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Model Forum / General / Models / November 2007Chinese scales
Hi, does anyone know a schematic or a replacement pcb source of cheap 150mm Chinese digital calipers? 0-button and pc-readout-port are not working. It still measures; display, Inch/mm and On/Off are ok too. Thanks, Dirk PG1D/PA-11�12 wrote: > Hi, does anyone know a schematic or a replacement pcb source of cheap > 150mm Chinese digital calipers? The only cheap source is a complete caliper from Lidl or the like. *But* there are two different pitches of the comb hidden under the sticker of the caliper's beam. And they simply don't work with other PCBs. Nick  SignatureThe lowcost-DRO: <http://www.yadro.de> > PG1D/PA-1112 wrote: > [quoted text clipped - 7 lines] > > Nick Danke schön, Nick. Any suggestions as to the schematic of these scale pcb's? Dirk PG1D/PA-11�12 wrote: > Danke sch�n, Nick. Any suggestions as to the schematic of these scale > pcb's? Schematics!? <G> Did you ever look at one? There's only one of those black blobs of Chinese $whatever, two capacitors, one X-tal and this it was. The buttons just shorten the clock- and data-line and one or two extra pins of the IC. Seriously, there's nothing to repair. You could only clean the carbon-contact of the buttons. You might have a look at my site (see sig.) for some details of how they work. Nick SignatureThe lowcost-DRO: <http://www.yadro.de> > PG1D/PA-1112 wrote: > [quoted text clipped - 12 lines] > > Nick Right. Always have a sort of reluctance to throw things in the waste basket ;-) Dirk > > PG1D/PA-1112 wrote: > [quoted text clipped - 21 lines] > > - Show quoted text - when they cost £7.99 its not even worth bothering. you've just spent £7.99 of your time and nicks time just finding out about them. chuck the buggers in the bin and next time aldi or lidl have them ...buy 3 of them as spare. you must be a Scott's man ..lol all the best.mark > you've just spent £7.99 of your time and nicks time just finding out > about them. Learning is worth more than money. :-) Nick SignatureThe lowcost-DRO: <http://www.yadro.de> On 28 Nov, 17:24, "PG1D/PA-11Ø12" <df.ganzi...@gezusmail.com> wrote: > "Nick Mueller" <muellern...@gmx.de> schreef in > berichtnews:5r5ijpF12jdsoU1@mid.individual.net... [quoted text clipped - 27 lines] > > - Show quoted text - when they cost £7.99 its not even worth bothering. you've just spent £7.99 of your time and nicks time just finding out about them. chuck the buggers in the bin and next time aldi or lidl have them ...buy 3 of them as spare. you must be a Scott's man ..lol all the best.mark Scotsman? Worse...:Dutch ;-) Got one for 15,95 euro. PG1D/PA-11�12 wrote: > Got one for 15,95 euro. Too expensive! EUR 9.99 is OK. Tchibo, Lidl, Aldi are the usual suspects for those offers. Nick SignatureThe lowcost-DRO: <http://www.yadro.de> |
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