XPost: sci.electronics.design   
   From: nospam@gte.net   
      
   "Arlet Ottens"  wrote in message   
   news:4758f0fc$0$10296$e4fe514c@dreader30.news.xs4all.nl...   
   > West wrote:   
   > > Using a 555 or similar type chip, I would like to have the output change   
   > > from low to high or high to low every time the system is turned on. IOW,   
   the   
   > > output is a high, then the system is turned off. When the system is   
   turned   
   > > back on, the output goes low. Each power up of the circuit changes or   
   > > "flips" the output state. I am willing to incorporate CMOS and a battery   
   > > back up in the design. Some of the ideas I entertained is a divide by 2   
   in   
   > > front of the toggle, giving me the same state every other time. However,   
   I'm   
   > > not sure how to do this practically or if it's the way to go. Any   
   > > suggestions out there? All comments welcomed and thanks.   
   >   
   > Use a PIC, and save the state in EEPROM if you don't need more than   
   > 1,000,000 power cycles.   
      
   Hi Arlet, I always wanted to learn about PIC. Perhaps you can recommend a   
   good beginner's book. I do have some basic electronics experience.   
      
   west   
      
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