PIC Thermostat. LCD or LED display?

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blueroomelectronics

Well-Known Member
Thermostat, Cricket my pet project.
It's been through more changes than any other project.
What sort of display (and how many digits) would you like to see in a thermostat?

2, 3 or 4 digits?

An LED display?
**broken link removed**

Or LCD display?
**broken link removed**
Or 2x16 LCD Character display?
**broken link removed**
 
From a programming point of view, and also with much increased functionality, the LCD text module is by far the best option.
 
Nigel Goodwin said:
From a programming point of view, and also with much increased functionality, the LCD text module is by far the best option.
Click to expand...

I like the lcd too but it feels like overkill for a simple thermostat. I wish Hitachi would update those LCD controllers, they're so slow...

LED displays actually will throw the temperature readings off on the PCB.

I was reading the datasheet for the 16F917 LCD controller PIC, arrgh... Not an easy read (the LCD part) but you might learn something...
 
As much as I love LEDs I have to say the LCD can display much more info' at the same time (time, current temp', set point, zones, etc.) and provide intuitive prompts that would be difficult to do using LEDs.
 
Mike said:
As much as I love LEDs I have to say the LCD can display much more info' at the same time (time, current temp', set point, zones, etc.) and provide intuitive prompts that would be difficult to do using LEDs.
Click to expand...

I agree. Also

Current temperature 73.4
Heat on/off at 74/76.0
Daily high temperature 89.0
Hours Heat for Month 139
Monthly est total $58
Heat on last 24 hour 24%
 
I would advise u to keep things simple but if learning aspects are preferred u should go for LCD.
Try!!
bye
- Jawad
 
I'd like to keep it simple and inexpensive, ideally since the design will be RS485 or XBee it's designed more as a thermometer that communicates the temperature to a zone controller. Similar to the RCS TR-16**broken link removed**
 
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