My mini SMD version. Size=LCD : ) hakko 907 works great +- 0.5C , but weller pes 51 with +- 10 C. dtmf shared his mini SMD version of the solderiron driver in the project log forum.
Author Archives: DP
#FreePCB via Twitter to 2 random RTs
Every Tuesday we give away two coupons for the free PCB drawer via Twitter. This post was announced on Twitter, and in 24 hours we’ll send coupon codes to two random retweeters. Don’t forget there’s free PCBs three times a every week: Hate Twitter and Facebook? Free PCB Sunday is the classic PCB giveaway. Catch […]
Logic Sniffer 16-bit input buffer wing back in stock
Logic Sniffer 16-bit input buffer is back in stock at Seeed Studio. This accessory buffers the extra 16 I/O bits on the ‘wing’ header. The Open Logic Sniffer buffer wing in stock and shipping now for $15.
Workshop Update for March 11th, 2013
Finished federal taxes and started on state. Full service accountant next year for sure! Work continues on the Bus Pirate Edu Kit documentation. Two exercises are documented, only ten to go. We had to adjust the models due to some minor last minute changes.
Maker Faire UK in Newcastle April 27-28, 2013
TonyD let us know about the Maker Faire UK in Newcastle on the 27th, and 28th of April: Maker Faire UK is back in 2013 in Newcastle on Saturday April 27th and Sunday 28th. Details are here If you can’t wait that long there’s a Mini Maker Faire in Edinburgh on Sunday 7th April Via the […]
Bus Pirate v3.6 back in stock
Bus Pirate v3.6 universal serial interface is back in stock at Seeed Studio. This is the updated v3.6 in a standard PCB footprint. You can get a simple laser-cut acrylic protector for this board for only 3 bucks. Bus Pirate is a hacking multi-tool that has the capability to interface with most IC bus protocols […]
Free PCB Sunday: Pick your PCB
We go through a lot of prototype PCBs, and end up with lots of extras that we’ll never use. Every Sunday we give away a few PCBs from one of our past or future projects, or a related prototype. Our PCBs are made through Seeed Studio’s Fusion board service. This week two random commenters will […]
Atmel AVR042: AVR hardware design considerations
This app note discusses common problems encountered when starting designs involving AVR microcontrollers: This application note has been written to provide answers to some of the questions and problems faced when starting designs involving Atmel®AVR® microcontrollers. The application note treats topics that are known to cause problems. The scope is to provide an introduction to […]
NiMH trickle charger with status indication
NiMH trickle charger with status indication: In spite of the considerable media attention to the concept of recyclable power sources, usage of rechargeable Nickel-Metal Hydride (NiMH) cells has been limited. The combined charger and cell cost have been a mitigating factor in favour of primary cells. The high internal impedances of primary cells are not […]
Stability 101: Loop gain in operational amplifiers
This video by Analog Devices’ Matt Duff discusses the key term, loop gain, in determining whether an operational amplifier circuit is stable.
Workshop Update for March 8th, 2013
This year we file as a multi-member LLC, which is classified as a partnership by default. First we did form 1065, basically a summary of the business with income, deductions, and section 179 (depreciated) property attachments (form 4562). Also a 1225-A Cost of Goods sold for the PCB store experiment, as well as a Schedule […]
RGB pixel clock
Tobias Floery built this RGB pixel clock and wrote a detailed explanation describing the build. These RGB Pixels look like they are fun to work with since they are so versatile. Tobias Floery is having some fun building an RGB Pixel Clock using a string of them. You can see the 3 parts of the […]
Kicad Tutorial: Using the autorouter
WayneAndLayne is doing a series of short Kicad tutorials. This next tutorial in the series will show you how to use autorouter: Routing, the process of connecting all the pads of a printed circuit board (PCB) layout, can be a time-consuming and tedious process. To avoid the time and frustration of manually routing your PCB, there […]
Free PCB coupon via Facebook to 2 random commenters
Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters. More PCBs via Twitter on Tuesday and the blog every Sunday. Don’t forget there’s free PCBs three times every week: Free PCB Sunday. The classic. Every week, get […]
Week in (p)review March 08, 2013
Here’s a summary of major developments over the last week. Free PCB Friday is coming up soon. WORKSHOP VIDEO #58: Visit to Switch-Science open hardware offices in Akihabara, Tokyo, Japan Possible issue with voltage regulation on some Bus Pirates USB Infrared Toy v2 and Sick Of Beige basic case v1 (DP10080) are back in stock at […]
Improve wireless doorbell
Trandi posted a step by step guide of his DIY wireless doorbell build: So this was the perfect pretext for a small electronics project, centred around the idea of a simple voltmeter that would notify us when the voltage goes below a safe level. This would most easily be done with a small micro controller […]
Workshop Update for March 7th, 2013
Today we focused on editing and posting today’s video. We made adjustments to the header the Bus Pirate Edu Kit will use, which promoted rewiring of the models we previously made.
Tutorial: Panelizing PCBs in Eagle
Viktor wrote a short tutorial on how to panelize PCBs in Eagle: Panelizing PCBs is often required when making a smaller PCB than the minimum size a fabrication house accepts. However, it is not straightforward for the hobbyist to do it without expensive software tools.
Poorman’s OLED test jig
Baoshi has designed and built this OLED test jig using pogo pins: I made an inquiry on Dangerous Prototypes forum asking for an ideas about how to make a test jig for the panel. Less than a hour later I received a replay from matseng. He suggested me to use pogopins to make a jig. […]
Giveaway: Ten NU-Fithole PAW
Mats has amazed us with his board a week projects, and now one of them could be yours! Today Mats is giving away NU-FitHole hole size helper to ten random commenters. This tool helps to determine exact hole dimensions for screws and other parts.