Member and Staff Blogs

ESP32 Bit Pirate: a browser-based hardware debugging ecosystem around ESP32

geotp

ESP32 Bit Pirate is open-source firmware that turns your device into a multi-protocol development and analysis tool, inspired by the legendary Bus Pirate. When I started working on ESP32 Bit Pirate, the idea was simple: take the spirit of the origina...
- 30 Jun 2026
ESP32 Bit Pirate - A Hardware Hacking Tool with Web-Based CLI That Speaks Every Protocol

geotp

ESP32 Bit Pirate is an open-source firmware that turns your device into a multi-protocol hacker's tool, inspired by the legendary Bus Pirate. It supports sniffing, sending, scripting, and interacting with various digital protocols (I2C, UART, 1-Wir...
- 9 Jun 2026
Cutting Edge PLC Implementations.

SensoredHacker0

Oh Boy, Ive really done it now. When I told our OEM PLC supplier that we need to delete old log files, They just about lost it. We can write files, every second of everyday, but when the on board memory gets full, there is no method ...
- 25 May 2026
Analog Discovery 3 - current and power measurement

kk99

Background The Analog Discovery 3 has support for two programmable power supplies with a voltage range 0.5V to 5V and -0.5V to -5V. These power supplies have support for voltage readback, but there is no information about current usage. Even t...
- 16 May 2026
Validating an idea: a tool to explain STM32/Cortex-M HardFaults more clearly

Moussa1492

Hi everyone, I’m working on a small tool idea around STM32 / Cortex-M debugging, and I’d like honest feedback before building too much. The problem I’m trying to validate is this: When a Cortex-M firmware crashes into HardFault_Hand...
- 13 May 2026
Analog Discovery 3 - Curve Tracer

kk99

The WaveForms has a nice feature that allows us to perform characterization of elements like diodes or transistors. By default, it requires a dedicated adapter. However, there is an option to use a breadboard and a simple circuit. For example, to ch...
- 9 May 2026
Thank you E14 For The Surprise

meera_hussien

I received this surprise swag bag last week, but unfortunately I was not able to make a post because I was having problems with my desktop. Now that the issue has been resolved, I am finally able to share it. First of all, I was completely surprised ...
- 17 Apr 2026
See a Parakeet Dive Underwater in Its Own Submarine

Catwell

Bebe the green parakeet explores the underwater world In a DiY submarine built by Steven Lawyer. (Image Credit: bebebirdparrot/Instagram) Parakeets are great pets with high intelligence and social skills. However, they can’t dive in the water,...
- 16 Apr 2026
E14 swag set received!

JWx

I have also recently received unexpected package full of E14 swag, along with 2025 Community Roundup badge E14 staff - thank you very much!
- 13 Apr 2026
Analog Discovery 3 - StaticIO

kk99

Some time ago, I occasionally bought an HP 5082-7010 LED display, which I did not have time to test if working properly. Today I decided to do this with the help of Analog Discovery 3. The HP 5082-7010 is a single-digit red LED numeric display modu...
- 11 Apr 2026
E14 Swag Bag - Thank you E14

arvindsa

I received by Swag bag yesterday, Being mentioned as a Rising Contributor in 2025 Year in Review & Celebrating You It has been a honor to be part of this community. I started being active on this community almost an year ago and ...
- 8 Apr 2026
Thanks for the swag surprise

BigG

I was taken by surprise when a package had my name on it and it wasn't something I remembered ordering. It was full of swag from e14. Happy days. Thank you so much. It's always appreciated. As a fan of e14 I just love the fan... after la...
- 4 Apr 2026
What was your last Aluminum based Project?

e14phil

element13 Certified Joined the group of element13 insiders for the metallic redesign in 2026! ...
- 1 Apr 2026
Top Aluminum Facts! - element13

e14phil

element13 Certified Joined the group of element13 insiders for the metallic redesign in 2026! ...
- 1 Apr 2026
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