Review Blogs

NI Thermocouple Kit: Fan Heater Temperature Measurement with Python

neuromodulator

Introduction Fan heaters work by forcing ambient air through heating elements. Manufacturers usually warn about not putting anything too close to the front of heaters as it could burn or catch fire, but what is the temperature of air at different dis...
- 18 May 2022
NI Thermocouple Kit: Thermal Capacity and Rate of Heat Loss Estimation

neuromodulator

Introduction Thermal systems are difficult to model because of the modes of heat transfer: conduction, convection, and radiation. Thermal conductivity can vary depending on the temperature and direction (such as with some crystals). Convection needs ...
- 14 May 2022
NI Thermocouple Kit: Temperature Control with LabVIEW

neuromodulator

Introduction LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is NI's flagship product based on graphical programming through "wiring" of nodes. LabVIEW was released initially in 1986, and was proposed as a more intuitive and easier...
- 11 May 2022
NI Thermocouple Kit: PC Temperature Measurement with FlexLogger

neuromodulator

Introduction Temperature does not usually spread uniformly, so to find how it spreads, it is important to measure it at different locations. I was curious about the internal temperature of the computer case at different locations under different...
- 2 May 2022
ML Capability of Raspberry Pi Zero 2W: Face Detection (using OpenCV)

cbohra00627

Introduction: In this blog, I will implement face detection using Opencv on the Zero 2W. Setup: Install pip:sudo apt install python3-pip Install Opencv:pip install opencv-python Install libgl1 to avoid some errors:sudo apt install libgl1 Download a...
- 23 Apr 2022
ML Capability of Raspberry Pi Zero 2W: Text Recognition (using Google'sTesseract OCR engine and EAST Text Detector)

cbohra00627

Introduction: In this blog, I will try to implement OCR (Optical Character Recognition) using pytesseract package (python package to access the Tesseract OCR) and EAST Text Detector on the Zero2W board. Python-tesseract is a wrapper for Google's Tess...
- 22 Apr 2022
Remote Education Test Case – Class C Amplifier Characterization

john.porter

Remote Education Test Case – Class C Amplifier Characterization The Keysight Smart Bench Essentials is a fantastic combination of test instruments for any educational lab. Collaboration between students and between educational facilities has b...
- 19 Apr 2022
Review: EDU34450A - 5½ Digit Multimeter

john.porter

EDU34450A Digital Multimeter Review - John Porter The digital multimeter (DMM) is arguably the most important equipment on any bench and can be found in any electrician’s tool belt or toolbox. The Keysight EDU34450A is a solid bench multimeter...
- 19 Apr 2022
Review: EDU33212A 2-channel Arbitrary Waveform Generator

john.porter

EDU33212A Waveform Generator Review - John Porter The Keysight EDU33212A Waveform Generator adds advanced signal generation to the Keysight Smart Bench Essentials series. The EDU33212A is easy for students to use and get started, however has many ad...
- 19 Apr 2022
Review: EDU36311A - Triple Output Programmable DC Power Supply

john.porter

EDU36311A Triple Output Programmable DC Power Supply Review - John Porter The Keysight EDU36311A Triple Output Programmable DC Power Supply completes the Keysight Smart Bench Essentials series with a robust 90-Watt DC power source. Every student&rsq...
- 19 Apr 2022
Review: EDUX1052G 50MHz Digital Storage Oscilloscope

john.porter

EDUX1052G 50MHz Digital Storage Oscilloscope Review - John Porter An oscilloscope, at it’s basic level, measures voltage over time and presents that information as a graph. The analysis and presentation of that data makes the oscilloscope ess...
- 18 Apr 2022
ML Capability of Raspberry Pi Zero 2W: Linear Regression (using scikit-learn)

cbohra00627

Introduction In this blog I will be training the Zero 2W with datasets of different sizes and monitor how much time it takes to train. I have a Raspberry Pi 4B 2GB RAM. I will be comparing the Zero 2W board against it. This comparison is not focused ...
- 18 Apr 2022
Riding-the-Rails with a Raspberry Pi Zero 2W: Prototype

colporteur

Welcome to the sixth and final blog post, in the series to support the Raspberry Pi Zero 2W Roadtest. The blog posts will explore different aspects of the product while attempting to engage the E14 Community members. Comments and questions to the blo...
- 17 Mar 2022
Keysight Smart Bench Essentials - Unboxing

john.porter

The Keysight Smart Bench Essentials collection is positioned as a complete set of lab bench products, primarily directed towards an educational lab environment. I am thrilled to be selected as a road tester for this review and extend my thanks to Ele...
- 11 Mar 2022
Riding The Rails with Raspberry Pi Zero 2W: Camera

colporteur

Welcome to the fifth of six blog posts in support of the Raspberry Pi Zero 2W Roadtest. The blog posts will explore different aspects of the product while attempting to engage the E14 Community members. Comments and questions to the blog posts are w...
- 7 Mar 2022
Riding The Rails with Raspberry Pi Zero 2W: Operating System Install & Configuration

colporteur

Welcome to the fourth of six blog posts in support of the Raspberry Pi Zero 2W Roadtest. The blog posts will explore different aspects of the product while attempting to engage the E14 Community members. Comments and questions to the blog posts are w...
- 6 Mar 2022
Riding-the-Rails with a Raspberry Pi Zero 2W: Introduction Pi Stuff

colporteur

Welcome to the third of six blog posts in support of the Raspberry Pi Zero 2W Roadtest. The blog posts will explore different aspects of the product while attempting to engage the E14 Community members. Comments and questions to the blog posts are we...
- 26 Feb 2022
Riding-the-Rails with a Raspberry Pi Zero 2W: Introduction Model Train Stuff

colporteur

Welcome to the second of six blog posts in support of the Raspberry Pi Zero 2W Roadtest. The blog posts will explore different aspects of the product while attempting to engage the E14 Community members. Comments and questions to the blog posts are w...
- 24 Feb 2022
Riding-the-Rails with a Raspberry Pi Zero 2W: Application

colporteur

I acknowledged an email from RScasny last week confirming I was still available to participate in the Raspberry Pi Zero 2W RoadTest. I just received a UPS notice that a package is on route. I'm going to assume from the two events my application w...
- 24 Feb 2022
Blank Feather/FeatherWing PCB project for KiCAD 6

station240

Introduction Related to the current RoadTest for the Würth Elektronik Sensor FeatherWing Kit Here is a blank PCB project for KiCAD 6 for anyone that wants/needs to create something extra for their review/project. Stock KiCAD parts and libraries...
- 24 Jan 2022
Würth Elektronik Sensor FeatherWing Kit

dougw

Würth Elektronik Sensor FeatherWing Kit Road Test Proposal Pressure-Based Altimeter – DougW Background Rationale Small integrated circuit sensors have been getting better in both performance and features, opening up more applications. It ...
- 13 Jan 2022
Panasonic Laser PM2.5 (Dust/Smoke) Sensor w/ MCU question

genebren

Greetings fellow roadtesters of the Panasonic Laser PM2.5 (Dust/Smoke) Sensor w/ MCU and others that might have had some experience working with this sensor. I had initially intended to use I²C as a method of reading sensor data, but the b...
- 8 Jan 2022
METCAL GT90-HP-T4 Soldering Station - Unboxing and Setup

john.porter

METCAL GT90-HP-T4 Soldering Station - Unboxing and Setup Welcome! I have the chance to test and review a new Metcal GT90-HP-T4 Soldering Station, and would like to thank Metcal and Element14 for this opportunity! Metcal is respected for delive...
- 1 Jan 2022
Particulate/Smoke data logger using the Panasonic Laser PM2.5 (Dust/Smoke) Sensor w/ MCU - part 2

genebren

While I am still awaiting the arrival of my new PCBs, I started to think a bit more about how to best position my dust/smoke sensors in a moving air stream (inside and A/C unit or around my fume extractor). While the sensor has a small fan to d...
- 31 Dec 2021
Particulate/Smoke data logger using the Panasonic Laser PM2.5 (Dust/Smoke) Sensor w/ MCU - part 2

genebren

While I am still awaiting the arrival of my new PCBs, I started to think a bit more about how to best position my dust/smoke sensors in a moving air stream (inside and A/C unit or around my fume extractor). While the sensor has a small fan to d...
- 31 Dec 2021