Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .
Shipping Methods
You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:
1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)
Delivery Time
Airmail and Airmail Registered
Area
Estimated Delivery Time
United States, Canada
7-25 business days
Australia, New Zealand, Singapore, United Arab Emirates
10-25 business days
United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland
10-25 business days
Italy, Brazil, Russia, South Africa
10-45 business days
Other countries
10-35 business days
Expedited Shipping
3-10 business days to Worldwide
Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.
If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.
Return Process
To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:
Alex NLD
Attn: Returns
RMA #
HaGiborim St 8
Tiberias, 14388
Israel
Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.
All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.
Refunds
After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.
Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.
Exceptions
If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.
Please provide us with following:
1. Photos of the front and back sides of the packaging box; 2. A photo, video or screenshot of the defective item or the defective part of the parcel.
Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.
Warranty & Repair service
If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team and the problem is acknowledged, you can send the items back to us for a repair.
Note: Please be aware, we do not cover the cost of the returns fees in warranty & repair service.
Order Cancellation
If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.
Questions
If you have any questions concerning our return policy, please contact us at:
COLOR is color recognition unit integrated TCS3472. Like its namesake, COLOR is able to detect color value and return RGB data to the host.
Identify color principle:
In the TCS3472, a 3*4 array of filtered photodiodes and a 16 bit analog-to-digital converters are embedded. Of the 12 photodiodes, 3 have red filters, 3 have green filters, 3 have blue filters and 3 have no filter(clear).
When detecting the color of an object, TCS3472 returns data from four channels: red(R), green(G), blue(B) and clear(C)(non-filtered). The response from the red, green and blue channels (RGB) can be used to determine a particular source’s chromaticity coordinates (x, y).
Chromaticity Calculation Process Overview:
When we get coordinates (x, y), please reference the below figure so as to get the recommended color.
This Unit communicates with the M5Core via the GROVE A interface(I2C). Address is 0x29.
1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click "Burn" to start burning.
The code below is incomplete. To get the complete code, please click here.
/* Color test hardware: M5Stack please install the Adfruit TCS34725 library first ...*/#include <Wire.h>#include <M5Stack.h>#include "Adafruit_TCS34725.h"// declarationuint16_t clear, red, green, blue;#define commonAnode true // set to false if using a common cathode LED// new a objectAdafruit_TCS34725 tcs;tcs = Adafruit_TCS34725(TCS34725_INTEGRATIONTIME_50MS,TCS34725_GAIN_4X);// initializationM5.begin(true, false, false);tcs.begin();tcs.setIntegrationTime(TCS34725_INTEGRATIONTIME_154MS);tcs.setGain(TCS34725_GAIN_4X);// read datatcs.getRawData(&red, &green, &blue, &clear);
After burnt this example, PC serial terminal will print original value RGBC(red, green, blue, clear).
Schematic:
PinMap:
M5Core(GROVE A)
GPIO22
GPIO21
5V
GND
COLOR Unit
SCL
SDA
5V
GND
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