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Posts Tagged ‘DIY’

Programmable relay switch using PIC MCU (revised version)

Thursday, June 30th, 2016

Raj has documented his DIY programmable relay switch using PIC16F1847 microcontroller: Here are the summary of the features that this programmable relay switch has: On-board +5V voltage regulator (operates at 9-15V DC input) OFF and ON time setup for the relay operation Option for cyclic run (maximum 100 cycles, after...

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Posted in PIC | 3 Comments »

Remote controlled beer crate

Tuesday, June 7th, 2016

Niklas Roy blogged about his DIY remote controlled beer crate: The “remote controlled beer crate” is actually just a flat plywood platform on which standard sized beer crates can be placed. It is driven and steered by two windscreen wiper motors with direct attached casters. Two swivel casters in front stabilize...

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Posted in DIY | No Comments »

La Skala Arduino controlled ladder attenuator

Wednesday, June 1st, 2016

Dimdim has designed and built his own stepped ladder attenuator, controlled by an Arduino: A few years ago I had an encounter with a ladder volume attenuator. I loved hearing the relays clicking away as they dialed-in the desired attenuation. Ever since then I wanted to design and build one for...

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Posted in Arduino, DirtyPCBs.com | No Comments »

T-baneklokke – coundown clock

Saturday, May 7th, 2016

Joakim made a coundown clock for his wife and documented the whole process on his blog: The clock is built using an Arduino, and has a battery powered real time clock to remember the time while powered off. To make it truly stand alone I added the possibility to set the time...

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Posted in Arduino, clock | No Comments »

110v temperature controlled soldering station build no. 2

Saturday, April 23rd, 2016

Mike Doughty from PCB Smoke shared his DIY 110v temperature controlled soldering station in the project log forum: This project is build number 2 of a 110v temperature controlled soldering station. It is a follow-up post to the project that I was working on last October. Blog post with complete...

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Posted in project logs | No Comments »

A DIY wearable posture sensor

Wednesday, March 9th, 2016

Want to improve your posture? This wearable posture sensor from Coretech Robotics will remind you whenever you slouch and help you maintain a good posture: Posture sensors/monitors have been a recurring theme on this blog. They are supposed to remind you of your posture and prevent you from slouching, which...

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Posted in DIY, sensors | No Comments »

Music Thing Modular Axoloti control board

Thursday, February 25th, 2016

Tom Whitwell from Music Thing Modular built a DIY control board for Axoloti, that is available on Github: Axoloti is a very nice €65 audio board from Belgium, the closest thing I’ve yet seen to an Audio Arduino; lots of easy analog ins and outs for pots and switches, enough...

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Posted in open source | No Comments »

Quantifying cooling

Thursday, February 18th, 2016

Chris Palmer (a.k.a nophead) has designed and built this coolometer project to quantify the cooling effectiveness of various fan: I was wondering about how I was going to calibrate the airflow reading but then realised that the flow rate is not actually what I am interested in. It is the cooling effect...

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Posted in DIY, measurement | No Comments »

DIY synth building, part 2

Tuesday, February 16th, 2016

Here’s a video tutorial on making a sequencer circuits from Casper Electronics: Learn how to make a variety of musical pattern sequencers using a few common electrical components and a breadboard. See the part 1 video on building oscillators here.

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Posted in how-to | No Comments »

flip-flop/BCF project

Thursday, February 11th, 2016

Ray over at the diyAudio forum has been working on his flip-flop/BCF project: I've just finished a project to roll up the developments into a more 'finished' build, feeding the balanced outputs from the flip-flop board into a Broskie BCF buffer stage. I'm using Nicks MJ Statistical Regulator for the B+ and...

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Posted in DIY | No Comments »

DIY USB volume knob

Wednesday, January 6th, 2016

Markus Gritsch made a nice USB volume control knob for his computer: After having been inspired by this Instructable [1] I also wanted to make a nice looking volume knob to attach to my computer. It uses the TrinketHidCombo library [2], but on a Digispark board, to have one more...

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Posted in project logs | 1 Comment »

INA219 current sensor DIY Breakout board

Friday, January 1st, 2016

A INA219 current sensor DIY Breakout board project from Juan Ignacio: Another small board, this time for a INA219. The INA219 is a high-side current shunt and power monitor with an I2C interface. For testing I used Rei VILO library with a MSP430G2553 and Energia, and I measured the power consumption for...

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Posted in DIY, sensors | No Comments »

Paint Machine, a printer that prints small bitmaps on the street

Thursday, December 24th, 2015

Alex Weber has posted a new project on building a DIY Paint Machine, he writes: Here is my latest creature, the Paint Machine. It’s a machine the prints simple bitmaps with spray chalk on the street or sidewalk. Some of the key features: *dimension: width: 220cm, length: 38cm, height: 24cm, weight: 12kg...

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Posted in Arduino, DIY | 2 Comments »

Lab LED constant current controller board

Friday, December 18th, 2015

Ladvien blogged about his Lab LED constant current controller board project he made using DirtyBoard PCBs: A little lab controller PCB I'm working on. It centers around four high-power constant current circuits meant to be driven by an Atmega328's PWM. I hate working on anything mechanical in dim light; comes...

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Posted in DirtyPCBs.com, LEDs | 3 Comments »

Arduino Mini CNC Plotter Machine from DVD drives

Wednesday, December 9th, 2015

An instructables on how to make an Arduino based mini CNC plotter from old DVD drives by Ardumotive_com: For the X and Y axes we will use two stepper motors and rails from dvd/cd drives and for the Z axis we will use a small servo motor that moves the pen up...

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Posted in Arduino, how-to | 1 Comment »

Logic Sniffer in a 33.6Kbps modem case

Wednesday, November 4th, 2015

Peter Murray blogged about his Logic Sniffer case made from a 33.6Kbps modem box: I have had my Open Workbench Logic Sniffer for quite a while and I have found it to be a very useful piece of kit. I have recently ordered an expansion to upgrade it to a...

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Posted in cases | No Comments »

Building a SmartWatch part 1

Tuesday, November 3rd, 2015

Benjamin Blundell has been working on his DIY smart-watch: I have an issue with smart-watches. Watches in general fall into one of two categories: a tool to tell the time, or a fashion statement. Increasingly, I believe the latter category is larger than the first. With the advent of the iWatch,...

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Posted in DIY | No Comments »

Beaglebone Black music box project

Wednesday, October 7th, 2015

Brian's Beaglebone Black music box project:  I would like to thank Miero for his hard work on the linux I2S driver for Beaglebone Black's SOC without the driver this project would not exist. You can see the design in its enclosure here below and in the following video The design is...

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Posted in project logs | No Comments »

DIY model train controller project

Tuesday, October 6th, 2015

Ron Hoffman over at Gadgetronicx has written up an article on his DIY model train controller project: Model trains are fun toys which every one of us used to play with in our childhood. Many sophisticated and attractive model trains are available in the market now a days yet the basic principle...

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Posted in DIY | No Comments »

DIY 110v temperature controlled soldering station

Monday, October 5th, 2015

Mike Doughty over at PCBSmoke shared his DIY 110v temperature controlled soldering station in the project log forum: This post shows how to build a do it yourself 110 volt soldering station. It is a step by step guide that shows how to convert a regular plug-in soldering iron into a temperature...

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Posted in project logs | 1 Comment »

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Recent Comments

  • KH: He had qualms about electrolytic cap leakage impacting sleep current. I think such leakage is very low and hard to measure using hobby equipment, so...
  • Mike: Love these! great source for makers!
  • KH: Is my eyes playing tricks on me or did he just use gobs and gobs of solder on the top side?
  • Doug: When do we find out the winner??
  • KH: Oh wowsers, you're right, now that I've looked at his page, horrors, another scary copper pour. That thing also needs a box... I hope nobody...