ESP8266 - ST7032i I2C LCD Display Driver

• ESP8266 - ST7032i I2C LCD Display Driver
  Posted by TJ232 on 23 Mar, 2015 11:27
•    If you need for your ESP Projects a LCD Display , might worth to take in consideration also a ST7032i one.
  Good price and easy to use,  I2C compatible interface, so less data pins used.
  
  For more details: http://www.esp8266-projects.com/2015/03/display-time-st7032i-i2c-lcd-display.html
  
  Test Video :
  
  
  
  

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• #1 Reply
  Posted by Laurynas on 23 Mar, 2015 13:25
• Nice,
  
  How much current does is need on idle?
  can it go to sleep and how much does it consume in sleep mode?
  
  I'm running esp8266 from 3x1.2V batteries (it can handle >4V nicely) and adding a battery friendly display sounds like a nice option to have.
• #2 Reply
  Posted by TJ232 on 23 Mar, 2015 13:53
• Quote from: Laurynas on 23 Mar, 2015 13:25

  Nice,
  
  How much current does is need on idle?
  can it go to sleep and how much does it consume in sleep mode?
  
  I'm running esp8266 from 3x1.2V batteries (it can handle >4V nicely) and adding a battery friendly display sounds like a nice option to have.
  

  
  The used one is a good quality COG display, operating at around 0.18mA.
  You can keep it shutdown until needed so consumption is virtually zero.
  Backlight can kill your "run-for-months" dreams, at around 20-25 mA. Been a high res/sunlight friendly display you don't need backlight, so can stay off. If you want to use it in pitch black environments it's another story.
  
  I will suggest you to use a 3V LDO regulator between you batteries and ESP module. Going over 3.4V can kill the beast inside.
  Also you can easy replace you batteries with a Li-Ion rechargeable one: http://www.esp8266-projects.com/2015/03/mailbag-arrival-new-battery-solution.html
• #3 Reply
  Posted by neslekkim on 24 Mar, 2015 09:47
• In your blogposts, could you add links to where you source the various items?, i'm wondering about that display, and the charger-pcb.
• #4 Reply
  Posted by dannyf on 24 Mar, 2015 10:29
• You have become the resident expert on anything esp8266, .
  
  Keep up the good work.
  
• #5 Reply
  Posted by TJ232 on 24 Mar, 2015 11:12
• Quote from: neslekkim on 24 Mar, 2015 09:47

  In your blogposts, could you add links to where you source the various items?, i'm wondering about that display, and the charger-pcb.
  

  
  If is OK for everybody I can do it, don't know exactly the rules here. It's ok for you all? Dave?
  
  I was told that my account will be deleted from arduino forum by one of the local gods for only posting my articles about esp8266 
  
• #6 Reply
  Posted by TJ232 on 24 Mar, 2015 11:18
• Quote from: dannyf on 24 Mar, 2015 10:29

  You have become the resident expert on anything esp8266, .
  
  Keep up the good work.
  

  
  Thank you dannyf for your appreciation. It's nice to see your work rewarded.
  
  I'm doing my best to bring you more nice and good related stuff soon. Also CBDB DevBoard Rev.2 it's on it's way to the world