Electronic Circuit DIY Production Analog Telegraph DIY Spare Parts Welding Training DIY Kit

Feature Product name analog transmitterSupply voltage DC5VPCB size 36 28mmNote This kit requires self assemblyPrinciple This kit consists of NE555 and its peripheral devices to form a time base circuit the key K controls the power on time makes the buzzer sound and simulates the telegraph sound Package includes 1 x DIY KitListComponent nameComponent positionQuantity1 4W Resistor 1KR111 4W Resistor 10KR221 4W resistor 4 7KR33Ceramic capacitor 333C11Ceramic capacitor 103C21Electrolytic capacitor 100uF 25VC315MM red LEDLED1Touch button 6 6 5MMK1In line NE555 chipU113x AA battery boxes battery not included 1PCB board1

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