Electronic Temperature Control Components DIY Kit Sound Light Alarm Suite UK
Features:
Simple circuit are included; easy soldering; these items are very suitable for the teenagers to learn circuit and soldering.
These items are small size, high sensitivity.
It uses the sound and light to set up the alarm, and it can be used to detect the temperature.
In conclusion, it is perfectly practical.
Specification:
Working voltage: DC 3~5V.
PCB Size: 21*30mm
Color:As pictures shown
Introduction:
The circuit of this suite is very simple, it is consisted of three triodes(two S09014 and one S9015), one active buzzer, one LED and one thermistor.
Adjust the potentiometer to set the temperature threshold value, use two S9014 triode to drive the buzzer,
When the temperature is higher than the threshold value, the LED lights and the buzzer alarms and vice versa.
Package Included:1pc Electronic Temperature Control DIY Kit