Dan Beaven has written up documentation on his Chinese K40 Laser upgrade: I’ve wanted to start playing with Laser Cutter/Engravers for quite a while. I finally happened across a great deal on a Chinese made 40 watt Laser Engraver with the … Read more
Category Archives: how-to
Oskar’s tutorial on how to patch the USB Infrared Toy driver into LIRC sources. Get detailed instructions on github. You can get IR Toy v2 for $22.05, including world wide shipping.
Steve Chamberlin wrote a how-to on building your own 68 Katy. We wrote about it previously: Assembling the PCB requires soldering one surface mount component, the 44 pin CPLD in TQFP package. It can be soldered with a standard iron … Read more
A DIY PWM to PPM converter using an Arduino Pro Mini from Al Prettybong. Oscar wrote a post on his blog detailing how Al made it: For radio receiver, there are a few output signal formats. The traditional and also … Read more
Ondřej Karas writes, “One year ago, I published two posts about PWM module driven by IQRF. But there is also another way, how to generate PWM signal from IQRF TR module only. Just simple use PIC peripherals. This post is … Read more
Paul over at DorkbotPDX writes, “Often I throw together a quick demo for the bi-weekly DorkbotPDX meetup, usually involving one or more pots to adjust parameters. Finally, I’ve come up with a pretty good way to put pots on solderless … Read more
Iñigo of ElektroQuark shares his experience with DirtyPCBs (machine translation). He talk about how to order at Dirtypcbs.com and how to prepare files from KiCAD for DirtypPCBs. Via the contact form.
An instructables on how to make a WiFi smoke detector by Proto G: This is a simple WiFI Smoke Detector that texts me when it senses smoke. I made this for my battery storage area in case of a lithium … Read more
As a follow up to the Soldering Iron PID temperature controller post, Mike Doughty of PCB Smoke blogged about on how to modify an ordinary plugin soldering iron to work with a PID temperature controller – second version: This new … Read more
Want to add this on your car? Check out Eddie Zarick‘s video on how to install a pressurized water system on your car bumper: A step by step guide to me cutting up my 15′ Wrangler and installing some running … Read more
Voja Antonic over at Hackaday posted a detailed how-to on building enclosure out of FR4— AKA PCBS: Another way is to build the enclosure out of FR4, a material which is commonly used in PCB production. Such enclosures are low-cost, with … Read more
Mohamed Afzal has written an article detailing how to send data to Thingspeak.com with ESP8266 + DS18B20 temperature sensor: The stock Firmware in the ESP8266 supports AT commands and for communicating with this need an micro-controller like Arduino. But i want to make … Read more
Liyanage over at Carbide 3D Community site writes: Milling PCBs was one of my main reasons for getting a Nomad. I finally found some time to learn how to use Eagle and the related tools and mill my first boards. … Read more
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
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