Check out this solder paste stencil review [PDF!], including differences between laser cut and chemically etched stencils: Page 11 has nice photos comparing three stencil production methods, chemical, laser, and electro-form. There is good information, scattered through-out. pg 15 to paraphrase “go slower!” seems a key pattern, it’s repeated for other things like the spreader […]
Category Archives: kit biz
Alternatives to programming through a pin header
Menno posts several alternatives to using pin headers for programming microcontrollers. Most use spring loaded pogo-pins make contact with the programming signal pads. Check out more pictures on his Flickr page. Via the forum.
HOW-TO: Single member LLC/Sole proprietor taxes
Here’s a dirty subject many new kit makers don’t think about until the last minute: paying taxes. If you’ve sold your first kits or hardware you’ve got a lot of record keeping and paperwork to do. Here’s a rundown of how we’ve done our US taxes for the last few years, but we’re by no […]
BoardX motherboard update
Kevin unveils the first production run of the successfully funded kickstarter BoardX project. The BoardX are development boards intended for a wide range of microcontrollers, which are placed on add-on boards. It’s finally here, after months and months of waiting. The box that arrived weighed about 45 pounds and was divided neatly into four smaller […]
Biodegradable anti-static bags
All-Spec Industries contacted us about a biodegradable anti-static bag they’re selling for the same price as regular anti-static bags. They have the same properties as the normal non-biodegradable anti static bags, only these degrade within 9 months and don’t pollute the planet. We have a pile of plastic part bags sitting around from Mouser and […]
BoardX kickstarted project overshoots target by $8K
Developers of the BoardX started a kickstarter project with a target of $5K. They have reached their goal and overshoot it. Congratulations. The BoardX is a multiprocessor development board we wrote about in an earlier post. It accepts custom modules with a large choice of processors and peripherals. Via the comments.
The magic blue smoke monster “skill badge” is here
Here is cool looking blue smoke monster “skill badge” from Adafruit. If you’ve ever had an IC go “poof”, this is the badge for you. For the uninitiated, blue smoke refers to the puff of smoke made when some electronics parts fail and explode. The skill badges you can pick up in our store (and […]
DSJTAG – USB JTAG debugger and programmer for both Xilinx and Altera IDEs
Seeed has a cheap JTAG programmer/debugger for both major FPGA/CPLD brands. It emulates both the Xilinx Platform USB Cable and Altera USB blaster JTAG programmers with a flip of a switch. As a Xilinx Platform USB Cable it is supported by the manufacture’s iMPACT, ISE, Chipscope and EDK software bundles. The firmware is upgradable through […]
Chemically etched stainless steel stencils from ITead
ITead started offering chemically etched stainless steel stencils. They’re usually used for easy solder paste placement on SMD boards. They recommend their stencils for SMD components with a pin spacing greater than 0.5mm, and passive components in 0603 packages and above. Stencils are 0.1-0.2mm thick, and are supplied with supporting frames. Available frame sizes range […]
nedoCPU-32 through hole PIC32 dev-boards are available
Shaos let us know that his nedoCPU-32 boards and kits are available for purchase on his site. The nedoCPU-32 is a breakout board for PIC32 microcontrollers that come in through-hole packages. His board has a built in power supply, a quartz oscillator, and a passive protection circuit on the broken out pins. We covered the […]
DSO Quad – Aluminum Alloy version launched
Seeed Studio has added a choice of aluminum alloy shells for the DSO Quad. It costs 20 bucks more then the normal version, but a free laser engraving service is included. DSO Quad – Aluminum Alloy now is available at Seeed Studio. A new, rigid, elegant aluminum alloy shell makes the Quad even better.
Nixie clock HV power supply
Luca is building a Nixie clock, and in this post he covers the high voltage power supply section. Nixie tubes are digit displays that use ~170V between the digit wire and a wire mash, to agitate the gas inside the tube. This surrounds the digit wire with a orange glow and it becomes visible through […]
Open source SMT pick and place machine
Ever get tired of fiddling with tiny surface mount components using tweezers and a magnifying glass? The OpenPnP project that aims to be your sweet relief: OpenPnP is a project to create the plans, prototype and software for a completely Open Source SMT pick and place machine that anyone can afford. I believe that with […]
MAKE Holiday Kit-A-Day Giveaway
MAKE has started their 2011 MAKE Holiday Kit-A-Day Giveaway. To celebrate the release of their latest publication, the Make: Ultimate Kit Guide 2012 (and its companion website), they’re giving away one of the cool kits reviewed in the issue each day during the holiday season. Check out the MAKE giveaway webpage for each day’s prize […]
Black Friday post
It’s Black Friday, the busiest shopping day in the US. It’s a day to sell stuff, so here we are. At least you don’t have to wait in lines to get our stuff. Bus Pirate universal serial interface ($30), LCD adapter ($9), probe cable ($5), and case ($2.50) USB and Serial enabled LCD backpack ($17) […]
Volume part price analysis
Octapart has an interesting analysis on electronics part volume pricing, especially relevant for small production projects where finding cost-effective solutions is key. Recently, insights from platforms focused on leveraging cryptocurrency in various fields—like how Lucky Block is the best bitcoin casino for transparent transactions—highlighted parallels in managing financial risk across domains. You may also play […]
Backwoods logger prototypes, available now
Big Mess o’ Wires’ Backwoods logger prototypes are now available: The Backwoods Logger is a programmable graphing altimeter / thermometer, originally developed here at BMOW and now an open hardware project. Interested in the Logger, but don’t want to build it yourself? Assembled prototypes of the Backwoods Logger Mini, BLsync adapter, and blank Logger Mini […]
Seeed Studio: Laser cutting service beta
Seeed Studio is now doing laser cutting of 3mm thick transparent acrylic. At the moment the service is in beta.
Xilinx CoolRunner-II CPLD starter kit
Arhi tipped us to this starter kit for CoolRunner-II CPLDs: I can highly recommend CoolRunner-II CPLD Starter Kit. I have this small board for a while and it’s more then you need to learn to use cpld’s and it’s fairly cheap ($60)… it’s of course proprietary, the atmel on board (that can be used to […]
Seeed Studio video channel
Seeed Studio has started posting videos. This week they demo the Rainbowduino Cube, a color 3D LED matrix based on the Arduino. Mandarin is spoken, with English in subtitles. This is an idea Eric from Seeed mentioned when were on the subway to NYC Resistor this summer. If you’re learning Mandarin with Adafruit these videos […]
