Based on AT89C51 digital thermometer

A, AT-12 A learning board main features:
http://www.siliconray.com/stc-8051-standard-kit.html
1. Direct USB port the power supply can be through the computer USB port download program, convenient no serial notebook computer download and direct burn to write programs.
2. Direct download and write program online, don't need to purchase another single-chip microcomputer and writing implement, also can at any time convenient to burn to write programs to the single chip microcomputer program operation in check, learning, commissioning
Program of frequent and write save complex, changing pieces process.
3. A direct online simulation function, don't need another purchase expensive emulator. The chip in experiment, and directly online one step, commissioning at full speed.
4. The day AT-12 A learning board set experiment development board, A programming console, and write device, simulators four one, simple and efficiency.
5. Rich hardware resources: AD modulus conversion chip, DA ? number

Based on SCM speech recognition of the module design response system have?

#include "A2000.h"
#define  SPEECH_1  0
#define  DAC1   1
#define  DAC2   2
#define  Ramp_UpDn_Off 0
#define  Ramp_UpDn_On 3
#define  Manual   0
#define  Auto   1
#define  Full   1
#define  Empty   2
#define  Mode   1

//=============================================================================================== http://www.siliconray.com/robots/l293-quadruple-half-h-motor-driver-module.html

//===============================================================================================
main()
{
    extern long   RES_WW_24K_SA,RES_WW_24K_EA;          //
    long  int Addr;                //
    int Ret = 0;                //
    if(Mode == 1)             //
   {      
     SACM_A2000_Initial(1);                         //
     SACM_A2000_Play(SPEECH_1,DAC1,Ramp_UpDn_On);    //
        while(1){
     F_ClearWatchdog();
     SACM_A2000_ServiceLoop();}                       //
   }  
if(Mode == 0)                //
     {
   Addr=RES_WW_24K_SA;                 //
   SACM_A2000_Initial(0);          //
      SACM_A2000_InitDecoder(DAC1);            //
    while(SACM_A2000_TestQueue()!=Full)       //

     {
  Ret=SP_GetResource(Addr);              //
        SACM_A2000_FillQueue(Ret);            //
        Addr++;
  }
      while(1)
   {
   if(SACM_A2000_TestQueue()!=Full)
  {
  Ret =SP_GetResource(Addr);  
     SACM_A2000_FillQueue(Ret);
     Addr++;
     }
        if(Addr< RES_WW_24K_EA )          
        SACM_A2000_Decoder();            
        else
        SACM_A2000_Stop();               //
        F_ClearWatchdog();                            
     } 
   }
}

Based on 51 SCM infrared induction door graduation design

This paper introduces the 8051 single chip microcomputer, the application of single chip, to be automatic infrared induction door technology and application, etc. Design a simple 51 single-chip microcomputer based on infrared automatic induction door, and gives a simple test procedures and interface circuit.
Key word: 8051 single chip microcomputer; Infrared sensors.

http://www.siliconray.com/catalogsearch/result/?q=8051
4 design part
4.1 the design requirements
The design aims to design a simple function of 51 single-chip microcomputer control infrared automatic induction door. And presents a simple test procedures.
4.2 this design part and principle
Infrared automatic induction door mainly by the following seven parts.
(1). The Lord controller: induction door command center, through the internal entities of the single chip microcomputer instruction to issue a corresponding instruction, command motor, etc. Also, people can

Excuse me, which a player know the laser rangefinder system based on single chip the graduation design to do?

Design requirements

1. Basic requirements
(1) the measuring range 0.10-5.00 M;
(2) can steadily display measured results;
(3) can differ according to the length of the distance of the frequency of sound. Problems added:
A, design task
Simulation design and production of a laser rangefinder system.
Second, the design requirements
1. Basic requirements
(1) the measuring range 0.10-5.00 M;
(2) can steadily display measured results;
(3) can differ according to the length of the distance of the frequency of sound.
2. Play a part
(1) can be applied to the industrial field position monitoring;
(2) can be used for liquid level, well depth, length of pipe of the survey;
(3) speech function;
http://siliconray.blog.com/

Siliconray:BP103-04 STM32F103VET6 Development Board

Siliconray:BP103-04 STM32F103VET6 Development Board

BP103-04 STM32F103VET6 development board
http://www.siliconray.com/stm32-arm-starter-kit.html
1, STM32F103VET6 chip
2, 320 * 240 get 2.4 inch TFT color LCD mode
3, JTAG connectors, reset button
Four, 32.768 KHZ and 8 MHZ crystal
5, 5 V chips AMS1117 3.3 V-3.3
6 and RS232 uart, UART1 and UART2 can set jump shots
7, all the I/O is the name of the sign of the lead and I/O
8, it supports USB power supply, JLink power.
Data:
Principle (PDF format)
Related sound code
Accessories list:
1 STM32F103VE development board

Siliconray:ATmega128 MCU Starter Kit

Siliconray:ATmega128 MCU Starter Kit
http://www.siliconray.com/development-boards/avr/atmega128-mcu-starter-kits.html

1. SCM: ATmega128A/ATmega128 / ATmega128L;
2. Advertising is the reference voltage converter inductance and capacitance network.
3. But by external crystal jumpers.
4. Dip connector to all the I/O mouth;
5. The ISP and JTAG connectors;
6. Stable reset circuit;
7. Drive two leds and PA0 PA1 provide simple test;
8. The power and the I/O brooch is 5 V;
9. PCB size: 52.3 MMx80MM

TA2024 high quality audio amplifier D

TA2024 high quality audio amplifier D class
Feature:
Power: 15Wx2 @4Ohm, 10Wx2 @8Ohm
Power supply: 12V-15V 3A
0.04% THD
Designed with Tripath TA2024
All HiFi capacitors design
Effeciency: >88%
No heatsink needed
Compact size 90mm x 66mm
Short circuit and thermal protection