Legacy Personal Blogs

Please Note:

This blog contains the legacy personal blog posts of our members, other than our Top Members whose content has been migrated into individual blogs in this area. Our new platform does not have personal blogs so this is how we have preserved the personal blog posts of our members from the Jive platform. No new posts will be permitted in this blog. Instead, if you wish to create blog content, please post it in the blog in the most appropriate topic area.

CoderDojo St Paul2 to rest the pest.

coderdojostpaul2

News is in that we are one of the 25 challengers in the 1m3 of space, the slogan "Rest the Pest".As the pest sleeps, could it be evacuated to be protein? Will the consumer survive the meal? WHere do the pests come from? Do we know? How many are healt...
- 8 Oct 2020
Phase Shift Correction: It Takes Two

cookmesomekai

Phase shift correction in power analysis is like dancing a tango: it takes two – the power analyzer supporting the function as well as a suitable sensor with a known phase delay. If one of them is missing… well… just imagine that tango… www.yout...
- 6 Oct 2020
TL431 Oscillator

jc2048

This one isn't too serious. When shabaz did a blog on using a TL341 as a Low Battery Warning Indicator, I wondered what else you might use the device for. Since it includes an amplifier, it shouldn't be too hard to get it to oscillate, s...
- 3 Oct 2020
Arduino on the Waveshare nRF52840 Eval Kit

parasquid

While I was exploring online shops for cheap nRF52840 dev boards I can experiment with, I came across this: the Waveshare nRF52840 Bluetooth 5.0 Evaluation Kit. It is around $25 which is quite a bargain (almost $15 less) compared to the nR...
- 3 Oct 2020
An open letter to Element 14

wwilkerson

Dear Everyone at Element14, Hello World! My name is William Wilkerson. I originally got my account in 2016 before I got my Element 14 account in 2020. I originally started to like computers in 2018-2019, and then signed up for 2020 Element14. Th...
- 2 Oct 2020
Surf Report: 2020-10-02

airbornesurfer

Another week, another set of projects for element14 presents. It's been a long week here in Southern California with the first US presidential debate turning into the worst episode of The Odd Couple, a heat wave baking inland Orange County for the pa...
- 2 Oct 2020
Nordic's ATT_MTU Throughput Example on the PAN1780 eval kit

parasquid

One of the topics I wanted to investigate while roadtesting the PAN1780 eval kit was how it can differentiate itself from other, similar modules that also contain Nordic's nRF52840 mcu. I noticed that the PAN1780 had better signal strength compar...
- 2 Oct 2020
HIROSE CX Series, Next Generation USB Type-C Compliant Interface Connector

t.adegoke

1. Next-generation USB Type-C compliant with 10Gpbs high-speed transmission (3.1.Gen. 2).2. Various hybrid designs with a reversible interface for easy mating.3. Clear tactile click (Excellent locking)Hirose https:/...
- 2 Oct 2020
Take Contact Tracing to the next level by using a Taiyo Yuden EBSHSNZWZ board (with BLE + NFC)

BigG

Welcome to my new Coronavirus (Covid-19) use case for Bluetooth Low Energy Observer and Broadcaster modes (together with NFC Tag technology) Introduction What is the Bluetooth Low Energy (BLE) Exposure Notification Service So what’s wrong with the...
- 30 Sep 2020
RR PIC 18F DEV Mini V1.0 + PLL & IR Remote

43razor1

Designed up a development board few weeks ago called RR PIC 18F DEV Mini V1.0. Assembled and tested all the ports, accessories attached and all seems to work well!Targeted mostly at 18F range PIC MCU's by Microchip Technology Inc. https://www.microch...
- 29 Sep 2020
LED Speed: Experimenting With a One-Transistor Current Source

jc2048

This is a very quick item to get me going again and back into the habit of blogging. When jancumps showed us a one-transistor current source in Simple Electronic Control Systems - Current Control with 1 transistor ,I used it to drive an LED (see...
- 26 Sep 2020
Why I like a well-designed bootloader

daemoninformatica

Or, also known as: How I pretty much bricked, and then fixed a product I was roadtesting. The following story is something I encountered during my Roadtest of the MKR WAN 1300. (See roadtests.) I've mentioned the programming error I encountered ...
- 26 Sep 2020
Surf Report: 2020-09-25

airbornesurfer

In a bid to stay more on top of the various projects I have in progress, I thought it might be worthwhile to start a little bit of a production update journal. Of course, there are the big element14 presents tentpole builds, but I'm also exploring ot...
- 25 Sep 2020
ARM Mbed OS on a Bare nRF52840 Chengdu Ebyte Custom Target

parasquid

A few days ago, the Mbed team released version 6.3 https://os.mbed.com/blog/entry/Mbed-OS-63-released-today/ of the Mbed OS and along with it a BLE CLI app that is part of a new Bluetooth integration test suite https://os.mbed.com/blog/entry/Introduc...
- 22 Sep 2020
Introduction Arduino Web Editor

meera_hussien

Introduction To Arduino Web Editor In this simple video tutorial, it is explained to run it for the first time. Hope this will be helpful for the newcomers. www.youtube.com/watch
- 18 Sep 2020
UF2 and CircuitPython on the Chengdu ebyte nRF52840

parasquid

The nRF52840 by Nordic is an Arm M4 chip with 1MB of flash and 256KB of ram, and has native USB capabilities. This makes it very convenient to run Circuit Python. Circuit Python however, uses a bootloader called UF2 which Adafruit had adapted fo...
- 11 Sep 2020
How assumptions can lead to self-immolation of your work project

daemoninformatica

Also called 'How the mother of all mess-ups (lets not curse now) can mess up your entire morning.'... This is my first blog on this board, so be gentle. Also as you might observe, I have a rather self-deprecating sense of humor. I hope you enjoy it.&...
- 9 Sep 2020
History of Computer

everythingmechatronics

The abacus was the first device used for counting and computing.There are 3 generations of computer in the history leading to modern-day computers and these are:1st generation computers - Computers using vacuum tubes2nd generation computers - Compute...
- 7 Sep 2020
What is Mechatronics?

everythingmechatronics

Mechatronics is an integrated study in the field of engineering that unites the principles of mechanics, electronics, and computer with the incorporation of control system in order to developa much more simpler and reliable system. Learn more he...
- 7 Sep 2020
Trying Out the Chengdu ebyte nRF52840 Module

parasquid

The nrf52 modules I've ordered from aliexpress a couple of months ago (e14 unfortunately doesn't sell these modules) have finally arrived, and one of them was an nrf52840 https://psqd.pw/ebyte-nrf52840 module. I've been working mostly wit...
- 7 Sep 2020
Offloading Microblaze CRC and packet formatting

tcmichals

Offloading the MicroBlaze using two AXI stream compoentsThe past several blog postings were about connecting MicroBlaze processor to UART via AXI Stream. One of the requirements is the serial protocol must have a unique ending byte (EOP) to tri...
- 30 Aug 2020
How Many Tools Does it Take To ....... Remove a screw from the wall

dubbie

I've always known that it takes many more tools than you think to do even the simplest of jobs and today I was able to confirm that. One of my bedrooms is being redecorated and this involved removing some box shelve units, which in itself was ver...
- 29 Aug 2020
Chaining AXI Streams together

tcmichals

Background In my last blog there was an example of a AXI Stream between the DMA IP and UART IP, here the module definition (from github) module uart_axis #( parameter CLKS_PER_BIT = 16 )( /* &n...
- 26 Aug 2020
Project Crucible Raspberry Pi Benchmark Script

airbornesurfer

Xybernaut Wearable PC element14 presents | AirborneSurfer's VCP Profile | Project Videos This bash script runs as sudo, installs the sysbench application as its only dependency, and loops through three benchmarking tests giving...
- 26 Aug 2020
How To Install Windows 98 On A Raspberry Pi

airbornesurfer

Xybernaut Wearable PC element14 presents | AirborneSurfer's VCP Profile | Project Videos www.youtube.com/watch As part of Project Xyberpunk for element14 Presents, I needed to rebuild a Xybernaut MAIV wearable computer from the ...
- 25 Aug 2020