uF micro Farad

Rv resistor variabil (potentiometru)

R2c trimer(semireglabil)

T1 tranzistor

C1 condesator polarizat

Schema 1

1. C1 - 0.1uF

2. C2 - 1uF

3. C3 10uF

4. R1 7 k5

5. R2 10k

6. R3 4 k7

7. R4 1k

8. Rv 10k

9. T1 BD137

10. 741 amplificator operational

11. T2 - 78L05

12. D1 1N4148 (senzorul de temperature)

13. D2 1N4148 (senzorul de temperature)

14. LED

uF micro Farad

Rv resistor variabil (potentiometru)

R2c trimer(semireglabil)

T1 tranzistor

C1 condesator polarizat

1. C1 0.1uf

2. C2 1uF

3. C3 10uF

4. R1 7k5

5. R2 1K

6. R3 1K

7. R4 1K

8. Rv 10K

9. R2c 10k

10. T1 BDx33

11. 741 amplificator operational

12. T2 - 78L05

13. LED