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Archive for the ‘DIY’ Category

ESP32 and the CWTD ‘Test gadget’

Thursday, June 7th, 2018

DuWayne published a new build: I have been following a series of podcasts from 'Chatting with the Designers'  CWTD.ORG that cover building simple Arduino based test equipment.  I decided that this would make a nice way to get into development with the ESP32.  The CWTD 'Test Gadget' is basically an...

Posted in DIY, testing | No Comments »

Presenting the single ESC key USB keyboard

Wednesday, June 6th, 2018

  Glen Akins shares his latest build the single ESC key USB keyboard: After building the “awesomely impractical” giant three-key keyboard, I decided it was time to build something a bit more practical—presenting the single ESC key USB keyboard! This keyboard has exactly one function which is to provide an optimal...

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Posted in DIY, USB | 2 Comments »

Minimalistic 1D pong

Tuesday, June 5th, 2018

Here's a minimalistic 1D Pong game from Vagrearg: How little do you need for a game An exercise in futility. That is what many would call this endeavor. How few elements (signifiers and affordances) do you need to not only recognize a game for what it is, but also are...

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Posted in DIY, LEDs | No Comments »

ETA Nixie tube clock

Wednesday, May 30th, 2018

Mark Smith over at surfncircuits has a nice write-up about building an ETA Nixie Tube Clock: This DIY project will combine the estimated time of arrival function with a Nixie tube display to create an estimated time of arrival (ETA) Nixie tube clock. It is all easily controlled by a...

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Posted in clock, DIY, Nixie | No Comments »

SI5351 VFO project

Tuesday, May 22nd, 2018

Dave Richards (a.k.a. AA7EE) has a nice write-up about building another Si5351 VFO project: To many, this will be just another Si5351 VFO project, with nothing to distinguish it from the others. In fact, that’s exactly what it is. The “how to” of connecting an Arduino board to an Si5351...

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Posted in DIY | 1 Comment »

Rombus pinball – a LattePanda mini pinball machine

Friday, May 18th, 2018

Matt Brailsford (aka Circuitbeard) has a nice write-up about building his mini pinball machine with a lattepanda core running dual monitors: I generally start my projects by thinking about the hardware that I’m going to want to use as I’ll need to know sizes when it comes to the design phase....

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Posted in Arduino, DIY, gadget | No Comments »

Nickelbot – wooden nickel laser engraver

Thursday, May 17th, 2018

bdring posted an update on NickelBot project we covered previously: The NickelBot is complete and it works great. The goal of the project was to create an easily portable machine that creates low cost items that could be given away at events like Maker Faires. I think it has completely achieved...

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Posted in DIY | No Comments »

Using DC motors to power computers

Friday, May 11th, 2018

Electric generator experiment from HomoFaciens: The generators I am using are in fact geared DC motors, left over from a project with my sponsor RS Components. The modern abacuses being powered during my experiments are a Raspberry Pi Model, a SIMATIC IOT2020 and an Arduino Uno. A 2x16 characters LCD...

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Posted in DIY, techniques | 1 Comment »

Portable bench power supply v2 project

Thursday, May 10th, 2018

Luke writes, "A few years back I made a compact bench PSU based on a DPS-3002 module and a 24v PSU. I have since made a improved version that also includes the ability to run on my power tool batteries making it ultra-portable." See the full post on his blog here.

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Posted in DIY, power supply | No Comments »

Stand-alone simulated analog meter

Thursday, May 3rd, 2018

DuWayne S blogged about his stand alone simulated analog meter project: Thinking about what values I would like to display, I came up with three basic items.  A S-meter when in receive, and a power output display when in transmit.  In transmit, I would also like to have the capability...

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Posted in DIY, measurement | No Comments »

Attiny wearable

Monday, April 30th, 2018

Attiny wearable project from Facelesstech: It’s a foundation for a wearable platform. It’s a Nato watch strap threaded through a PCB with a coin cell battery holder between the PCB and the strap. I’m using a Attiny85 this time around but could be used for most chips/dev boards. This is...

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Posted in AVR, DIY | 3 Comments »

6 channel speaker selector

Monday, April 30th, 2018

Dilshan Jayakody published a new build: If you are an audio enthusiast and if you have multiple audio systems and speakers, you may definitely need to have a speaker selector switch. These switches allow you to route a audio signal through a switching system and distribute it to various speakers....

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Posted in DIY, PIC | No Comments »

DIY Moteino guide

Thursday, April 26th, 2018

Felix writes, "I posted a short illustrated guide for making your own Moteino from SMD components. It also includes details how to burn the bootloader and fuses. Check it out here. Thanks and credit goes to forum user LukaQ for his contribution of the images and test sketches in this...

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Posted in DIY, tutorials | No Comments »

The K7TMG HF Morse code temperature beacon

Monday, April 23rd, 2018

AA7EE published a new build, a little temperature beacon: This was a fun little project – and it gave me an idea for a future one. Sometimes, I find that the more complex undertakings, which require more planning, can get to the point that they “take me over” somewhat. At...

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Posted in DIY | No Comments »

NickelBot – Laser controller

Monday, April 23rd, 2018

bdring made this laser controller for his wooden nickel engraver project and wrote a post on his blog detailing its assembly: Here are some details on the custom laser controller I made for the NickelBot, wooden nickel engraving machine. I want to use Grbl to control the machine. Grbl has...

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Posted in DIY | No Comments »

A web configurable ThingSpeak logger, build on AVR ATmega328

Thursday, April 19th, 2018

Davide Gironi posted an update on Xively logger project we covered previously: This embedded platform is a modular and configurable ThingSpeak data logger, built on an ATmega328 micro, usefull to send datapoints to your ThingSpeak feed. This project is an update to the Xively logger presented here See the full...

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Posted in AVR, DIY | No Comments »

Lipo charge/boost/protect board in 18650 cell holder format

Monday, April 16th, 2018

Peter6960 published a new build: So couple months ago, GreatScott made a video where he designed a circuit. Nothing too innovative, just the same TP4056 charger the MT3608 Boost combined on one PCB. He did add a Lipo protection circuit though, initially using the same DW01. But then, the Aha...

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Posted in DIY | No Comments »

DIY Boostbox hand crank generator project

Thursday, April 12th, 2018

A DIY hand crank Boostbox by lasersaber at LaserHacker: This easy to make box uses no batteries but can still power a lot of stuff.  It really is a very versatile little BoostPack based device.  It would be the perfect thing to have on hand in times of emergency. Project info...

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Posted in DIY | 1 Comment »

A 7400 frequency counter, on perfboard

Monday, April 9th, 2018

jaeblog published a new build: I like perfboard, especially the ones with plated trough holes. But I also like SMD components, and more and more fun IC’s are not available in DIP. So a while ago I designed some perfboard with 1.27mm pitch, making some SMD parts like SOIC stuff...

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Posted in DIY | 4 Comments »

Colinear antenna for 868MHz Lorawan Gateway

Thursday, April 5th, 2018

Mare writes, "This is description of coaxial collinear antenna for 868MHz applications.  I designed this for Lorawan gateway." Project info at Mare & Gal Electronics homepage.

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Posted in DIY | No Comments »

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Recent Comments

  • Max: Hey, good job quoting as an abstract something the author writes about someone else's project... For the record, I do appreciate the proper attention to...
  • imqqmi: Also interesting to note that arduino's use the DTR signal to reset the device. I found this out because repetier was able to do this...
  • Kevin: A bit sad that you are using a knock off Saleae device unless you are not using Saleae software.
  • Max: For the Haxxor Edition he could add a Morse-to-scan-code translator to the code in the PIC (where the L337 Haxxor Special also accepts Unicode code...
  • KH: Someone with a PIC16F1459 project, well you don't see these every day. Methinks he repeats the USB 2.0 thing too much; this might mislead people...