Member and Staff Blogs

  • A Cardputer with a C5 extension running Bit Pirate

    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...

  • 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 ...

  • 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...

  • 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...

  • 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...

  • 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 ...

  • 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,...

  • 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!

  • 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...

  • 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 ...

  • 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...

  • What was your last Aluminum based Project?

    e14phil
    element13 Certified Joined the group of element13 insiders for the metallic redesign in 2026! ...

  • Top Aluminum Facts! - element13

    e14phil
    element13 Certified Joined the group of element13 insiders for the metallic redesign in 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...

  • 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 ...

  • 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

  • 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...

  • 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.

  • 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...

  • 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 ! 

  • 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...

  • 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...

  • 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 ...

  • 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...

  • 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 ...