Sirčne d'ambulance
Circuits Divers / Various Circuits

| Bill Of Materials For Ambulance Siren Circuit | ||||||
| 9 Resistors | ||||||
| Quantity: | References | Value | ||||
| 1 | R1 | 25k | ||||
| 2 | R2, R6 | 82k | ||||
| 1 | R3 | 220 | ||||
| 2 | R4, R7 | 2k2 | ||||
| 1 | R5 | 4k7 | ||||
| 2 | R8, R9 | 1k | ||||
| 6 Capacitors | ||||||
| Quantity: | References | Value | ||||
| 1 | C1 | 2200uF | ||||
| 2 | C2, C4 | 0.01uF | ||||
| 1 | C3 | 3u3 | ||||
| 2 | C5, C6 | 220uF | ||||
| 2 Integrated Circuits | ||||||
| Quantity: | References | Value | ||||
| 2 | U1, U2 | 555 | ||||
| 3 Transistors | ||||||
| Quantity: | References | Value | ||||
| 2 | Q1, Q3 | BC327 | ||||
| 1 | Q2 | BC337 | ||||
| 2 Diodes | ||||||
| Quantity: | References | Value | ||||
| 2 | D1, D2 | 1N4148 | ||||
| 4 Miscellaneous | ||||||
| Quantity: | References | Value | ||||
| 1 | BAT1 | 9V | ||||
| 1 | LS1 | SPEAKER | ||||
| 1 | RV1 | 100k | ||||
| 1 | SW1 | SW-SPST | ||||