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Posts Tagged ‘how-to’

Guide for BMP180 barometric sensor with Arduino

Thursday, October 20th, 2016

A how-to on using the BMP180 barometric sensor with the Arduino from Random Nerd Tutorials: The BMP180 barometric sensor (model GY-68) is the one in the following figure (front and back view). It is a very small module with 1mm x 1.1mm (0.039in x 0.043in). It measures the absolute pressure of...

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Posted in Arduino, tutorials | 1 Comment »

Tutorial: RFID tags with the NXP NFC controller PN7120 and Eclipse

Monday, October 10th, 2016

Erich Styger writes: Playing with RFID and NFC is definitely funūüôā, and they are everywhere! For a research project I‚Äôm exploring different RFID tags and solutions. I several types around for a long time, but never found the time to actually work on it, so last nightI thought I give...

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Posted in ARM, tutorials | No Comments »

Video: Talk MIDI with the Bus Pirate on Talk Like a Pirate Day

Tuesday, September 20th, 2016

[embed]http://www.youtube.com/watch?v=ICzDtjcUjbs[/embed] Here's a video tutorial on how to set up the Bus Prate for the MIDI protocol from Bent-Tronics: Until now there hasn't been much on the interwebs on how to set up the Dangerous Prototypes Bus Pirate for decoding MIDI data. Here's my contribution, which happens to be on International...

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Posted in Bus Pirate, tutorials | No Comments »

Capcom CPS2 security programming guide

Friday, September 16th, 2016

Eduardo Cruz from Arcade Hacker  writes: Dear all, after a few months of testing we are extremely happy to release the new clean desuicide / security programing method for Capcom's CPS2 hardware. This guide is the result of almost two years of work by an small group of arcade enthusiasts...

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Posted in tutorials | 1 Comment »

App note Quick-Start: Driving 14-segment displays with the MAX6954

Saturday, September 10th, 2016

Guidelines from Maxim on using the MAX6954 to drive 14-segment monocolor LEDs, app note here (PDF!): This article is how-to guide, intended as a quick learning aid for engineers considering using the MAX6954 to drive 14-segment monocolor LEDs. The MAX6954 is a versatile display driver, capable of controlling a mix of...

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Posted in app notes | No Comments »

DIY simple Hydrogen Generator

Tuesday, August 30th, 2016

A¬†how-to¬†on making a small¬†hydrogen generator from Abedmoghari, project instructables here. Check out the video after the break. (more…)

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Posted in how-to | 3 Comments »

DIY USB power bank from laptop battery

Tuesday, August 23rd, 2016

A DIY USB power bank made from an old laptop battery from DoItYourselfGadgets: A situation many can relate to: an empty smartphone battery and no outlet around! That's exactly why I recycled an old laptop battery into an USB power bank. This article will show you the basic powerbank circuit consisting...

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Posted in DIY, hacks | No Comments »

Tote – Quadruped robot

Friday, July 22nd, 2016

Radomir Dopieralski has a nice build log on his quadruped robot - Tote: Tote is a small (fits inside your palm), four-legged, walking robot, with three degrees of freedom per leg, Arduino for its brains and controlled either with a TV remote, or by additional electronics added on top of it....

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Posted in DirtyPCBs.com, robotics | 1 Comment »

Make the world’s cheapest MIDI tester

Monday, June 27th, 2016

Jesse from Bent-Tronics has posted a tutorial on how to make a DIY MIDI tester: A quick and dirty (and cheap) MIDI tester.  Sometimes you just need to know if a MIDI controller is outputting anything. Even many high-end MIDI modules/boxes will have a "MIDI Activity" light, just to let you know...

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Posted in DIY, tutorials | 1 Comment »

Arduvision II: OV7670 + FIFO module and arduino Mega

Tuesday, June 21st, 2016

David has posted a tutorial on how¬†to use an Arduino Mega to interface the ov7670 sensor. More details¬†at¬†TheRandomLab. Check out the video after the break. (more…)

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Posted in Arduino, tutorials | No Comments »

How to build a control circuit with adjustable working time via wi-fi

Friday, June 17th, 2016

Yahya Tawil over at All About Circuits posted a detailed how-to on building a control circuit with adjustable working time via Wi-Fi: In this article, you'll learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to perform this task...

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Posted in Android, tutorials, wireless | No Comments »

Neoway M590 GPRS tutorial: sending and receiving files from/to SD card

Friday, June 10th, 2016

Neoway M590 GPRS tutorial on sending and receiving files from/to SD card from Vadim Panov: Here's a bit of useful info from what I've been doing lately. I got a job to design a device that connects to a web-server via GPRS and downloads a bunch of tiny WAV files,...

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Posted in tutorials | 6 Comments »

Chrome Apps and serial port communication

Wednesday, June 8th, 2016

Luca Dentella writes, "When it comes to develop a GUI for your project, you may need to be sure it will be available for users under Windows, Linux and MacOS. Chrome Apps may be the solution: they are developed using the same technologies behind any websites (HTML5, CSS, javascript) but,...

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Posted in tutorials | No Comments »

Getting started with OPENOCD using FT2232H adapter for SWD debugging

Friday, May 20th, 2016

Yahya Tawil wrote a tutorial about flashing EFM32 MCUs with OpenOCD using FT2232H adapter: Learn how to make flashing your ARM-based MCU easy by using OpenOCD debugger with an FT2232H adapter. Old MCUs from vendors like ATMEL and MICROCHIP, like the PIC16F and Atmega family, tend to have a special...

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Posted in tutorials | No Comments »

Eagle CAD tips and tricks

Thursday, May 12th, 2016

Yahya Tawil from All About Circuits shares some Eagle CAD tips and tricks that you may not be aware of: Most hobbyists and many professionals use Eagle CAD as a daily tool in designing schematics and laying out PCB. I’m going to share with you the most important tips and...

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Posted in Eagle, tutorials | No Comments »

Handheld CNC router repairs old CNC machine

Friday, May 6th, 2016

[embed]http://www.youtube.com/watch?v=q8GFpSCK6Jk[/embed] In this video Ben Krasnow demonstrates how to use a handheld CNC router, the Shaper Origin, to make aluminum parts for his CNC mill. More details at Ben Krasnow’s blog.

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Posted in how-to | 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 »

Using Altium for a DirtyPCBs order

Wednesday, March 16th, 2016

Jarrett  has written an article describing a technique of using Altium for a DirtyPCBs order: This is a pretty rare combo: using a premium PCB package with the budget board house. Kinda funny. Generally these small run PCB houses provide DRU and CAM files for EAGLE design rule checking and...

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Posted in DirtyPCBs.com, techniques | No Comments »

How do I FPGA?

Friday, March 4th, 2016

TC-Engineering writes: I’ve been thinking about building stuff with FPGA’s for a while, and usually get turned away because FPGA’s are considerably harder to implement than microcontrollers since they have no on-chip memory. It is necessary to re-program the gates every time they power up, which requires an external flash...

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Posted in FPGA, tutorials | No Comments »

Making PCB vias with conductive ink

Monday, November 23rd, 2015

Here's an alternative method for making PCB vias using conductive ink from Diyouware: We developed an alternative method for making PCB vias through-hole using our robot. As you probably know the traditional DIY method consists in threading a wire through the holes and then soldering it and then cutting it off. For example, if...

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Posted in PCBs, tutorials | No Comments »

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