**[[data_logger|Data Logger]]** PCB
====== Kit Instruction for model A ======
===== Top Side Description =====
  * **PH8** Stackable Female Shield Headers 8 pin
  * **PH6** Stackable Female Shield Headers 6 pin
  * **PH3** Stackable Female Shield Headers 3 pin (reverse installation, with additional spacer)
  * **PH2** Stackable Female Shield Headers 2 pin
  * **P2** Male Pin Header with cap
  * **P3** Male Pin Header with cap
  * **P2x5** Male Pin Header 2x5
  * **LED xxxx** LED 0805 (green dot on LED shop position on >| )
  * **R1K** Resistor 0805 1K (102)
  * **BAT 3V** Battery socket for CR2032 Battery

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===== Bottom Side Description =====
  * **PH3** Stackable Female Shield Headers 3 pin (reverse installation, with additional spacer)
  * **LED xxxx** LED 0805 (green dot on LED shop position on >| )
  * **R470E** Resistor 0805 470R (471)
  * **R1K** Resistor 0805 1K (102)
  * **R2K2** Resistor 0805 1K (222)
  * **R10K** Resistor 0805 10K (103)
  * **C100N** Capacitor 0805 0,1uF (100nF)
  * **CRY** - crystal 32.765kHz 405 (may be solder in any direction)
  * **DS1307** DS1307 chip (white circle label 1 leg - engraved dot in chip)
  * **AT24Cxx** AT24Cxxx chip (white circle label 1 leg - white dot on chip)


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