This board is based the STM32F407
microprocessor family which performances ARM Cortex M4- 32- bit RISC core
operation with upto 168 MHz frequency. The STM32F407 is with high-speed embedded
memories as Flash memory up to 1 Mbyte and 192 Kbytes of SRAM. This board is
designed with various functions.This board is also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security.
Cortex-M4 Embedded Trace Macrocell™
Operating Voltage : DC 5V (4.7V ~ 18V).
Operating Current : XX mA.
Operating Temperature :
Storage temperature :
Cortex-M4 Embedded Trace Macrocell™
Up to 1 Mbyte of Flash memory
Up to 192+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM
2×12-bit D/A converters
Clock, reset and supply management
4-to-26 MHz crystal oscillator
Internal 16 MHz factory-trimmed RC (1% accuracy)
32 kHz oscillator for RTC with calibration
Internal 32 kHz RC with calibration
Sleep, Stop and Standby modes
CRC calculation unit
RTC: sub second accuracy
USB 2.0 full-speed device/host/OTG
Micro SD Card
Temperature and Humidity Sensor
10/100 Ethernet MAC with dedicated DMA
4 push bottom Sw
Parallel LCD interface
LWIP TCP Client Routing
5 Relay Switches for external high voltage/current control
We accept the following forms of payment: - Credit Card - Visa - MasterCard - American Express - Discover - PayPal
Shipping Method : Parcel Service
Shipping Area : A Region.
Shipping Cost : International Shipping Fee
Shipping Time : 3 - 7 days
Please take into consideration that some products may take additional time for delivery and processing. Important: Your order is shipped once your payment has been cleared. Please contact our customer service center if you would like to request an exchange or return on your order.
- Customs and Duties
The recipient will be held responsible for international shipments which may be subject to import duties and taxes. Please be advised that these charges are levied by the destination country and we do not have control over them. In the case that the recipient refuses to receive the parcel, the order will be returned to Korea and will not be re-shipped. Relevant expenses (round-trip shipping, customs, etc.) will be deducted from the refund.
Returns & Exchanges
Please take into consideration that we only accept qualifying returns but not exchanges. Refunds are issued once the returned products clear our inspection.
1) An item is eligible for cancellation if: -you posted a Return request within 24 hours of payment and your order is still under “Pending” status (if your order is under “Preparing Shipment” status, please contact our customer service center) or -the order is delayed for more than 10 days since payment and you have not received any notification regarding the delay; or -the ordered item is out of stock.
2) We accept return(s) if:
-you receive a product different from your order; or
-you receive a defective product.
(1) Post a return request on our Return forum within three days of receipt. You are required to attach the photos of the received product(s) and include the item code, the order number, and the reason for the return.
(2) A customer service representative will be in contact to assist you by email or phone.
(3) Items returned must be in their original condition, which includes tags and any packaging. Also, you need to include a note of your order number, name, and user ID.
*Please be advised that returns are accepted ONLY IF you followed the instructions above and your return request has been approved by our staff. Returns that are shipped to us without any prior consent are not accepted.
*Please note that EVEN the defective/incorrect item(s) must be returned with all of the tags and labels intact. The item(s) must be sent in their original packaging and unworn.
*Please include all contents of the original package and free gifts (if applicable) in your return packaging.
* Shipping fee for any return caused by our fault will be paid by the company. However, if EMS’ cash on delivery is not possible then you can scan the return receipt and either mail it with the item to return or post an image of it on the forum. The shipping fee will be refunded once the returned item has arrived.
3) We do not accept return(s) if:
-you are returning the items just because you changed your mind (on size, color, etc.) -you are returning shoes, bags, or any other accessories -the products are damaged due to your mishandling -your return request is not approved by our staff
The following items are not considered defective:
* Items that are originally manufactured without tags or labels * Items with creases that may have been made while shipping * Items with unsatisfactory/incomplete finish due to mass production
4) If there is a missing item from your order:
*Contact our customer service center by phone or by forum (if you cannot reach us by phone) within 1 day of delivery. *Please keep all contents of the original package including packaging material (boxes, plastic bags etc.) with you until you are instructed otherwise.
Please note that we may not be able to process the refund for your missing item if you lose or damage any packaging material.