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PaxInstruments / t400-electronics

Electronics for the Pax Instruments T400 temperature datalogger
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RTC battery #178

Closed charlespax closed 8 years ago

charlespax commented 9 years ago

We need to select a battery part number for the RTC battery. We need to confirm it works with the electronics.

samchoy88 commented 8 years ago

The following brand are the reliable brand/suppliers in Asia region.

Brand: GPI Int'l Ltd http://webfiles.gpbatteries.com/my/images/prod/prod/specialty/manual/electronic/CR1220.pdf

Brand: Maxell http://biz.maxell.com/files_etc/9/cr/en/CR1220_DataSheet_e.pdf

Brand: Panasonic http://www.mouser.com/ds/2/315/crseries_datasheets_merged-462862.pdf

charlespax commented 8 years ago

Please order samples of the batteries you think we should use.

samchoy88 commented 8 years ago

Purchased some 1220 batteries and test and Currently testing below brand Brand: Sony Part number: CR1220 http://www.sony.net/Products/MicroBattery/cr/pdf/cr1220.pdf

Brand: Maxell http://biz.maxell.com/files_etc/9/cr/en/CR1220_DataSheet_e.pdf

charlespax commented 8 years ago

Please add a note to the part that it takes a CR1220 battery.

samchoy88 commented 8 years ago

Added note in schematic image