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dorkbotSF Swap Meet February 15, 2011

Posted by k0re in Events, Meeting Archive.
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Part of the upcoming dorkbotSF #56 at WHQ – Feb 23 2011. Doors open at 7:30pm – swap meet commences after the last presenter!

From Anders Nelson:
PIC/AVR/Luminary MCUs, development kits, I2C/SPI/parallel LED drivers (self-refreshed, externally clocked, and static) I2C devices, SPI devices, HD44780 LCD displays, high-output LEDs, LDOs, solid core wire, etc.

From Joe Grand:
Through-hole in tubes
———————
Microchip PIC16C57C DIP-28N (500+ pieces)
Alphanumeric LED, 0.5″, high efficiency red, DIP18, Lite-On LTP-587HR (Digi-Key #160-1108-ND) (10 pieces)
Dual 7-segment LED, 0.56″, orange, DIP18, Fairchild MAN6610 (20 pieces)
General Instruments MBR1060 Schottky Diode Rectifier, 10A, 60V, Vf 0.8V, TO-220-2 (659 pieces)
Vishay MBR3060PT-E3 Schottky Diode Rectifier 30A, 60V, Vf 0.76V, TO-247D (18 pieces)
Samsung KM6264AL-10 8K x 8 CMOS SRAM, 10nS, DIP-28 (166 pieces)
UM61256FK-15 SRAM/Cache (DIP28) (88 pieces)
Toshiba TC5517 2K x 8 SRAM (http://legacy.afonsomiguel.com/Datasheet/2016.html) some APL, some BPL-25 (72 pieces)
MicroPower Direct D223RW 2W, 24V input/12V out DC-DC converter (similar to NDL2412SC) (45 pieces)
Murata NDL2412SC 2W, 24V input/12V out DC-DC converter (Digi-Key #811-1364-5-ND) (354 pieces)
Murata/C&D Technologies NDH2412SC 3W, 24V input, +/-12V out DC-DC converter (457 pieces)
Harris CD4098BE CMOS Dual Monostable Multivibrator (DIP16) (100 pieces)
TI SN74HC165 8-bit Parallel Load Shift Register (DIP16) (46 pieces)
TI SN74LS196 4-stage Presettable Ripple Counter (DIP14) (12 pieces)
LM723CN High-Precision Adjustable Voltage Regulator, 40V max. input, 2-37V output (DIP14) (20 pieces)
74LS00 Quad 2-input NAND gate (DIP14) (24 pieces)
National CD4017BCN Decade Counter/Divider w/ 10 decoded outputs (DIP16) (18 pieces)
Sockets, DIP14 (many)
Sockets, DIP16 (many)
Sockets, DIP24, flush to board (pins go into board, carrier gets removed) (156 pieces)
ALCO DRD10C Decade Rotary Switch (38 pieces)

SMD (Surface Mount) in tubes (quantities vary, but there are lots)
——————————————————————
Motorola MC68HC11F1FN (2 pieces)
Catalyst Semiconductor (now ON Semi) 24WC128 128Kbit Serial EEPROM (SOIC8) (2490 pieces)
NE555D Timer (SOIC8)
LM324D Single-supply quad op-amp (SOIC14)
LF398 Monolithic Sample and Hold Circuit (SOIC14)
NE5332 High-performance op-amp (SOIC8W)
OPA2604AU Op-amp 20MHz dual-FET (SOIC8)
MMPQ2907A Quad PNP transistor, 60V, 600mA (SOIC16)
74LVC4245AD Octal dual supply translating transceiver (SOIC24)
74HC00 Quad 2-input NAND gate (SOIC14)
74HC373D Octal tri-state latch (SOIC20)
74HC238D Decoder/Demux 3-8 (SOIC16)

SMD on reels
————

TI ULN2803A Darlington Driver (SOIC18W) (~1892 pieces)
Microchip 24LC16B 16K Serial EEPROM (SOIC8) (3300 pieces)
Panasonic EEF-CD0J470R 47uF, 6.3V speciality polymer aluminum electrolytic (Digikey #PCE3160TR-ND) (3500 pieces)
Panasonic EEF-CD0J470R 47uF, 6.3V speciality polymer aluminum electrolytic (Digikey #PCE3160TR-ND) (~1881 pieces, partial reel)
TI MAX3221CDBR 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver (SSOP16) (Digikey #296-9593-2-ND) (2000 pieces)
TI MAX3221CDBR 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver (SSOP16) (Digikey #296-9593-2-ND) (~625 pieces, partial reel)
Sumida CR43-8R2MC Power Inductor, 8.2uH, 0.84A (Digikey #308-1126-1-ND) (~1102 pieces)
Sumida CDRH4D28-181NC Power Inductor, 180uH, 0.22A (~222 pieces)
Fairchild 74ACT373MTCX Octal Transparent Latch w/ Tri-State (SSOP20) (~1248 pieces)
Microchip 93LC56T/SN 2Kb Microwire Serial EEPROM (SOIC8) (~1340 pieces)
National LM3480IM3X-3.3 Quasi Low-Dropout Linear Voltage Regulator, 3.3V, 100mA, SOT-23 (~1019 pieces)
National LM3480IM3-3.3 Quasi Low-Dropout Linear Voltage Regulator, 3.3V, 100mA, SOT-23 (~300 pieces)
Micro Commercial MBR0530 Schottky Rectifier 0.5A (~2451 pieces)

Fairchild MMBT3904 General Purpose Transistor, NPN, SOT23-3 (~2772 pieces)
Fairchild MMBT3904 General Purpose Transistor, NPN, SOT23-3 (~866 pieces)
Fairchild MMBT3906 General Purpose Transistor, PNP, SOT23-3 (~2129 pieces)
Zetex FMMT489TA NPN transistor, 30V, 1A, SOT23-3 (3000 pieces)
Zetex FMMT489TA NPN transistor, 30V, 1A, SOT23-3 (3000 pieces)
Zetex FMMT489TA NPN transistor, 30V, 1A, SOT23-3 (~1304 pieces, partial reel)

Murata CSTCW25M0X51-R0 25MHz resonator w/ built-in capacitors, 2.5mm x 2mm (~2029 pieces)
Murata CSTCV20.00MXJ040-TC20 20MHz ceramic resonator (~1997 pieces)
Adiva Technology 32MHz miniature resonator (ADSR-32.000MHZ) (2000 pieces)
Adiva Technology 32MHz miniature resonator (ADSR-32.000MHZ) (2000 pieces)
Transko Electronics 20.000MHz ceramic resonator (CR3731M-20.000MHZ) (1000 pieces)
Transko Electronics 20.000MHz ceramic resonator (CR3731M-20.000MHZ) (~993 pieces, partial reel)
Transko Electronics 20.000MHz ceramic resonator (CR3731M-20.000MHZ) (~510 pieces, partial reel)
Transko Electronics 20.000MHz ceramic resonator (CR3731M-20.000MHZ) (~74 pieces, partial reel)

Capacitor, 0.1uF, 50V, 0603, Transko TC06032R104K500BA (~3996 pieces)
Capacitor, Kemet C0603C104K4RAC7867, 0.1uF, 16V, X7R, 0603 (~3394 pieces)
Capacitor, Panasonic ECJ2VB1C104K, 0.1uF, 16V ceramic X7R, 10%, 0805 (Digikey #PCC1812TR-ND) (~3973 pieces)
Capacitor, Panasonic ECJ1VF0J225Z, 2.2uF, 6.3V, ceramic Y5V, 0603 (Digikey #PCC2181TR-ND) (~3840 pieces)
Capacitor, Panasonic ECJ1VF0J225Z, 2.2uF, 6.3V, ceramic Y5V, 0603 (Digikey #PCC2181TR-ND) (~2266 pieces)
Capacitor, Kemet C0603C470J5GAC7867, 47pF, 50V (~2376 pieces)
Capacitor, 15pF, 50V, 0603 (Digikey #PCC150ACVTR-ND) (~1008 pieces)
Capacitor, 4.7uF, 20V Tantalum (Digikey #PCS4475TR-ND) (~1500 pieces)

Resistor, 10 ohm, 0603 (Digikey #P10GTR-ND) (~3106 pieces)
Resistor, 100K, 0805, Vishay/Dale (~5000 pieces)
Resistor, 931K, 0603 (Digikey #311-931KHRTR-ND) (5000 pieces)
Resistor, 220K, 0603 (Digikey #311-220KGRTR-ND) (~4504 pieces)
Resistor, 604 ohm, 1%, 0603 (Digikey #P604HTR-ND) (~4077 pieces)
Resistor, 47 ohm, 0805, Yageo (5000 pieces)
Resistor, 47 ohm, 0603 (Digikey #P47GTR-ND) (~1650 pieces)
Resistor, 47 ohm, 0603 (Digikey #P47GTR-ND) (~125 pieces)
Resistor, 3.9K, 0805 (~392 pieces)
Resistor, 27 ohm, 0603 (Digikey #P27GTR-ND) (~1737 pieces)
Resistor, 330 ohm, 0402 (Digikey #P330JTR-ND) (~8148 pieces)
Resistor, 330 ohm, 0603 (~4699 pieces)
Resistor, 330 ohm, 0603 (~3019 pieces)
Resistor, 330 ohm, 0603 (~2721 pieces)
Resistor, 15.4K, 0603 (~4843 pieces)
Resistor, 2.2K, 0402 (~8040 pieces)
Resistor, 66.5K, 1%, 0603 (Digikey #311-66.5KHRTR-ND) (5000 pieces)
Resistor, 1.1K, 0603 (Digikey #P1.1KGTR-ND) (~3680 pieces)
Resistor, 1M ohm, 0402 (Digikey #P1.0MJTR-ND) (~500 pieces)
Resistor, 13K, 0603 (Digikey #311-13KGTR-ND) (~4485 pieces)
Resistor, 470K, 0603, Vishay (~4860 pieces)
Resistor, 470K, 0805 (Digikey #P470KATR-ND) (~4888 pieces)
Resistor, 240 ohm, 0603 (~3792 pieces)
Resistor, 42.2K, 0603, Yageo (5000 pieces)
Resistor, 1K, 0805, KOA (5000 pieces)
Resistor, 100K, 1%, 0805 (Digikey #P100KCTR-ND) (~5000 pieces)
Resistor, 4.7K, 0.5%, 0805 (Digikey #RR12P4.7KDTR-ND) (~4780 pieces)
Resistor Array, 240 ohm, 8 terminal/4 resistors (Digikey #MNR04241TR-ND) (~6544 pieces)

Inductor, 10nH, 400mA, 2%, SMD (Digikey #PCD1294TR-ND) (~2443 pieces)
Inductor, 10nH, 400mA, 2%, SMD (Digikey #PCD1294TR-ND) (~1127 pieces)

Other components
—————-

Green LED, T1 3/4 through hole, LDG5171 (~400 pieces)
Bourns/JW Miller 5800-103-RC 10mH high current choke (4 packs of 100 pieces each)
MAX1747 Triple Charge-Pump TFT LCD DC-DC Converter (a few pieces)
MAX1561 High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs (a few pieces)
National LMH730216 Single High Speed Op Amp Evaluation Board
Light-to-frequency converters (or some other photodiode-related thing) (DIP8, manufacturer unknown) (5 pieces)
Acam TDC-GP2 Time-to-Digital converter mounted on QFN32-to-DIP32 prototype board

Misc. stuff/tools
—————–

Anti-static bags – various sizes & shapes
Magazine back issues: Nuts & Volts, Circuit Cellar, Elektor
GET LAMP: The Text Adventure Documentary (http://getlamp.com) w/ challenge coin #1693
“There Are No Electrons: Electronics for Earthlings” book, Kenn Amdahl
Assorted lengths of 1/4″ smooth aluminum rod
Diolan USB I2C/SPI Adapter (U2C-12)
Freescale MC33993D 22-channel I/O expansion w/ breakout board
Freescale MPXM2010GS pressure sensor w/ breakout board
BSODomizers (www.bsodomizer.com), portion of $ goes to Electronic Frontier Foundation

– EOF –

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7 Year Twitch (7 Years of dorkbotSF!) May 27, 2009

Posted by k0re in Events, Meeting Archive.
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Yes, dorkbotSF has been around for 7 years in June! To commemorate, we’re having two events in June.

The first one will be on June 3 at Greg Leyh’s Nevada Lightning Lab where he’ll discuss possible research at NLL and do a live testing of various loads on his 1/12th scale of the 2 12-story tesla coils he’s planning to build. Food Hacker Marc Powell is going to show off his latest Food Genome project and bringing some dope food for us all! And the ever prolific Jonathan Foote will be showing us a light printer he calls the Ghost Matrix scavenged from different parts including scrap from SRL! Kevin Ottalini will also show his Marx Generator and the NLL in Half-Life!

More details on the dorkbotSF 7 Year Anniversary MEETING here (Jun 3).

Then about a week and a half later, Jon Sarriugarte is hosting a dorkbot party meeting to end all party meetings at his Boiler Bar in Oakland! Many surprise speakers and strange electrical gizmos to demo so you really have to go as not all of them will be announced! But on the lineup he’s got Omega Recoil’s twin Tesla Coils that will be running live, the Golden Mean, Marriage Wrecker and Muffin Art Cars! Greg Solberg and Keith Johnson teaching how to build an electric car from scratch (Tesla roadster, muffin cars, marriage wrecker), Jon is giving the audience a choice of several topics he could present so YOU choose: Giant Iron Snail Car, Golden Mean, 1928 Hogan Tesla Coil, Power Tool Drag Racing, Volt-Aged Whiskey and Mike Winter will show his artificial personality projects and interrogation by robots!

There’ll be food and beer, fire gardens, and live electrocutions with the 1928 Hogan Device!

More information on the dorkbotSF 7 Year Anniversary PARTY here! (Jun 20)

So hopefully you all can come out to one or preferably both events and celebrate 7 years of people doing strange things with electricity in the Bay Area!

http://dorkbot.org/dorkbotsf/

Giant Spider in Yokohama May 19, 2009

Posted by k0re in Events.
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Built by French group La Machine, it can be seen in Yokohama as part of Expo Y150 commemorating the 150th anniversary of Yokohama port. I like how it farts out some kind of mist out of its spider butt and that 3 benign looking people operate it.Also seen in the background is Bastiaan Maris Large Hot Pipe Organ a MIDI-controlled propane-powered fire organ.

Vodpod videos no longer available.

Someone really should build a giant Godzilla to stomp around Japan though.

Via Shaun Fogarty!

Etech proceedings online March 20, 2009

Posted by sashahc in Events.
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For those who couldn’t/wouldn’t/shouldn’t go to Etech09, the proceedings have started to go online. Check ’em out:
http://en.oreilly.com/et2009/public/schedule/proceedings

People doing strange things with…Bacon? March 20, 2009

Posted by sashahc in Events.
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BaconCamp Icon

When geeks cook, BaconCamp happens:

BaconCamp is a free, ad-hoc “unconference” happening in March, inspired by BarCamp and dedicated to all things bacon. “This event is FREE FREE FREE. However, in the spirit of BarCamp, we want to give back to the community. We will be taking $5-$10 sliding scale donations at the door. All proceeds go to the American Heart Association.”

# Date: March 21, 2009
# Time: 1pm – 5pm
# Location: 500 3rd Street, Suite 510, San Francisco, CA

Of course, bacon has a wiki. Now we *know* it’s the future.

Trumpet Hero Tonight March 19, 2009

Posted by k0re in Events.
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Come see EAMB korntee’s Guitar Hero for trumpet controller mod at tonight’s Kicker Launch Party and Tangible Tech Exhibition at 427 Bryant.

It’s on the dork calendar

ETech09 Roundup 2: dorkspotting! plus Shelley Batts, Zoe Keating March 19, 2009

Posted by Maribeth in Events, Trip Report.
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Sasha and I were both at Etech in San Jose last week, and we thought we’d comment on some of the doings there.

Lots of dorkbotters participating in ETech: though I’m sure I missed some, I spotted Michael Shiloh and Judy Castro in the Maker Shed; the Evil Mad Scientists demoing at ETechFest; David Calkins, Ben Cerveny, Mike Kuniavsky and Liz Goodman each giving a talk; Sasha herself running a “FreeTech” session (dorkbotters, always ahead of the game, have already seen this talk on her exhibits at California Academy of Sciences), and (ahem) Timothy Childs and I talking about getting chocolate on your research: TCHO + FXPAL.

Here’s a couple of my personal high points:

Shelley Batt’s session on new therapies (stem cell, gene therapy) for hearing loss: regrow those hair cells! As a hearing-impaired person, I have an abiding interest in (relatively) non-invasive technologies that promise hearing regeneration not involving surgical installation (step away from my skull with the bone drill, please). I’ve been following her work online for a while and was delighted to see her talk listed. Her work is “related to cures for deafness including gene therapy and small molecule intervention for cochlear hair cell regeneration.”

Here’s the deal with this: many people who lose their hearing do so because the tiny hair cells on the basilar membrane become damaged and die. Loud sound, high fever, some antibiotics, a physical impact, autoimmune attacks — lots of things will kill off these delicate li’l hair cells. And once dead, they don’t come back.

Turns out, though, that birds with damaged hearing actually regrow hair/sensor cells in their ears. Mammals, including us, have lost this ability. The research seems promising: there are once-deaf guinea pigs that have not only successfully regrown their hair cells, but actually hear with them (w00t!).

Bottom line: yes, it will likely work. No, there’s no timeline; probably at least a decade or more, unless it’s really well funded. And yes, Bush’s ban on stem cell research did in fact stymie this research for way too long (grrrr).

Also hearing-related: it is my great good fortune that I can still hear cello very well. Cellist/composer Zoe Keating’s concert was, as usual, remarkable. She live/loops her acoustic cello into a lovely, living sonic architecture. I remember first hearing her perform at jhno’s Natoma St. loft (really miss that space!). If you haven’t caught her in concert, at least you can hear her work online (and see upcoming concert dates) here.

iPhone 3.0 as ubicomp and virtual worlds platform March 18, 2009

Posted by Trevor F. Smith in Events, Uncategorized.
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While the tech media goes bonkers about cut-n-paste coming to iPhones I think that most of their audience would be pissed if they realized that this is the least interesting part of the story.

Seriously, this thing has accelerated 3D graphics hardware, onboard acceleration and location sensors, and in 3.0 it will provide an in-app microstransaction function that makes the iPhone the first US phone that’s able to make good on the old promise of virtual goods based mobile virtual worlds.

Is cut-n-paste more important that the fact that bluetooth devices will be addressable by third party apps? Being able to link to nearby devices opens up the possibility for display wearables, ambient input devices and HUD hacks. Just think of all the arduino art out there which could be that much better by slapping on a bluetooth shield and hooking into the cloud of iPhones passing by.

Fuck cut-n-paste. Bring on the lickable gear cloud wearing, multiworld occupying, environment meshing masses.