Waterbath base on microcontroller 89S51
Waterbath is a laboratory equipment used to stabilize
the temperature of the sample through a temperature controlled water
medium, where the temperature, which is between 30 0C to 40 0C by setting
the timer 1 minute to 15 minutes.
Figure 1. Temperature sensor LM35 amplifier
Figure 2. Analog to digital converter AD0804
Figure 3. Driver SSR and setup, setdown and enter