Active Buzzer Driving Module Alarm Mcu Intelligent For Arduino

US $1.88

Shenzhen, China
Jan 29th

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Active Buzzer Driving Module Alarm MCU Intelligent For Arduino Item Description 3.3 to 5V Active Buzzer Alarm Module Sensor And 3 Pin TTL Cable Description: 1.Product Name:3.3 to 5V Active Buzzer Alarm Module Sensor And 3 Pin TTL Cable 2.Transistor drive module uses 8550 3. Operating voltage 3.3V-5V 4. With fixed bolt hole- easy installation- 2.6mm aperture 5. PCB Dimensions: 28.2mm (length) * 13.1mm (W) * 11.5mm (H) 6. Wire length: 20.5cm 7. Weight:. 7g Features: Passive buzzer features are: 1. Passive internal shocks without source- so if you can not make it with a DC signal tweet. Must be a square wave 2K ~ 5K to drive it 2. Sound frequency control- you can make a "more than a meter hair Suola" effect. 3. In some special cases- you can reuse a control and LED mouth Active buzzer features are: 1. An active buzzer with a concussion internal source- so long as it will be called an energized 2. Program easy to control- SCM can let a high-low sound- while passive buzzer did not. Module interface specification (3-wire) + External 3.3V-5V voltage (can be directly connected with the 5v and 3.3v MCU MCU) - External GND out external microcontroller IO port Package Including: 1x active buzzer module 1x 3p cable Payment Description We only accept PayPal. PayPal is the only online payment method we accept. Please make sure you have a valid/confirmed PayPal account prior bidding. Shipping Description Items will be shipped within 1 business day on payment received. we can provide a tracking number when you order more than $35.we will send you a DHL or other Express package when you order more than $200. Items are shipped using Airmail, which reach most of the countries within 10 to 25 business days. Delivery time depends on destination and other factors, it may takes up to 25 business days. Country Delivery Time Working days 5-10 11-15 16-20 21-25 26-30 >31 Calendar days 5-12 13-19 20-28 29-35 36-45 >41 United States Rate of arrival 9% 50% 35% 5% 1% Resend or refund Canada, Australia Rate of arrival 4% 45% 43% 6% 2% Resend or refund United Kingdom Rate of arrival 7% 46% 44% 2% 1% Resend or refund Europe (Exclude UK) Rate of arrival 2% 38% 45% 11% 4% Resend or refund Others Rate of arrival 3% 38% 48% 8% 3 Resend or refund Return Description If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it. if item is defective in 2 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item. f item is defective after 2 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee. About Us Please feel free to contact us whenever and whatever. We will be always here for you. please leave us 24 business hour to answer your emails. thank you for your business ,wish you a nice day. Engineered for professional eBay sellers!