Every Tuesday we give away some extra PCBs via Twitter. This post was announced on twitter. The 6th and 23rd person who retweet it get free PCBs. We changed the approach this week due to auto-retweeters grabbing boards first. Thanks for the heads-up on auto-retweeters JT! Love it, hate it? Let us know in the […]
Author Archives: Ian
Protostack ATmega168A kit + USBasp programmer giveaway
Protostack gave us an ATmega168A development board and USBasp programmer to give away. This is the latest version of the AVR through-hole development board, it has with a flexible power supply and huge prototyping area. We’ve watched the Protostack board evolve over several years, and it just keeps getting more refined. The introductory tutorials are […]
Get your PCBs made
Digital DIY has a run down of PCB manufacturing options. Adafruit also has a nice one, and we’ve discussed it in the forum. Via Hacked Gadgets.
New PIC 24EP256 16bit, 60 MIPS
Nexus tipped us to Microchip’s new PIC24E general purpose microcontroller: Microchip’s PIC24E general purpose microcontroller family features the highest speed 60 MIPS core with excellent performance and code density. It offers superior ADC performance, enhanced CAN communication, easier graphic display interface through 8-bit parallel master port and up to 15 DMA channels for extensive data […]
Schamplifier mini chip amp
schazamp shared the Schamplifier: I am working on my own version of the Squelette mini chip amp, as presented in Make Magazine #23. My ambitions for this project are relatively unbounded, but knowing the trouble I have with follow-through, I am trying to start small and get a working stereo amp with a single input […]
Dangerous Prototypes: Partlist inventory
In a rare feat of organization, our revamped partlist inventory has every component used in our projects. Check it out the next time you’re trying to decipher a vague free PCB schematic that’s still in development. It’s inspired by Adafruit’s partlist, but with mostly surface mount parts. It’s full of notes about stuff we always […]
Massive DIY video game, controller, more
Chris made a mutant video game controller, console, and more, all wrapped up in a small project box. Check out the list of features: Propeller Board USB, Net Server, BlueSmirf Bluetooth, X-bee, DeadOn RTC, Lipo and onboard charger, On board USB-FTDI-Serial for both Prop and LCD, 4 gigs of SD card space (2 cards), IR […]
DIY solder mask ink now at Seeed Studio
This enamel coats homemade circuit boards with the same type of green protective solder mask used on professional PCBs. We were discussing DIY solder mask in the forum, now Seeed has it for sale (or will soon). A three pack with red, blue, and green is only $6.50. Seeed has a how-to tutorial. The paint […]
Thermal Tweeter on roll #10 @dangerousproto
The Thermal Tweeter started its 10th 11th roll of paper. It’s averaging a roll a day. The Czechs took over this morning though, and we’ll probably use 3 or more rolls today. Keep it coming. For more Thermal Tweeter facts see the this post.
PIC 24F development board for beginners
Microchip has a new PIC 24F development board for microcontroller beginners. The documentation makes this board stand out. It includes introductory guides to pulse-width modulation, analog-to-digital converters, and other peripherals: The MX PIC24 Module includes an onboard PIC24FJ256GB110 16-bit microcontroller from Microchip that features 256 KB Flash program memory and 16 KB RAM. The module […]
Bus Pirate case sticker in action
adamoutler posted picture of his Bus Pirate case sticker in action: I updated the locations in the first post. The Improved Bus Pirate Case Sticker has found its way to the SVN here. Anyone can maintain them now. Via the forum. Get your own handy Bus Pirate for $30, including world-wide shipping. Also available from […]
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 we’re giving away two […]
CPLD breakout free PCB build
erdabyz built a free CPLD breakout board. 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 coupon code for the free PCB drawer.
This site powered by 100% renewable energy
Fun fact: our new server at Hetzner is powered by 100% renewable energy. The wind must be blowing and the sun shining, because the server survived its first slashdotting yesterday. Image: Magnus Manske (CC BY-SA)
Last chance to print your tweets @dangerousproto
Get your tweets in now, the Thermal Tweeter live stream will end later this week. Send a tweet to @dangerousproto and watch it print out live on the USTREAM feed. The Thermal Tweeter is sitting in the photo studio, and we need it back to document a few new projects. Judging for the Adafruit Make […]
Bus Pirate with mix of through-hole, SMD parts
Rohit documented his Bus Pirate clone build: I recently bought an XC9572 CLPD board from Seeed and realized I’d need a JTAG programmer. The BP has got some great firmware that makes it into a JTAG programmer. And since I’ve bombed several times at the Free PCB giveaways I decided to build one myself. My […]
Hijack development pack for iPhone
Seeed Studio launched an iPhone hardware development board call the Hijack development pack: Do we have any iPhone users here? What were you thinking when Google released ADK for Android devices? You probably want to have an equal chance to play your mobile devices with open source hardware as we did. The idea of connecting […]
Logic Shrimp logic analyzer case
Ril3y posted pictures of a new case for the Logic Shrimp. He also has Bus Pirate and Logic Sniffer cases.
App note: AM/FM active antenna
An introduction to AM/FM active antennas: This article is a reference design (RD) for an automobile AM/FM active antenna. The RD presents the flexibility of the MAX2180 active antenna low-noise amplifier (LNA) and shows how to set the AM and FM gain and the automatic gain control attack point. Single and dual antenna schematics are detailed, […]
Free PCB coupon via Facebook comments
Every Friday we give away some extra PCBs via Facebook. The first few people who comment on this at Facebook get a free PCB. More PCBs via Twitter on Tuesday and the blog every Sunday. Watch this week’s Free PCB tweets print live on the Thermal Tweeter. We’ll mark the winners as they pop out. […]