self made data logger

  
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Version V2. 9 supports also GPS-receiver with ANTARIS chipset and simultaneously using of internal temperature sensor of MS5534A and external DS1820 sensor. This version can use 24C256, 24C512 or 24C1024 EEPROMs and has an internal `bootloader` implemented. V2. 9h supports DS18S20 temperature sensors, 2-wire connection for the
self made data logger - schematic

temp sensor (connect pin1 and 3 of the sensor) and better start condition for GPS using. Version V2. 9 has an internal `Bootloader` for easier software updates via the RS232-connection (without PIC-burner). (For upgrades connect pin 5 and pin1 of the EEPROM with a 220ohm-resistor and switch the logger on).



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