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Astable mutlivibrator circuit.

1 year ago 271
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Description

Change R3=R4 and C1=C2 to vary LED1/LED2 blinking frequency. LED3 has a strobe effect by PC817.

Documents

Astable multivibrator circuit

Auto blinker

LED Blinker v2.0

Auto_blinker v2.0

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 10uF C1,C2 CAP-D4.0XF1.5 2 10uF 25V 4*7 ValuePro LCSC C43351
2 GREEN LED1,LED2 LED-5MM-2.54MM 2 5AG2HT01 200-300 KENTO LCSC C54166
3 2N2222 Q1,Q2 TO-92(TO-92-3) 2 2N2222 SEMTECH LCSC C118536
4 Vcc +9V H1 210S-1X2P 1 210S-1*2P L=11.6MMGold-plated black Ckmtw LCSC C124375
5 470Ω R1,R2 AXIAL-0.3 2 MFR0W8F4700A50 UniOhm LCSC C61674
6 47KΩ R3,R4 AXIAL-0.3 2 MFR0W8F4702A50 UniOhm LCSC C58677

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