To control the sublimation of oxalic dihydrate.
Hardware:
- ARDUINO NANO
- LM2596 Dc12V->Dc5V power supply
- 22 Ohm resistance
- PT100
- 2 relays module for fan and heater output
- H4 car lamp for heating with 12V ~115W
- button (NO)
- buzzer
Setps:
-
press button to start
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if temperature is higher than 100°C, cancel
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switch on fan
-
wait for heat switch on delay
-
heating up to ~170°C for ~3 minutes
-
switch off the heater
-
keep fan going for an other minute
-
switch fan off and wait some time untill everything cooled down
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give 10 secound a sound
-
stop at any time possible by button press