MSGID: <10fk4vk$25alv$1@dont-email.me> f1790eca   
   REPLY: <10fiuls$1svk0$1@dont-email.me> 07e6d34d   
   PID: PyGate 1.5   
   TID: PyGate/Linux 1.5   
   CHRS: ASCII 1   
   TZUTC: 0000   
   REPLYADDR tnp@invalid.invalid   
   REPLYTO 3:633/10 UUCP   
   On 18/11/2025 23:15, Daniel James wrote:   
   > On 18/11/2025 12:08, The Natural Philosopher wrote:   
   >> As part of my enhancements to the home controller, I want to send    
   >> email warnings of low heating oil level.   
   >    
   > This sounds rather like something I have been planning to do. AAMOI how    
   > are you measuring the oil level?   
   >    
      
   Oh. I designed a board with   
      
   - a Pi Pico W.   
   - a three pin temperature sensor ( TMP36) to monitor outside temperature   
   - an ultrasonic transmitter/receiver ( HCRS04) on it   
   - a nano power timer that (Was a sparkfun nano power switch  TPL5110    
   until I blew it up and replaced it with a sub-board  with an Adafruit    
   TPL5110 Low Power Timer ) wakes up every 2 hours, tries to make contact    
   with the wifi, sends a short message to the server, and then commits    
   suicide and shuts the timer down again.   
      
   Board designs all available if you want.   
      
   Also source code, suitably modified to remove my wifi password   
      
   At the far end is a Pi Zero with a very simple daemon running under    
   inetd, to listen to the call and write the data to a file in a ramdisk.   
      
   A web server then parses that data and calculates the oil level and    
   displays it. (along with room temps and central heating states which it    
   also controls)   
      
   The intention is to run code under cron as well, and send warning emails.   
      
   I may not bother to fix the DNS problem since it seems to resend the    
   mail within the hours successfully.   
      
   --    
   No Apple devices were knowingly used in the preparation of this post.   
      
      
   --- PyGate Linux v1.5   
    * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)   
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