Electronics version 0.10 assembly and testing

PaxInstruments / t400-electronics

Electronics for the Pax Instruments T400 temperature datalogger

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Electronics version 0.10 assembly and testing #146

Closed samchoy88 closed 9 years ago

samchoy88 commented 9 years ago

Tests

[x] Program bootloader at Arduino Lilypad USB
[x] New Soft power circuit
[x] New battery charging circuit
[x] RTC
[x] MCP9800 temperature sensor
[x] LCD
[x] SD card
[x] SPI flash
[x] Buttons
[x] ADC

samchoy88 commented 9 years ago

LCD test using U8glib LCD library required to add following code: at beginning - U8GLIB_PI13264 u8g(15, 16, 8, 4, 12); In setup - u8g.setContrast(180);

samchoy88 commented 9 years ago

Discovered SW_A always short to GND in a board. Finally found out there is a short circuit under MCU (QFN package and hand soldering).

samchoy88 commented 9 years ago

Experienced charging detected issue, please see: Charging status unstable while No battery installed #147

charlespax commented 9 years ago

Old. Closing issue.