Mike has posted a detailed tutorial on how to modify an ordinary plugin soldering iron to work with a digital temperature controller: A thermocouple was mounted internally inside the soldering iron so it is out of the way. The idea was to … Read more
Category Archives: how-to
Erich writes: I’m using mostly an external terminal program like Termite. But it is a very useful thing to have a terminal view in Eclipse so I do not need to switch to another application. All what is needed is … Read more
Razvan Dubau over at Extragsm posted a how-to on using an ESP8266 module as a wireless switcher: A custom firmware to transform the ESP8266 wifi module into a wifi http based switcher GPIO02 is used as an output pin. You can connect a … Read more
Felix Rusu of LowPowerLab has posted a detailed tutorial on how to laser etch SMT stencils: In this blog post I want to show you my new method that I’ve been using since I’ve purchased a laser cutter from china. It’s using the … Read more
In this video Ben Krasnow of Applied Science demonstrates how he collect digital electron microscope images with his Tek MDO3000 oscilloscope. Via contact form. Thanks Jan Henrik!
This video by Shane Ormonde discusses the low power magnetic hold and release mechanism: With the inductor and magnet combined, ferrous metal objects can be held without any power indefinitely. To release the metal object the magnetic field holding it up needs … Read more
From the comments on our previous PCB Checklist post, George Hadley shared this helpful checklist for submitting a PCB to a fab house: Systematic PCB Verification Approach (PDF!): 1. Parts completion check: 1. All major components included? Microcontroller/FPGA/SoC/Microprocessor/CPLD? Power supply/regulation? Sensors? User interface … Read more
Baldengineer’s checklist for submitting a PCB to a fab house: Recently I’ve been expanding my retro game collection to include game cartridges imported from Japan. The problem is that I don’t have Japanese game systems (yet). So I’m creating an open … Read more
follower from rancidpacon writes, I recently wrote a 15-page getting started guide for the $5 ESP8266 WiFi modules for Kiwicon 8, a local New Zealand hacker con. It’s available as both HTML and a PDF. It provides details on: how … Read more
j3tstream writes: Like many people, i buy, time to time, some chips or shield from Chinese (dx, aliexpress, ebay) vendors, unfortunately my FTDI FT232 breakout was a fake chip, here he is a interesting thread about that. Jordi Binefa , (thank, … Read more
A steampunk high quality MP3 player by Horatius.Steam, an instructables here. Check out the video after the break.
Tom Van den Bon and Sebastian Schocke of Binary Space, a makerspace in the Vaal Triangle, have put together this build challenge for their members. For December at Binary Space we wanted to do something a cheerful and colourful. We … Read more
Paul over at Dorkbotpdx has written an article on 3 steps to good SPI Bus design: A much better SPI bus design can prevent conflicts. 3 simple improvements are needed: Use pullup resistors on all chip select signals. Verify tri-state behavior on … Read more
Ray writes with this technique for installing open source drivers on Windows. I came across a surprisingly simple approach to installing USBasp and USBtiny drivers for all versions of Windows — XP, 7, 8, 8.1, whether 32-bit or 64-bit, all … Read more
Richard from Zoetrope wrote this blog article about a PCB to make using the AS5048A angle sensor really easy. He used dirtyPCBs for the board, and Zoetrope will be giving a few of them away. Via the contact form.
rampadc shared detailed instructions of how to solder headers without drilling holes: During a moment of weakness and extreme laziness, the idea of soldering a through-hole header as normal SMD components popped up. This method is probably quite old and … Read more
Peter Jakab has written a new article on how to adapt character LCD modules for 3 volt operation. Generic character LCD modules contain an industry standard HD44780 compatible controller, which can operate down at 3 volts. But the modules are … Read more
Ralph Doncaster writes: In virtually all of my micro-controller projects, I’ll use 0.1uF ceramic capacitors between Vcc and Gnd. Depending on the power draw of the MCU and inductance on the power lines, they may not be necessary, at a … Read more
JohnLittle writes: I finally got round playing with my AVRASP v2.0 boards. The ones Sleepwalker3 mentioned. Thanks mate! I bought three USBASP v2.0 on ebay for under £1.50 each. They each came with a short cable (5×2 sockets at each … Read more