If it's a character display (not a graphic one) almost all controllers are the same! SEDxxxx is a seiko product.For details have a look at: http://www.seiko-usa-ecd.com/ Peter Wes Johnston schrieb: > I have a LCD module 2x40. It has 2 rows of header pins on one end for a > total of 14 pins.It has 2 rows of header pins on one end for a total of 14 > pins. The main chip is SED1278F. The PCB appears to be made by Han Dok Co. > LTD and has the following numbers on it. > > kj-2v1 94v-1 > p32002 > and > 003-023668a > > My question is does anyone have a pin out for this critter? Is this > compatible with the standard Hitachi LCD driver that I'm already familiar > with? > > Wes - NOTE NEW EMAIL ADDRESS > kd4rdb@qsl.net > http://www.qsl.net/kd4rdb > > Where am I? > http://map.aprs.net/kd4rdb-9 > http://map.aprs.net/kd4rdb-10 > > -----Original Message----- > From: Darren King > To: PICLIST@MITVMA.MIT.EDU > Date: Wednesday, December 08, 1999 1:51 PM > Subject: Re: Microchip Appnote Dimmer Problem. > > >Hmm.. OK this is what I thought kind of. I was confused by the White > >(return) after the triac. However I guess thats pretty simple it just goes > >back to the WHITE on JP2 and the only reason for that is that the Vcc > >Circuit requires it to produce the +5V for the MCU to run. > > > >Sound right? > > > >The diode network that this appnote talks about inside the 12C508 that > >protects it from the large AC Current which gives it Vdd+0.7v that kind of > >thing. Does this exist in all PicMicros? > > > >Darren King > > > >----- Original Message ----- > >From: Fansler, David > >To: > >Sent: Wednesday, December 08, 1999 10:06 AM > >Subject: Re: Microchip Appnote Dimmer Problem. > > > > > >> Darren - I do not pretend to be an expert - but here is what I see. > >> 1. The schematic does not totally match the article > >> 2. The load would go between Hot Out and Hot In. > >> 3. You would supply a Neutral (white wire) to Return. > >> 4. You would supply Hot (balck wirefrom power company) to Hot In > >> 5. Ground (green) is a good idea. It can be tied to Neutral (which > >is > >> done in US breaker boxes). > >> 6. Vcc is generated by the circuit above the PIC (RV1, R1,2, C1-3, > >> D1-3) > >> 7. I would take JP1 to be an external input to allow control of the > >> circuit by an outside source (another PIC, automation system, etc.) > >> 8. While simple, a fair warning is given in the article that this > >> circuit has no isolation from the AC main and therefore can bite you! > >> 9. If used for lighting purposes, this circuit will produce filament > >> hum at low light levels (larger filaments hum more) A large choke in > line > >> with the load will kill the hum. > >> > >> David > >> > >> -----Original Message----- > >> From: Darren King [mailto:darren.king@SYMPATICO.CA] > >> Sent: Wednesday, December 08, 1999 2:44 PM > >> To: PICLIST@MITVMA.MIT.EDU > >> Subject: Microchip Appnote Dimmer Problem. > >> > >> > >> http://www.microchip.com/Download/Appnote/Category/rDesigns/40171a.pdf > >> > >> > >> I have looked at the above 100 times and I'm still confused. I don't > >really > >> want to build this circuit without understanding it. I really hope > >somebody > >> could help with this one. I'm not familar with the Hot in - Hot > >Out -Return > >> (White). When I see White I know what that means. So which of the hot > in > >> and hot out is supposed to be the black? Is the green wire used? Does > >the > >> load hook up between the Hot Out and the Return? What is Vcc supposed to > >> be? Is this where I hook up the load? What is RV1? As you can seem I'm > >> not an electronics wiz, but understanding this would help out greatly. > As > >> you can read, I'm really lost. > >> > >> Darren King > >> > > > > __________________________________________ > NetZero - Defenders of the Free World > Get your FREE Internet Access and Email at > http://www.netzero.net/download/index.html