Description This Crowtail- BME280 Atmospheric Sensor is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically, you can find out anything you need to know about atmospheric conditions from this board. The Crowtaill- BME280 Atmospheric Sensor has been design to be used in indoor/outdoor navigation, weather forecasting, home automation, and even personal health and wellness monitoring. The Crowtail- BME280 Atmospheric Sensor measures atmospheric pressure from 30kPa to 110kPa as well as relative humidity and temperature. The Board provides a 5V tolerant I2C interface (with pull-up resistors to 3.3V), takes measurements at less than 1mA and idles less than 5uA. FeaturesOperation Voltage: 3.3V I2C Communications Interface Temp Range: -40C to 85C Humidity Range: 0 - 100% RH, =-3% from 20-80% Pressure Range: 30,000Pa to 110,000Pa, relative accuracy of 12Pa, absolute accuracy of 100Pa Altitude Range: 0 to 30,000 ft (9.2 km), relative accuracy of 3.3 ft (1 m) at sea level, 6.6 (2 m) at 30,000 ft. Incredibly Small
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About Us | Elecrow is an open hardware facilitation company based in Shenzhen, China. Benefiting from the largest electronic market, local manufacture power and convenient global logistic system, a vast number of funny and exciting products are created every day. We integrate resources to serve new era of innovation. To make your making and innovation easier, we offer various development platform, modules, tools, electronics components,and other open source hardware.we also provide many kinds of service ,include Fusion PCB service, Component Sourcing service and PCB Assembly service etc. No matter whether you're a curious student, a qualified engineer, or a hobbyist who loves to create, there will always be something here to meet your needs - and if there isn't ,we'd love to know. please Feel free to contact with us. 
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| Warranty & Return | We do our best to serve our each customer the best that we can do. We will refund you for items returned within 7 days of you receiving them, for any reason. A full refund will be given if items are returned in their original condition. We provide 1 month replacement and 12 months maintenance warranties. Items be replaced during the first month or maintained for the first year. Before returning items, please contact with us and make sure you get our (the seller’s) return address
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| Shipping | 1. We support world wide shipping with tracking number(Registered airmail) and express(DHL/FEDEX/UPS/EMS). 2. Shipping cost: Click "Shipping and payment" tab on the product detail page, and you will see the delivery details. You can calculate shipping cost by inputting the required information. 3. Time in transit: Transit time varies with different shipping methods.
Carrier Name | Estimated Time in Transit from China to Destination | Tracking Service | 
| 3-5 business days | www.dhl.com | 
| 3-5 business days | www.fedex.com | 
| 3-5 business days | www.ups.com | 
| 5-10 days | www.ems.com.cn | 
| 7-25 days | www.hongkongpost.com |
4. Order Processing Time: Orders will be processed within 1-2 business days after payment is cleared.
| Tech support | Technical support is to help suggest products to purchase and ensure that those products are working as expected. |
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