JanW built a Part Ninja on perfboard. He used a DIP cased microcontroller and through hole parts. He also replaced the 2.5V voltage reference with the similarly specced LM385-2.5. The connections were made with enamelled copper wire AWG 28. The … Read more
Here’s a project log covering the build of an adjustable constant current load. It’s capable of sinking up to 7A, and can withstand input voltages up to 60V. The log covers the design, perfboard assembly, and case assembly. An adjustable … Read more
Casey O’Donnel shared his free IR Toy Shield PCB build. This board turns your Arduino into the IR Toy. If you build a free PCB we’ll send you another one! Blog about it, post a picture on Flicker, whatever – … Read more
Gege2b built a Nokia LCD Backpack free PCB. This board controls common Nokia LCDs like those sold by SparkFun via USB. It was intended to be produced, but problems with LCD supply shot it down. You can still get the … Read more
Mikelelere wanted to play around with the Part Ninja, but he didn’t have one of our PCBs. He used a perfboard to build his own. His goal is to integrate ESR measurement: I’ve just finished building the Part Ninja v1 … Read more
Xykon built an EzPSoC3 free PCB. This is a development board for Cypress’s PSoC3 System-on-a-chip IC. If you build a free PCB we’ll send you another one! Blog about it, post a picture on Flicker, whatever – we’ll send you a … Read more
Didn’t design our own. Used great open source SMPS from desmith.net. 180v from 12 volts out of the atx break board in handsome new case. Design uses max1771 from maxim. Sorry – posted from WordPress Android app. Fixed the picture.
Phalox built a Nokia LCD Backpack free PCB. This is a small color display for which we made a USB controllable backpack. Unfortunately we were never able to source the screens themselves so this project was discontinued, and the boards … Read more
David built a free Bus Pirate v3.5 PCB. The Bus Pirate is an open source hacker multi-tool that talks to electronic stuff. If you build a free PCB we’ll send you another one! Blog about it, post a picture on … Read more
Hlipka built the XC95144XL CPLD breakout board free PCB. The board has 39 of the CPLD pins broken out to a “Blade” style configuration, while the remaining pins are broken out to two dual-row headers featured on top corners of the … Read more
Exapod built a USB IR Toy v1.1 free PCB. With the USB IR Toy you can use a remote control with your computer, view infrared signals on a logic analyzer, capture and replay remote control buttons. If you build a … Read more
Schazamp built the XC95144XL CPLD breakout board free PCB. The board has 39 of the CPLD pins broken out to a “Blade” style configuration, while the remaining pins are broken out to two dual-row headers featured on top corners of … Read more
NBitWonder built a free Bus Pirate v3b PCB. The Bus Pirate is an open source hacker multi-tool that talks to electronic stuff. If you build a free PCB we’ll send you another one! Blog about it, post a picture on Flicker, … Read more
Asarli shared his Bus Pirate v3.5a SOIC PCB build. These boards were designed with the larger SOIC PIC microcontrollers, making them easier to solder for beginners. Get an assembled Bus Pirate for $30, including world-wide shipping. Also available from our … Read more
Toasterbotics blogged about his free USB IR Toy shield PCB build. This board turns your Arduino into the IR Toy. If you build a free PCB we’ll send you another one! Blog about it, post a picture on Flicker, whatever – we’ll … Read more
Slack built the SARduino 644/1284 board by Andrew Schamp he got from our free PCB drawer. It’s an prototyping board with support circuitry for Arduino compatible ATmega AVRs. If you build a free PCB we’ll send you another one! Blog about it, … Read more
Ashley blogged about his free Bus Pirate Demo board v5b PCB build. This board is used to emulate a bunch of real world ICs that use the various protocols supported by the Bus Pirate. If you build a free PCB … Read more
Here’s a followup to our 30x Bus Pirate v4 build workshop post. You can check out the pics and videos of the group build on Google+: There were four of us involved in the planning and running of the build. … Read more
Sdixon organized a group build of Bus Pirate v4 PCBs: Yesterday we held our group build and it was a great success. About 25 people built a total of around 30 Bus Pirate V4c. All but one of them worked! … Read more
Palma built the PIC18F2550 Breakout Board free PCB. The PIC18F2550 is a really popular USB chip from Microchip. There are lots of projects floating around the internet for it, as well as some of our own, like the USB IR … Read more
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