Blog

DIY 3-D Printed 4-Wire Kelvin LCR Adapter for SMD Components

2021-09-23T02:56:30Z

In this post, I present a DIY 3D printed adapter for 4-wire Kelvin measurement of SMD components with an LCR meter. The adapter has been tested with the Multicomp Pro handheld LCR meter (rebranded Hantek 1833C) and should work with the DER DE-5...(read more)

The Missing Link (BBC-PCB)

2021-08-15T04:58:58Z

BackgroundI recently used breadboards in a couple of projects and rediscovered some of their utility as well as many of the myriad reasons why I stopped using them years ago.I started to list all the reasons why I was turned off breadboards, in a hum...(read more)

SCDVM : Solar Cell Characteristic Measurement

2021-08-13T13:56:24Z

For the DIY Test Instrument Project14 Challenge I decided that I wanted to make something using a graphic display and something I have been playing with this summer (when the sun actually shines!) are solar cells. Solar cells are interesting things a...(read more)

SSFG - Simple stupid function generator

2021-08-11T07:25:06Z

I recently went through this blog postCreating a function generator from an Arduino board that can be programmed by means of a VT100 serial terminal looks a good idea to. After all, it's a very common scenario to have a PC on your workbench and, ...(read more)

DIY 100kHz VCO - Build & Test

2021-08-10T17:39:14Z

VCO -- A black box that provides an oscillating electrical signal whose frequency can be controlled by providing DC voltage input to it.Voltage Controlled Oscillators are fairly popular circuits used as subsections in PLLs, Music Synthesizers, Test a...(read more)

Pico Puffer

2021-08-10T03:26:54Z

Introducing, the Pico Puffer a high precision capacitance meter. With the name puffer being a fun adaptation of the short-form saying of pico-farads as puffs. My hope for this project is to be able to make a capacitive soil moisture measurement....(read more)

Instrument Control Board - Detailed Information and Testing

2021-08-05T19:11:00Z

Introduction Apologies to anyone who has read a lot of this already, I just couldn’t work out how to turn an existing blog into a Project14 entry. If you have read any of those posts, then much of this information will be familiar but th...(read more)

IRRF 2000 the IR and RF Tester

2021-08-03T04:59:00Z

Sometimes there is just no tool that will get the job done quickly and efficiently so sometimes we have to modify an existing tool or create our own to accomplish what we need in much less time then prior methods. I work primar...(read more)

3D Printed Surface Mount Test Lead Tweezers

2021-08-01T03:45:51Z

In this post, I am going to show the process I went through to build SMD test measurement tweezers. Will they work? I started with loose goals in mind, iterated, and made something physical daily with what was at hand. 18 July 2...(read more)

Simplester - a simple cable tester

2021-07-17T21:10:45Z

DIY Test Instrumentation Submit an Entry Submit an Entry Monthly Themes | Monthly Poll | Back to homepage DIY Test Instrumentation &...(read more)

Viewing Noise with a Measurement Amplifier

2021-07-16T04:25:00Z

Table of Contents Introduction Block Diagram Circuit Diagram Power Entry Input Stage First Gain Stage Filter Stage Attenuator Second Gain Stage Offset Null Low Power Indicator Proto Area Circuit Board and Construction Enclosure Frequency Respo...(read more)

A gadget for power monitoring of SBCs and MCU boards

2021-07-04T11:14:06Z

DIY Test Instrumentation Submit an Entry Submit an Entry Monthly Themes | Monthly Poll | Back to homepage Give Us Your Ideas on DIY Test Instrumentation Projects in the...(read more)

Project14 | DIY Test Instrumentation: Build Your Own Test Instrumentation!: Automated Cable Tester vi (shifting gears!)

2021-07-03T02:21:21Z

U.S. Air Force Senior Master Sgt. Mike Chandler, 142nd MaintenanceSquadron out of the Portland Air National Guard, displays his avionicsElectronics Systems Test Station (ESTS) cable tester that he designedPhoto by: Airman First Class Andrew Kobialka ...(read more)

Project14 | DIY Test Instrumentation: Build Your Own Test Instrumentation!: Automated Cable Tester v

2021-07-01T21:51:48Z

Project14 | DIY Test Instrumentation: Build Your Own Test Instrumentation!: Automated Cable Tester iv

2021-07-01T18:37:25Z