Blog

FNIRSI Logic Analyzer Review

2026-11-01T16:42:19Z

Introduction A few weeks ago I spotted the launch promotion of the FNIRSI DLA Logic Analyser. It’s a low-cost USB Logic Analyser offered in two versions, DLA16 and DLA32 Plus. They are currently offering the DLA16 Plus at $159 and the DLA32 Plu...(read more)

Getting familiar with ngscopeclient

2026-10-24T19:46:35Z

Table of Contents Introduction Initial usage Setup and usage Introduction ngscopeclient is a free, open-source software application designed for controlling test and measurement instruments, visualizing signals, analyzing waveforms, and automatin...(read more)

DIY RF Fun: Build a HF 180-degree Hybrid Power Splitter!

2026-10-22T21:54:09Z

Table of Contents Introduction What Does the Splitter Do? Designing and Testing Splitter Sub-System Balun Sub-System Impedance Transformation Sub-System Putting It All Together Results Summary Introduction A fellow radio enthusiast was...(read more)

Nordic Power Profiler Kit II

2026-10-11T12:14:44Z

Introduction I have decided to try one of the devices used for power profiling and power optimization of embedded devices. Among the devices available at a similar price point, I have narrowed my choice down to two options: the Nordic Power Profiler ...(read more)

Researchers Observe Altermagnetism in Layered Material

2026-10-09T08:00:00Z

The lab has molecular beam epitaxy (MBE), angle-resolved photoemission spectroscopy (ARPES), and time-resolved ARPES systems. (Image Credit: UCF) Researchers are looking for new techniques to achieve faster computing. To do this, they are focusing o...(read more)

BOM

2026-08-29T19:54:20Z

BOM don't work(read more)

Before I Trust the Numbers - Comparing Three USB Testers (Tenma 72-13540, FNIRSI FB58, Keweisi KWS-10VA Before Characterizing the FNIRSI DPS-150

2026-08-24T13:34:47Z

Comparing Three USB Testers Before Characterizing the FNIRSI DPS-150 Why I Did This Test I recently added a FNIRSI FNB58 USB tester to the bench with the intention of using it during my characterization of the FNIRSI DPS-150. Before I started trusti...(read more)

FNIRSI 2C53T Characterization & Review

2026-08-20T01:35:18Z

A hands-on look at what it does well, where the automatic measurements can mislead you, and whether it makes sense as a first oscilloscope or portable troubleshooting tool. The tests completed in this review is not of 100% calibrated equip...(read more)

Cheap active oscilloscope probe

2026-08-04T15:58:07Z

During the last test of the Si5351 clock generator, I thought that it would be nice to compare measurement results between a passive probe to an active probe. I have found one based on a well-known design with usage of the high frequency BF998 FET t...(read more)

Keithley DMM6500: Software Control Options Pt 3 - VSCode TSP Toolkit

2026-07-25T10:23:57Z

Follow up on my road test of the Keithley Bench Digital Multimeter DMM6500.I proposed in my application to focus the review on instrument automation. In this post, the VSCode TSP Toolkit plugin. The plugin was released a few years...(read more)

The wire stripper

2026-07-12T14:59:46Z

Till now, I have used a self-adjusting wire stripper. It was quite good but sometimes stuttered during stripping. It didn't have an option to regulate the length of a stripped area of wire. I have decided to try something which allows me to regulate...(read more)

Benchwave, a free Mac app that will help oragnise your workshop

2026-07-02T14:17:38Z

A while back I picked up a couple of FNIRSI instruments, a 2D15P scope and an LCR-P1 component tester. Good kit for the money, but the software is a letdown: mostly Windows-only, so on a Mac you're stuck dragging screenshot files off a USB drive by h...(read more)

Portable multimeter - Sanwa PM300

2026-06-28T15:44:29Z

{gallery}Sanwa PM300 A few years ago I looked for a replacement for my portable multimeter, the Appa iMeter 5, for which I was not fully satisfied. I have found a Sanwa PM300. I have been ...(read more)

GDM-8341 trace capabilities review

2026-06-26T15:40:11Z

Back in March, I was flabbergasted to be chosen as the grand prize winner for the Fun and Games competition I mean, I was participating for the fun of it, thinking to myself "heck, if I reach second place, that'll be a good occasion to repla...(read more)

Analog Discovery 3 - oscilloscope channels crosstalk

2026-06-15T16:00:45Z

The channel isolation describes how much signal on one input channel unintentionally appears on another channel. In case when we are measuring some signal, e.g. on channel 1 and has channel 2 not connected to any signal, in an ideal scenario, there s...(read more)