CHANNEL Dc 5V 12V Ne555 โมดูลเครื่องกําเนิดไฟฟ้าสําหรับ Arduino Smart Car NE555 Adjustable Resistance Frequency Pulse Generator Module

DC 5V 12V NE555 Adjustable Resistance Frequency Pulse Generator Module Single Channel Output for Arduino Smart Car Features: 100% Brand new and high quality! On-board chip NE555. A single channel output, the output duty cycle square wave is about fifty percent. Onboard adjustable resistance, resistance can be controlled to adjust the output frequency. Specifications: Color: Blue Working voltage: 5-12V Size: 29 (mm) x12 (mm) Package Included: 1pcs x NE555 Adjustable Resistance Frequency Pulse Generator Module Before purchase: 1. All the goods are in stock and we will dispatch immediately if we receive the order. 2.Please read the item description, if you have any question, do not hesitate to contact us. Shipment： 1.1-2 days to ship(except for the pro-order item) After purchase: 1.If you are satisfied，please give us 5 stars praise. 2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems. if you receive a defect item,please contact us at once with item picture or video #DC #5V #12V #NE555 #Adjustable #Resistance #Frequency #Pulse #Generator #Module #Single #Channel #Output #for #Arduino #Smart #Car