ICStation Electronic DIY Kit, Temperature Control Sound Light Alarm, Soldering Practice Kits for beginners
Designed by ICStation in China
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With Simple circuit, easy soldering, this suite is very suitable for teenagers to learn circuits and soldering. The key features of this suite are small size and high sensitivity. It uses sound and l…
Read More…With Simple circuit, easy soldering, this suite is very suitable for teenagers to learn circuits and soldering. The key features of this suite are small size and high sensitivity. It uses sound and light to finish the alarm, and it can be used to detect temperature. In conclusion, it has high practicability.
The circuit of this suite is very simple, it consists 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; when the temperature is lower than the threshold value, the LED does not light, the buzzer does not alarm.
Working voltage: DC 3~5V.
PCB size: ：21x30mm
| NO. | Component | Label | Capsulation | Value | Quantity |
|---|---|---|---|---|---|
| 1 | Triode（9015） | Q1 | TO-92 | 1 | |
| 2 | Triode（9014） | Q2，Q3 | TO-92 | 2 | |
| 3 | Potentiometer（W3605） | RP | W3605 | 1K | 1 |
| 4 | Active Buzzer | LS | 1 | ||
| 5 | Thermistor（1K） | Rt | 1K | 1 | |
| 6 | 5mm LED（Red） | D1 | 1 | ||
| 7 | Resistor | R1 | AXIL-0.3 | 15K | 2 |
| 8 | Resistor | R2 | AXIL-0.4 | 39K | 2 |
| 9 | Resistor | R3 | AXIL-0.5 | 6.8K | 2 |
| 10 | 2P Pin Header | 1 |
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