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minimum system Customers Reviews

  • Very good Board for beginners

    posted by tboysen

    The board comes with an Atmega32 running on 16MHz, complete with screws and spacers.The Controller is preloaded with a USB bootloader, that implements a HID USB device (VendorID 16C0, ProductID 05DF), so no drivers are needed with windows. It seems to be BootloadHID, AVRUSBBoot or equivalent. It resides in the 2KB boot code section and is activated by holding S4 while reset. A blinking LED indicates that the bootloader is awaiting data. If S4 isn't pressed while reset the software loaded to the flash is started.Just compile your program with for example AVR Studio and send the hex file via USB using a tool like "HIDBootFlash". That's all. Therefore this is a very nice product for beginners to start because no extra Programmer is needed. For me it's a useful board to quickly implement and test something without the need to etch a board.
    Google for "BootloadHID" and "HIDBootFlash" to find all you need to start.The simple test program i used for testing:#include <avr/io.h>#include <util/delay.h>// Test program for the JY-MCU Minimum AVR Board// DX SKU 104310// // Define CPU clock in makefile.// 16MHz: F_CPU=16000000int main(void){ unsigned char i=0; DDRB=0xFF; //Port B as output, LEDs are on PB7 (LED1) - PB0 (LED8). // Init Blink PORTB=0x00; _delay_ms(100); PORTB=0xFF; _delay_ms(100); PORTB=0x00; _delay_ms(500); // A simple moving light ;) // The bit representing the active Bit // is shifted back and forth. while(1) // forever do { for (i=0;i<8;i++) { PORTB=(1<<i); _delay_ms(250); } for (i=0;i<8;i++) { PORTB=(1<<(8-i)); _delay_ms(250); } }}
    Like i said, good for beginners, handy for quick tests for pros.
  • Good development board

    posted by MatiasSilv

    The quality of this board is really good. Small size of the board is a plus. It provides easy access to all I/O of the microcontroller. Has an USB port and UART 1 pins are avaiable on a side for easy access. It has 4 smd leds and 3 buttons for testings.
    Altough it doesn't comes with an example code or cd...you can download examples, libraries and drivers from ST web.I have some doubts ADC supply filter...it doesn't seems not using an inductor as ST recommends to filter high frequency noise.
    It is a good choice for fast prototyping. If you will use this for high precision ADC readings, you should do some modifications to the board to add a better ADC supply filter.
  • Good, datasheet?

    posted by mcrkmcrk

    Where is datasheet? It is impossible to find on the net, the circuit schematic. It's a s ame you do not publish as it is an educational product and this is necessary
    In google, no. It is impossible to find on the net, the circuit schematic. It's a s ame you do not publish as it is an educational product and this is necessary
    Where is a schematic circuit? It is impossible to find on the net, the circuit schematic. It's a s ame you do not publish as it is an educational product and this is necessary
  • Usefull low cost FPGA starter board

    posted by troode

    Simple uncluttered layout, ease of access to user IO's. Simple to implement clasic FPGA designs and use in NIOS type environment. Even with poor documentation it is fairly easy to figure out.
    A Cyclone IV board with the same features and size would be nice.
    Worth Buying. super low cost and easily integrated with various other items. If you need an FPGA board for a project or just to learn the ropes this is probably the lowest cost for full fledged FPGA functionality.

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