Member and Staff Blogs

Analog Discovery 3 - Pattern generator & logic analyzer

kk99

Today, I decided to check the pattern generator and logic analyzer features of the Analog Discovery 3. I have used a Microchip development board from the Curiosity Nano series with AVR16EB32 MCU, as a device under test unit. The AVR16EB32 MCU has su...
- 30 Mar 2026
E14 SWAG in a Bag thank you

colporteur

Save as Draft I just arrived home from an extended trip and what did my wandering eyes see but a swag bag from E14. My friends and family are enjoying the spoils. I typically share the stuff. The miniature USB fan I think I will keep. That has ...
- 30 Mar 2026
element14 Community Contributor Swag 2025

dougw

Thanks E14Alice and element14 for the surprise swag package for contributing to the community. Here is a quick video showing all the goodies..... https://youtu.be/4bk5VVIOIsY
- 29 Mar 2026
Surprise Anniversary Present

ralphjy

Thanks Element14 and E14Alice for the 2025 Contributor Swag package that arrived just in time for my 14th Anniversary next Tuesday! Very rewarding (literally!) to be part of this engineering community. Looking forward to participati...
- 27 Mar 2026
Surprise swag bag

beacon_dave

It looks like the Easter Bunnies have been busy again at e14. Many thanks for the mention in 2025 Year in Review & Celebrating You and many thanks for all the lovely surprise swag received today. Much appreciated.
- 23 Mar 2026
2025 Community Round-Up Bling (Swag?)

kmikemoo

Thank you element14 and E14Alice ! Earlier this morning, a package appeared on my front porch. What a great way to start a Monday. And inside the package was... e14 stuff!!! Whoo-hoo!!! As you can tell, I&#39...
- 23 Mar 2026
Thank you E14 for 2025 Contributor swag !

robogary

Great surprise delivery today, Christmas in March, for 2025 Contributor swag. Wonderful gifts, thank you so much !
- 23 Mar 2026
Fuelling e-waste: Amos TastySounds AudioLollipop Teardown

stanto

Touted as "Listen to music through your mouth", the TastySounds Audio Lollipop is all gimmick, and depressingly one-time-use. Even if you're handy with an exacto-knife, or your favourite decommissioning tool of choice. These 'sweets' come 'toys' have...
- 19 Mar 2026
Analog Discovery 3 - Impedance Analyzer

kk99

Today I have checked the adapter for an impedance analyzer which I recently received. I previously did some tests using a breadboard during which I manually chose resistors for measurement, but this adapter makes measurement easier, because we could...
- 9 Mar 2026
Analog Discovery 3 - network analyzer

kk99

Today, I performed a quick check of a network analyzer without using a BNC adapter (with differential input). The circuit under test was a simple RC low-pass filter, with a cut-off of around 294 Hz. Here is a schematic with indicated connections for ...
- 27 Feb 2026
Analog Discovery 3 - waveform generator

kk99

The waveform generator built into Analog Discovery 3 has a lot of features, from simple predefined signals to complex custom ones. Today's I wanted to check the sweep and modulation options. The first test was with signal swept from 1 kHz to...
- 22 Feb 2026
Experiments with the relaxation oscillator

kk99

Today, I built a simple relaxation oscillator with the 74HC14 integrated circuit. The purpose of this circuit was to get a reasonably fast rising time pulse generator. Here is measurement from SDS824X HD: It is observable a noticeable ringing. For ...
- 15 Feb 2026
1 Million Points Award

dougw

element14 sent a unique award to commemorate passing the 1 million point milestone. It wasn't expected and not something associated with the Ayrton level (12), but it was a very pleasant surprise. Unboxing Here is a video showing all the swag that a...
- 12 Jan 2026
2025 Summary of element 14 activity - DougW

dougw

Stats as of 2025-12-12 This is an annual summary to link my main blogging activity in the last year. These annual summaries help me find previous work. Vishay microBRICK Road Test - Camera Power Supply Nordic nPM1300 EK & Fuel Gauge Board Road ...
- 12 Dec 2025
Farewell to All element14 Members. I'm Retiring

rscasny

At the end of the week, I'm retiring. What can I say to express my appreciation for nearly 9 years on the community team and managing the roadtest program? It's been a wonderful experience to end my career. I've found my job both in...
- 25 Aug 2025
Black Box Surprise Prize

dougw

Intro This post details the last prize I received for the black box Halloween project. The other prizes for this project are posted here. The last prize was supposed to be a Raspberry Pi 5 4GB, but element 14 actually sent 2 Raspberry Pi 5's, one is...
- 18 May 2025
Forewarned is forearmed and why I can't print

colporteur

I had the network administrators quotidian task of resolving a user dilemma of I can't print. I received the user quintessential response "I didn't do a thing" to questions before taking the printer to my desk to investigate. ...
- 8 May 2025
Epic Waterfall Trip to Test New E-Bike

dougw

Intro This blog is to show the prize I received for my stepper machines project in the Start a Movement Design Challenge and say thankyou to the sponsors. (Analog Devices) The prize is a Wildeway electric bike. (Which was a substitute for the intende...
- 28 Apr 2025
Happy Earth Day 2025 to the E14 Community!

ralphjy

Technically Earth Day here in the US is on April 22 but it is generally celebrated for the whole week. Reminded me of it this morning because I need to watch my son's dog while he participates in a cleanup activity in downtown Portlan...
- 25 Apr 2025
Mystery Project #3 - clue 4

dougw

This is the 3rd mystery project - it might be easier to guess, especially once more clues are revealed, but it may still take a while before the full reveal because there are still a couple of parts apparently coming on a very slow boat. Also I'm not...
- 22 Apr 2025
Mystery Project #2 - Bluetooth Module Programmers

dougw

Intro I'm only playing hockey once per week this month, so no hockey tonight. This means I have some time to get started on a second mystery project. The idea of these mystery projects is to add some interactivity to the project blog by sequenti...
- 19 Apr 2025
Going Down anyone

colporteur

community.element14.com/.../VID_5F00_20250413_5F00_093914.mp4 I am working with a model railroader to use light, sound and/or motion to create animations in an office tower that is over three feet in height. Plastic people miniatures moving through o...
- 13 Apr 2025
Monitoring Bees in Oregon 2025

ralphjy

I posted earlier about putting out my mason bee houses. I haven't been very successful with bees nesting the last couple of years so I thought this year that I would put up a camera to monitor the activity at the bee house. I did a c...
- 12 Apr 2025
Mystery Project #1 - Pi Pico HID Volume Controller

dougw

Intro This is the opening salvo in my 4 project push. Rather than simply presenting a chronological documentary or a report format with objectives and dry design documents, I wanted to make it a bit more interactive, so I presented pictures of the sy...
- 5 Apr 2025
The way I used a COB LED 20W 230VAC

me_Cris

So, what do we have here? The goal is simple, using a COB LED (230VAC!!!) for occasional lighting where needed, good for home use. Natural white in color, and with a power consumption of 20W, this COB LED could not be used safely, and by that I mean ...
- 8 Feb 2025