EQKIT Simple Electronic Organ Kit DIY NE555 Soldering Practice Board Multi-notes Keyboard Set
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Product details
Condition
New
Location
International
Bob Shop ID
615103482
Introduction: ? By pressing the key to change the different inputs of the NE555 oscillation resistor, NE555 generates different signal frequencies and drives the buzzer to make different sounds through the capacitor coupling. The kit can generate 16 notes by key combination. ? Feature: ? Operating voltage: DC4-12V Standby current: a???1mA Operating current: a???40mA Number of notes: 16 Power switch: Yes Welding difficulty: Easy Board size: 143 x 22 (L x W) ? Package includes: ? 1 x Electronic Keyboard Kit
