Elecrow Pinout Motor/ Servor Shield for BBC Micro: bit Expansion Board Micro controller Computer Learn Programming for Kids

Elecrow Pinout Motor/ Servor Shield for BBC Micro: bit Expansion Board Micro controller Computer Learn Programming for Kids
  • Продавецbashgah.info
  • Список ценUS $22.90piece
  • Продажная ценаUS $22.90piece
  • ДоставкаБесплатная доставка
  • Рейтинги3,9 (424)

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 MDK9G25 development board AT91SAM9G25, USB 2.0 high speed , Ethernet, audio

 

 

 
 
 Core board hardware resources
 
 AT91SAM9G25, industrial grade , lead-free , 217BGA, rated frequency 400MHz, 133MHz front side bus
 128MB DDR2
 Reserved AT24, AT25, AT45 position , the user can weld
 256MB NandFlash, adjustable to 128MB or even 1GB
 Pitch , 2 × 40 × 2, all GPIO leads
 
 Backplane Hardware Resources
 
 USB 2.0 high-speed host interfaces × 2, USB 2.0 high-speed host and slave interface × 1
 10/100M Ethernet
 LCD interface (9G25 no lcd Interface )
 
 DBGU debug serial port , JTAG debug interface , and the other road leads to four TTL level serial ports , 1 serial port RS232 level
 Audio frequency
 1 channel high-speed MMC / SD card connector ( figure another way sd deck invalid )
 I2C interface temperature sensor LM75A ( optional )
 Leads ADC, TWI pins and other extensions
 
Core board PCB Specifications
 
51 × 75mm, 6 layer board design, manufacturers produced
 
 Software Resources
 
First, the bare metal program (Keil and IAR and GNU three platforms )
 Providing ATMEL package , mainly contains the following examples (ATMEL available ) :
  - Adc_adc10
  - Dma
  - Getting-started
  - Pmc_clock_switching
  - Ssc_dma_audio
  - Twi_eeprom
  - Twi_slave
  - Sysc
  - Spi_slave
  - Tc_capture_waveform
  - Usart_hw_handshaking
  - Usart_spi
  - Usart_synchronous
  - Usart_serial
  - Pwm
  - Periph_protect
  - Smc_psram
  - Emac
  - Hsmci_multimedia_card
  - Hsmci_sdcard
  - Hsmci_sdio
  - Smc_nandflash
  - Spi_serialflash
  - Usb_core
  - Usb_massstorage
  - Usb_hid_mouse
  - Usb_hid_keyboard
  - Usb_hid_transfer
  - Usb_cdc_serial
  - Usb_audio_looprec
  - Usb_iad_cdc_cdc
  - Usb_iad_cdc_hid
  - Usb_iad_cdc_msd
  - Usb_hid_msd
 
 
Two , linux
 U-Boot source code available ;
 Provide good Linux 2.6.xx transplant source code ;
 Provides the following driver :
   10/100M Ethernet driver
   2-way USB HOST driver
   USB Device Driver (USB gadget, optional )
   Universal Serial Driver
   Key driver
   Nand Flash MTD driver corresponding
   SPI driver
   TWI (I2C) driven
   On-chip RTC driver
   SD / MMC card driver
 
Shipping list
 
Development board X1
Cable , serial cable , usb cable , power supply , one each
CD
 

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:
  1. We Ship to Worldwide, but Italy, Nigeria, Brazil will take long delivery time .
  2. Before buying, Please make sure your address is correct. Or not, please correct it before payment
  3. 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.
  4. we advise shipping by DHL or EMS,and we have gave a discount for you,you can received it in 4-9 business days.
  5. 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:
  1. 12-months Warranty for defective items (excluding items damaged and/or misused after receipt).
Buy with confidence
  1. Refund or replacement request is available only the requests within 1 week after parcel received & returning the item as the same condition as received.
  2. 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.
  3. 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.
  4. 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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Power supply and power amplifier board split using the compact design, can be loaded 43mm slim chassis, each power supply board and the amplifier board contains all one (without pillars). Amplifier board with two TDA7293, which can be accessed as OCL (dual-channel) or BTL (mono) modes, BTL connection output power is doubled. Board components used are carefully selected, the filter uses four small 10000U/50V NOVER AUDIO gold capacitor. 35A high current rectifier bridge, amplifier board for a long time to meet the full load. Resistors used in all 1% metal film resistors, high-quality small sealed potentiometer. Other capacitor selection WIMA, Philips, King Kong, Nishi Kang and other famous brands. Circuit board using double-sided blue plate, nice, reasonable layout, signal to noise ratio. Power board Size: 109mm / width 71mm / high 38mm (top to the bottom of the board capacitance, not including components feet) amplifier board Dimensions: Length 117mm / Width 37mm
The amplifier board kit contains the necessary components (excluding pillars screws), then finished plate shipments into OCL default connection,
if you need to BTL connection, please leave a message.

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