Ham Radio Receiver 100KHz-1.7GHz full Band UV HF RTL-SDR USB Tuner Receiver USB dongle with RTL2832u R820t2 Ham Radio RTL SDR
53.20 50.01 $
WeAct Studio Offical Store
A studio dedicated to designing unique electronic modules.Technical support, quality assurance
WeAct Studio STM32F411CEU6 BlackPill
The version is V3.1.Board with our LOGO and version number is our board, ST new original chip, quality assurance.At present, most of the businesses selling MiniF4 in Cntronic are pirated.
WeAct Studio STM32F411CEU6 BlackPill
The version is V3.1.Board with our LOGO and version number is our board, ST new original chip, quality assurance.At present, most of the businesses selling MiniF4 in Cntronic are pirated.
WeAct Studio BlackPill Download Link
https://github.com/WeActStudio/WeActStudio.MiniSTM32F4x1
BlackPill Product Details
1. STM32F411CEU6 100Mhz, 128Kb RAM, 512Kb ROM
2. 25Mhz high speed crystal oscillator &
32.768Khz 6PF low speed crystal oscillator
3. Gold sinking process is adopted, lead-free
process is used, and the needle arrangement
is gold-plated, which is more environmentally
friendly
4. Support C language programming development
5. There are 3 buttons, reset key,
BOOT0 key, user key
6. The use of the latest original chip, high quality crystal vibration
Memory
512Kbytes of Flash memory
128 Kbytes of SRAM
SPI Flash(Optional)
Clock and Power Supply
* 3.3V-5V power input, 3.3V LDO maximum output current 100mA
* USB C interface is used, and a diode is serial to prevent power backflow
* 25Mhz high speed crystal oscillator
* 32.768K 6PF low speed crystal oscillator
Interface and Key
* USART x 3, I2C x 3, SPI x 5,USBFS x 1
* ADC x 1(10),I2S x 5,CRC x 1,TIM x 8
* 20 Pin 2.54mm pitch I/O interface x 2
* 4 Pin 2.54mm pitch SW debug interface x 1
* USB C (Type C) interface x 1
* User keys Key (PA0) x 1
* Reset key NRST x 1
* Boot0 key x 1
Design and Quality
* Adopt lead-free welding process, sink gold
PCB
* Boot is set by pressing a key
* Using high quality crystal oscillator, metal
shell, can be good vibration
* Always use the original chip
* GitHub regularly updates the chipmark used to
make sure that you are buying new chips
Use Items / Download Hex
How to enter ISP (serial port /USB download)
* Method 1:
Press Boot0 and NRST at the same time and
release NRST. After 0.5s, release Boot0 and
enter ISP mode
* Method 2:
In the power off state, press Boot0, power on,
wait for 0.5s, release to enter ISP mode
* Serial port download: use USB to serial port to connect the core board PA9,PA10 can be, do not use USB port power supply
* USB download: use the data cable to connect to the computer
* Weact Studio Download Tool
Dimensions and Accessories
Dimensions: 52.38mm x 20.78mm
Accessories:
* STM32F411CEU6 Core Board x 1
* 20 Pin 2.54mm pitch row Pin x 2
* 4Pin 2.54mm pitch back bend row needle x 1
Provide Altium Designer Core Board Packaging, see DATA
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
Shipping time varies by location. These are our estimates:
Location | *Estimated Shipping Time |
---|---|
United States | 10-30 Business days |
Canada, Europe | 10-30 Business days |
Australia, New Zealand | 10-30 Business days |
Central & South America | 15-30 Business days |
Yes, you will receive an email once your order ships that contains your tracking information.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.
If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.
*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
Thank you for your interest doing business with us!
If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.© 2017-2023 CNTRONIC Consumer Electronics Retailer.