May 29, 2006 #1 Y yakroo Banned Joined Nov 7, 2005 Messages 40 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 0 I want make Project Heater for mcu. I want control Temperture by switch up/down. I try it not stable .how i can control?
I want make Project Heater for mcu. I want control Temperture by switch up/down. I try it not stable .how i can control?
Jun 9, 2006 #2 xdev Member level 1 Joined Jul 5, 2003 Messages 34 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Location Golden Land Activity points 269 Hi, "sod-ru-sod-hen" or "yak-roo" you can try this MAX6675, but can not order free sample from Maxim.
Hi, "sod-ru-sod-hen" or "yak-roo" you can try this MAX6675, but can not order free sample from Maxim.
Jun 13, 2006 #3 I Iouri Advanced Member level 2 Joined Aug 17, 2005 Messages 678 Helped 87 Reputation 174 Reaction score 8 Trophy points 1,298 Activity points 4,814 you can use PWM on MCU to control output driver for the heater, and ADC to monitor the temperature sensor Regards,
you can use PWM on MCU to control output driver for the heater, and ADC to monitor the temperature sensor Regards,
Jun 14, 2006 #4 F fobyellow Junior Member level 3 Joined Sep 30, 2004 Messages 26 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 191 well , to control a heating system is not an easy thing, especially you want an accurate temp. A closed-loop system is essential, and try some arithmetic like PID. it usually take a long time to get a steady system
well , to control a heating system is not an easy thing, especially you want an accurate temp. A closed-loop system is essential, and try some arithmetic like PID. it usually take a long time to get a steady system
Jun 14, 2006 #5 D dika Member level 4 Joined May 3, 2006 Messages 72 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,286 Activity points 1,897 how to interface the controller and the heater?
Jun 14, 2006 #6 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 To interface microcontroller and a load (heater, for example) you can use an optocoupler and a triac .. see picture below .. Regards, IanP
To interface microcontroller and a load (heater, for example) you can use an optocoupler and a triac .. see picture below .. Regards, IanP
Jun 21, 2006 #7 Y yakroo Banned Joined Nov 7, 2005 Messages 40 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 0 How I adap PID to Heater? I use Themister to measure Temp. What is Solution ? about Temp, Time and Power (PWM).
How I adap PID to Heater? I use Themister to measure Temp. What is Solution ? about Temp, Time and Power (PWM).