View allAll Photos Tagged PCB
My PCB order from Golden Pheonix arrived, a day less than two weeks after ordering them. Not bad turnaround!
The PCBs themselves are really nice and I have loads (ordered a panel though I'll only need one or two of each), though I'm yet to actually solder them up. I plan to use some solder paste I just got and reflow them under the grill, which I hope will work.
The only problem I've identified is that one of the PCBs is physically broken (a small bit snapped off when being cut presumably) which breaks two traces, but they'll be easy to fix with a small wire if needed.
They are for my current project - see if you can guess what it is!
from The Great Internet Migratory Box of Electronics Junk. Can anyone help me identify what this PCB is meant for?
This PCB contains the digital circuitry (and some of the analogue stuff) in the unit. The 40 pin IC in the middle of the board is an 8035 microcotroller, the firmware is in the EPROM at the bottom right corner.
Above the 8035 is the SAA5020 timing chain IC, to the left of the 8035 are 3 smaller ICs which are the video RAM and the data bus buffer.. Above those is an SAA5050 character generator while in the bottom left corner are a number of TTL parts mostly to handle the video RAM addressing. This is a pretty standard application circuit for these ICs.
To the left of the video RAM is the TEA1002 PAL encoder with its associated analogue components, above that the metal box is (of course) an RF modulator. It's not a standard one, though.
To the right, the other 40 pin IC is an SAA5070 Modem chip with the associated LM339 to the right. Also there is an ER1400 EAROM to store the telephone numners.
The rear right corner contains the SAB3012 interface for the keypad and the cassette interface circuits.
Codebugs arrived today www.codebug.org.uk looking forward to releasing them into the "wild" at www.codeclub.org.uk
We're busy with a project at work that requires the pcb to have a nice fit in a enclosure with some other components (such as a transformer). We decided to cut it on the rockcliff cnc machine. Worked very nice after some tweaking.
Disassembled a Liveview (MN800), here is the second side of the main PCB.
The virbation motor here is immediately opposite to the PCB antenna on the other side. this seems like a poor idea though they didn't really have anywhere else to put it.
There are a lot of useful marked(!) testpoints, so it shouldn't be too hard to figure out. When I have some time I'll see what I can figure out about it.
Seminário dos Impactos do Gerenciamento dos PCBs. Shelley de Souza Carneiro, gerente executivo de meio ambiente e sustentabilidade da CNI.
Brasília (DF) 28.11.2014 - Foto: Miguel Ângelo
I ordered the baseplate from Shapeways ($18, although there's a $25 minimum order). It works! The snaps hold the PCB in place without breaking.
January 22nd: On Senior Night, PCB faced the Cobra's and came away with a dominating win. Photo taken by Angelique Berkowitz.
I soldered the LEDs and both prototypes work like expected. I have not tested the IR PWM yet though...(have to write more firmware for that) Just waiting for the new case...it's printing right now ;)
Unkown PCB found in a box of electronic junk, call it surplus, that I found in my basement.
You can clearly see the LM813N Op Amp. The Diode looking thing is lable DI01, so it probably is one. You can see many caps of 3 different shape and color, and two weird prongs with hallow centers coming out of the top of the PCB (labeled TPI01 TPI02).
I have no idea where it comes from and I'm seriously wondering if it's a sensor or a LED. What kind? It looks a lot like a bigger version of laser leds from cd/dvd-rw.
Any idea what it is?
Doska elektroniky PCB pre pevný disk. Cena za 1ks.
Vhodné na opravy,diagnostoku, záchranu dát z poškodených diskov a pre foreznýchšpecialistov.
* WDC 1995, WDC96 62–602110–062, WD10C38-YU
* WDC 1996,621011A 3080T12CXP6 7442, WD61C30A-YK
* MAXTOR 301193100 VEGA III, A6DAA0605913CTH ER
* SG22580–101 REV.A, SAB-M3005–8D, 23400278–002
* WDC1995, WDC95 62–602200–002, WD10C38-YV
* WDC 1996, WDC97 62–602208–064,WD61C30A-YK
* ATHENA II/POKER, D1FBB, 2006205 CMY, Poker C6 040108200
*SG20109–100 REV.A, SAB-M3005–8D, 23400278–002
* 66G9718 D43406-A,442898C, 84G6094
* WDC 1995, WDC95 62–602110–002, WDC10C38-YV
* WDC 1996,WDC97 62–602210–076, 2.1GB
* QUANTUM 540S TB54S341 REV 04-B S590K, Quantum14–102092–05
* QUANTUM 800–08–97, EMMM1 94V-0, GMSC 6.406 01992
*MAXTOR 301306100 MIL.TNT V-3, B7DEA, 30017739
* WDC 1996, WDC9662–602220–072, V7142, 2.1GB
* MT1199E 0223-BRS, B041–00139A REV.00
Hitachi PCB 0A30213 (PCB Swap, PCB Replacement, PCB Logic Board Sale, Buy PCB Circuit Board - HDDZone.com)
My custom Arduino Mega shield for the quadcopter I'm building. Assembled in Eagle using mostly Sparkfun parts. Now to shell out a chunk of change and wait a month for printing to find out how badly I messed it up.
As the electronics hobbyist one of knowledge that we have to be familiar with is how to make our own printed circuit board (PCB). Making our own simple single side PCB actually is not require a sophisticated technique and technology as you might think, instead most of the required materials is already available at your home. For more information please visit www.ermicro.com/blog/?p=1526