Active Speaker Buzzer Module Boards

Active Speaker Buzzer Module Boards
Active Speaker Buzzer Module Boards
Active Speaker Buzzer Module Boards
Active Speaker Buzzer Module Boards


$۱۰.۷۷ Buy It Now or Best Offer
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Item: ۱۹۶۱۰۱۵۳۱۶۲۳

eBay Active Speaker Buzzer Module Boards 1 piece. Active Speaker Buzzer Module Boards – Asia Sell The “source” here does not refer to the power source. It refers to the source of the shock. The characteristics of the passive buzzer are: (1) The passive internals do not have an oscillating source, so if the DC signal is used, it cannot be audible. It must be driven by a 2K-5K square wave (pwm); (2) The sound frequency can be controlled. (3) In some special cases, a control port can be multiplexed with the LED; The characteristics of the active buzzer are: (1) The active buzzer has an internal oscillation source, so it will be called as soon as it is energized. (2) The program control is convenient. The high and low level of the single chip can make it sound, but the passive buzzer can’t. Introduction: (1) The module uses 9012 transistor drive (2) Operating voltage 3.3V-5V (3) Fixing bolt holes for easy installation (4) PCB size: 2.0cm * 1.5cm Interface definition: (1) VCC external 3.3V-5V voltage (which can be connected directly with the 5v microcontroller and 3.3v microcontroller) (2) GND External GND (3) I / O external microcontroller IO port 1)The current focus is a CLEARANCE SALE, with some variants within each product (some colours, sizes etc.) very very cheap (N.B. the single-variant (standalone) products in the sale category are all discounted of course). 2)Any “BUY X GET 1 FREE” promotion or volume discount such as “BUY X GET X FREE” or “BUY X FOR X% OFF” applies to any mixture of the same or different items, so please visit the STORE to find the relevant category and that X’th item! Our % off deals also apply to the whole order and not just a single item! 3) Items will be sent from either Sydney or Cairns. Active Speaker Buzzer Module Boards Please find the item description below. –> Sale BIGGEST EVER STOCK CLEARANCE Other Non-categorised Electronics / Electrical Adapter (60+) Battery Holder (80+) Breadboards & Protoboards (20+) Buck, Regulator, Charge, Balance etc. (40+) Cables and Attachments/Tools (90+) Computer and TV Accessories (10+) DC Jacks, Plugs, Terminals etc. (80+) Displays – LED, LCD, OLED (30+) Drivers for LEDs and Motors (10+ Hand Tools and Hardware Heat Sinks (20+) Kits – Electronic (20+) LED – Fixed, Wired, Strip, Connectors (60+) Microcontroller Sockets (30+) Motors & Gears – other than servos Other – Electronic Remote Control Vehicle Parts (40+) Sensors – 10+ types (70+) Servos, Parts, Tools, Test (40+) Soldering (10+) Switches, Buttons (20+) Tapes, Adhesives (5+) Weddings, Parties, Birthdays, Valentines Artificial Flowers (20+) Confetti (20+) Garlands (5+) Gifts and Gift Bags (5+) Table Name Cards (5+) Fashion and Jewellery Accessories Bracelets (60+) Buttons (150+) Charms and Pendants (40+) Clothing Patches (5+) Earrings (10+) Hair Clips & Pins (5+) Key Rings and Chains (60+) Key Rings – Standard/Novelty (20+) Masks (5+) Nail Decorations (40+) Necklaces (5+) Other (Fashion) Rings – Men’s Women’s (50+) Shoelaces (5+) Arts, Crafts, Toys, Education Cabochons – Designs (60+) Eyes & Eyeballs – Glass (70+) Eyes & Eyeballs – Plastic (30+) Foam Balls (30+) Stickers (10+) Tapes, Ribbons (20+) Toys, Educational (40+) Description 1 piece. Active Speaker Buzzer Module Boards – Asia Sell The “source” here does not refer to the power source. It refers to the source of the shock. The characteristics of the passive buzzer are: (1) The passive internals do not have an oscillating source, so if the DC signal is uséd, it cannot be audible. It must be driven by a 2K-5K square wave (pwm); (2) The sound frequency can be controlled. (3) In some special cases, a control port can be multiplexed with the LED; The characteristics of the active buzzer are: (1) The active buzzer has an internal oscillation source, so it will be called as soon as it is energized. (2) The program control is convenient. The high and low level of the single chip can make it sound, but the passive buzzer can’t. Introduction: (1) The module uses 9012 transistor drive (2) Operating voltage 3.3V-5V (3) Fixing bolt holes for easy installation (4) PCB size: 2.0cm * 1.5cm Interface definition: (1) VCC external 3.3V-5V voltage (which can be connected directly with the 5v microcontroller and 3.3v microcontroller) (2) GND External GND (3) I / O external microcontroller IO port Discount Info! We need to clear a bunch of items, as described in the banner above.They are in our Store Category called “Mega Savings Sale” or you can click on the banner above or “Biggest Ever Stock Clearance” in the menu to the left. Around 800 products contain discounts of between 30-60%. All single variant products in the category are discounted and certain variants within the multi-variant products are discounted. Variants are within products and refer to different sizes, quantities, colours etc. Total discount items would be over 1000 items. Look for the disproportionately cheaper variants. Those are the discounted ones. When the “BUY 2 GET 1 FREE (Add 3 to Cart)” promotion is running, the lowest priced item of every 3rd item is free. Add 3,6,9 etc. items to cart or directly hit the Buy button. On the final payment page you will see a discount equal to the lowest priced of each 3rd item. This discount is located right above the final price. As an example… if you add 2 wingdings at $5 each and 1 widget at $4, a $4 discount will appear and the price will be $10. You can’t buy 2 and expect a 3rd because our inventory will be messed up and there are other reasons, not to mention the promotion saying “Add 3 to cart”, so you have to include each 3rd item. eBay almost always has 5% discounts where you type in a code at the bottom of the checkout screen. There are often discounts as good as 20% off, or $10 off for a $20 spend. These are applied on top of our discounts. Check out the OzBargain site to find those easily, but understand that “targeted” discounts may only be targeted to your new eBay accounts 😉 Sometimes your discounts appear highlighted in pink in My eBay or are found in your email (under Promotions heading if using gmail). Payment and Gift Info We use eBay Payments, so there are a whole plethora of payment options. Ordering Info Each product that has more than 1 in stock has a box where you can enter how many you would like and the inventory quantity in stock is written next to that. We much prefer if you make 1 purchase instead of multiple, since fees for each order are 35c and single orders are more speedy to fulfil. It’s fine if you have various discounts you want to use. Feel free to ask us to double check our stock quantity before you order, because we can get defect points if there is an error. We usually check and reply to messages about 10 times per day at all times of the day and night, but not on any schedule and we don’t get a ding in our ear. We are pretty fast. Stock Info We have more than 20 categories of electronics, plus 20 more categories of Arts and Crafts and Fashion accessories and much more. We may also have more stock than is shown in the listing. We can also source large quantities or virtually any item you are after. With over 3000 individual items in store (including variations) you should have no trouble finding multiple items to buy to get a sizeable discount on already cheap products. The range covers electronics, hardware, wedding decorations, party supplies and fashion accessories. Shipping Info We can only provide 4 options in eBay. Included for every listing are regular and express options. To reduce wastage we may use our own recycled packaging that is in a reasonable condition. We usually do SAME DAY POSTAGE if the order is placed before 4 pm approx. Please have some patience when it comes to any packages that seem to be taking a while to arrive We much prefer to refund manually by you messaging us, instead of you going through the system. This avoids defect points and you don’t have to wait at least 5 days for eBay to look at the case. We may ask if address details are correct or if you mind waiting a little Free Returns Info Please consider contacting us first as there may be a cheap way to return our small items and we hope to keep the return count down for product search ranking purposes. Althought it is free returns on most items, if we determine the return(s) to be conducted for narfious purposes, such as presumed intention to cause cost to our business, then the postage cost incurred in both directions may be deducted from the refund. The postage cost incurred may not be the same as the postage charged in the listing (for example, most listings have $0 stated as the postage charge). Feedback Info/Contact us We provide feedback to buyers in selective bulk from time to time. We have had many requests for feedback. We donât use automatic feedback. If by some small chance the item arrives damaged, please do not hesitate to contact for REFUND OR REPLACEMENT. We take full responsibility, but may ask for a photo. Please contact us if there are any problems. As reflected in our feedback we have swift and efficient communication with buyers. Please give us 5 STARS all round. We maintain high standards of excellence and strive for 100% customer satisfaction! Positive feedback is very important to us. If you are not fully satisfied please contact us so that we can satisfactorily address your concerns. Buy now and save! Tell a friend Visit store Watch now Postage info Click the Postage tab above the listing description for more info Click the Postage tab above the listing description for more info! Additional delivery notes PICK UP OPTION Sorry, our items are NOT available for pick-up. PAYING VIA PAYPAL We accept PayPal on our all our items so you can shop with confidence. Simple choose the PayPal option when proceeding through the checkout. Additional Information No additional information at this time Ask seller a question You might also like Glow In The Dark Stars Pink Fluorescent Luminous Nursery Room GITD 100pcs 10x Half Round Doll Eyes Pink Brown Blue Yellow Plastic Eyeballs Reborn 20mm Contact To contact our Customer Service Team, simply click the button here and our Customer Service team will be happy to assist. Ask seller a question © Asia Sell Postage Click the Postage tab above the listing description for more info Payment Accepted Payment Methods PayPal Direct Deposit Returns Returns are accepted Items must be returned within 60 days of the auction ending Seller will pay for return shipping. Additional Information: Althought it is free returns on most items, if we determine the return(s) to be conducted for narfious purposes, such as presumed intention to cause cost to our business, then the postage cost incurred in both directions may be deducted from the refund. The postage cost incurred may not be the same as the postage charged in the listing (for example, most listings have $0 stated as the postage charge). eBay integration by

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