EEVblog #641 - Dumpster Cash Register Teardown

Описание

Teardown Tuesday. Dave tears down a cash register found in the dumpster. Does it have any useful parts to salvage? German brand Quorion QMP 3282 And a look inside a thermal print head. Datasheets: powertipusa.com/pdf/pg12864ak.pdf altera.com/literature/ds/m3000a.pdf paradigmtools.com/docs/R8820.PDF st.com/web/catalog/sense_power/FM142/CL851/SC1790/SS1555/PF63141 st.com/web/catalog/sense_power/FM142/CL851/SC1794/SS1498/PF63236 atmel.com/images/doc0313.pdf onsemi.com/pub_link/Collateral/MC34164-D.PDF Thermal print head driver chip: dropbox.com/s/bdtmfr2qdsdogkl/64-bit%20thermal%20head%20driver.pdf Forum: eevblog.com/forum/blog/eevblog-641-dumpster-cash-register-teardown/ EEVblog Main Web Site: eevblog.com EEVblog Amazon Store: astore.amazon.com/eevblogstore-20 Donations: eevblog.com/donations/ Projects: eevblog.com/projects/ Electronics Info Wiki: eevblog.com/wiki/