSP script

Jan Cumps

The Keithley DMM6500 / DAQ6510 family supports Test Script Processing (TSP) scripts. They are an alternative for SCPI control. The underlying scripting language is LUA.In this post, I'm showing a TSP script, and a brief look at the TestScriptBui...
- 13 Mar 2023
These two new carbon capture systems could mitigate climate change and reduce carbon emissions

Catwell

Wood pieces at different stages of modification, from natural (far right) to delignified (second from right) to dried, bleached, and delignified (second from left) and MOF-infused functional wood (first on the left). (Image Credit: Gustavo Raskosky...
- 7 Mar 2023
Keithley DMM6500 Scanner Card - temperature and 4-wire resistance continuous measurements

Jan Cumps

I road tested the Keithley Bench Digital Multimeter DMM6500. I recently purchased a 2000-SCAN 10 channel scanner card. This 4th post shows a continuously running script that logs temperature and 4-wire resistance with th...
- 6 Mar 2023
Quick hot-air soldering video

shabaz

Very bad and shaky video quality, but I've decided to upload this 2-minute video anyway, in case it helps anyone, because I struggled for years with hot air tools, and it only slowly dawned on me the issues I'd had were related to things like no pre-...
- 5 Mar 2023
Keithley DMM6500 Scanner Card - 2-wire and 4-wire resistance measurements

Jan Cumps

I road tested the Keithley Bench Digital Multimeter DMM6500. I recently purchased a 2000-SCAN 10 channel scanner card. This 3rd post shows the 2-wire and 4-wire resistance measurement mode with the scanner card. ...
- 10 Feb 2023
Keithley DMM6500 Scanner Card - wiring

Jan Cumps

I road tested the Keithley Bench Digital Multimeter DMM6500. I recently purchased a 2000-SCAN 10 channel scanner card. This 2nd post shows 2 ways I wired it: for easy use and for least resistance Twisted pair For my first tests...
- 9 Feb 2023
Keithley DMM6500 Scanner Card - first impressions

Jan Cumps

I road tested the Keithley Bench Digital Multimeter DMM6500. I recently purchased a 2000-SCAN 10 channel scanner card. This is my fist little test after receiving it. I bought a 2nd hand card. 250€ on eBay. It's the ...
- 7 Feb 2023
Researchers develop a new shield to block EMI and allow wireless optical signals

Catwell

The grid-patterned mesh blocks electromagnetic interference while allowing optical communication channels. (Image Credit: Optical Materials Express (2022). DOI: 10.1364/OME.478830) Electronic devices are everywhere, including factories, medical faci...
- 7 Feb 2023
Easy Grounding for USB Soldering Irons

shabaz

Table of Contents Introduction What’s the Problem? What’s the Solution? Building It Using It Useful Items Introduction USB powered soldering irons are handy tools, however, they are fundamentally different to normal mains-powered sold...
- 5 Jan 2023
USB-C Soldering Iron Quick Review: Sequre S60

shabaz

Table of Contents Introduction Motivation What Soldering Iron? What’s Inside the Kit? Using It Grounding Quick Teardown Things that Could be Improved Things that were Excellent Summary Introduction I recently purchased a couple of USB-C s...
- 3 Jan 2023
Building a Digital Microscope with Ghost Overlay Mode

shabaz

Table of Contents Introduction New Features Cross-Hairs Quick Record Overlay/Optical Alignment What was wrong with the old project? Keep what Works Use Standard Photography Mounts Improved Lighting Build Software Summary Introduction A very l...
- 31 Dec 2022