XPost: sci.electronics.design   
   From: burrynulnulfour@ppllaanneett.nnll   
      
   On 08.11.20 22:08, Don wrote:   
   > This project shows how to build a 1.5 VDC pseudocell to take the place   
   > of an AA sized battery. The mechanical aspect of this project offers the   
   > greatest challenge. The electronic portion utilizes an easy to use LM317   
   > adjustable voltage regulator to convert a 5 VDC source to 1.5 VDC.   
   >   
   > (excerpt)   
   >   
   > https://crcomp.net/pseudocell/index.php   
   >   
   > (Thank you In Advance to readers who alert me to typos and whatnot.)   
   >   
   > Danke,   
   >   
   I think your clock would have been quite satisfied with   
   1.25 volts, that is about a halve empty battery.   
   A 20 uf elco at the output would be nice tnough.   
      
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