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notes [2008/11/16 16:05] – photonicsguynotes [2014/11/13 10:50] (current) – external edit 127.0.0.1
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 ====== Notes ====== ====== Notes ======
 +====== APC Environmental card ======
 +AP9512TH
  
 +|IC1|LM35|Temperature Sensor|
 +|IC2|LM358N|Dual Opamp|
 +|IC3|LM78L|Vreg, 5V|
 +|BP1|{{:notes:tdk_chs-ugr_datasheet.pdf|TDK CHS-UGR}}|Humidity Sensor|
  
-===== Timestamps =====+ 
 +AP9612 
 +|IC1|[[http://www.national.com/mpf/DC/ADC0834.html#Overview|ADC0834]]|8-Bit Serial I/O A/D Converter with Multiplexer Option| 
 +|IC2|MM74HC14N|Hex inverting Schmitt trigger| 
 +|IC5|P87C521| Controller| 
 + 
 + 
 +====== PCF8574 - 8-Bit I/O Expander for I2C-Bus ====== 
 +[[http://www.ti.com/product/pcf8574?DCMP=A_SLL_SLL_SLL_Content&CMP=KNC-GoogleTI&247SEM#samples]] 
 + 
 +====== Retroreflective yarn ====== 
 +  * [[http://scienceinspireddesign.wordpress.com/2010/10/25/3m-scotchlite-retro-reflective-yarn/]] 
 +  * [[http://www.texturatrading.com/yarn.html#Retro]] 
 + 
 +====== Timestamps ======
 Convert Excel timestamp to unix time: ''=(EXCEL-25569)*86400'' Convert Excel timestamp to unix time: ''=(EXCEL-25569)*86400''
  
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  closedir($dh);  closedir($dh);
  }  }
-}+} ?></code>
  
  
-?></code> 
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