1kΩ Resistor (10 pcs)
5V Buzzer Module
Red LED Pack (10 pcs)
220Ω Resistor (10 pcs)
1 Key switch Module 6x6mm switch
Buzzer 5v - 6v Continues Beep Tone 12x9.5mm
1000uF 16V DC JWCO 105C Electrolytic Capacitor
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0.96 INCH OLED Display Module
1 cell AA battery holder
1 cell li-po battery holder