|Package Weight||0.1kg (0.22lb.)|
|Unit Type||lot (5 pieces/lot)|
|Package Size||11cm x 11cm x 11cm (4.33in x 4.33in x 4.33in)|
note! ! Below $ 7 $ no tracking number
5pcs CJMCU-2814 / WS2812B-4 Wei / RGB LED / driving lights 4 Development Board
Product Description main feature inteent reverse polarity protection, power supply reverse polarity will not damage the IC. IC control circuit and a LED light source utility power. Control circuit and RGB chip in a 5050 package of components constituting a complete external control pixels. Built-in signal shaping circuit, any one pixel after receiving the signal through the waveform shaping and then output to ensure line waveform distortion will not accumulate. Built-in power-on reset and brown-out reset circuit. Trichromatic color of each pixel enables 256 brightness display, complete 16777216 colors full true color display, scanning frequency of not less than 400Hz / s. Serial cascade interface, through a signal line finish receiving and decoding data. Pass any two points in the transmission distance of not more than 5 meters without any additional circuitry. When the refresh rate of 30 frames / sec, the number of cascades of not less than 1024 points. Data transmission speeds of up to 800Kbps. Light color highly consistent, cost-effective. The main application areas LED full-color light-emitting character string lights, LED full-color module, LED full-color flexible light strip light bar, LED guardrail. LED spot light, LED pixel screen, LED shaped screen, a variety of electronic products, electrical equipment marquees. ...
Welcome to our shop, enjoy the shipping here, you can contact with me freely if any question, usually we will send datasheet,code via email . hope to do business with you.
payment: we only accept the payment by credit card,western union. We apologize that we cannot accept other payment methods, such as cheque or postal orders . Shipping: We Ship to Worldwide, but Italy, Nigeria, Brazil will take long delivery time . Before buying, Please make sure your address is correct. Or not, please correct it before payment Ship to worldwide from Hong Kong within 12-24 hours after payment completed received, and will give you the tracking number asap. sometimes we will send it by flat post air mail if just one low price order.Hope you understand. we advise shipping by DHL or EMS ,and we have gave a discount for you,you can received it in 4-9 business days . it takes about 15-30days usually if shipping by CHina/Hong Kong post air mail Feedback: the feedback is very important for us, pls leave me a 5 stars feedback if you are satisfied with our service and our items,or pls contact with me if there are some problem with our items.we will solve it asap. Warranty and Return: 12-months Warranty for defective items (excluding items damaged and/or misused after receipt). Buy with confidence Refund or replacement request is available only the requests within 1 week after parcel received & returning the item as the same condition as received. Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned must contain all original packaging materials. Please repack the item carefully. Items returned will be tested and a new replacement will be shipped to the buyer immediately when found defective. In the event that a suitable replacement is not available then a refund will be issued. Shipping, handling and insurance fees are non refundable. Return shipping is to be paid by the Buyer. ABOUT US: we have much more products, pls contact us if you need.welcome to wholesale. MUCH THANKS!!
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