USBASP & USB & AVR emulator & ISP ATMEGA8
USBISP can resolve the problem of laptop, without parallel port, studying microcontroller download program and support VISTA system of Microsoft. Software and hardware are well-designed, easy to use and high reliability. Also, it supports AVR and S51 series microcontroller and programs fast.
[External member includes following devices]
1. 1 USBISP;
2. 1 standard 10Pins flat cable (length is 50CM);
3. Driver and operating instruction;
4. 1 10Pins connector.
Features:
1. It supports USB1.1or USB2.0 and WIN98,WINME,WIN2K,WINXP,WIN Vista Mac.
2. It is powered by USB port
3. When programming chip, it is powered by target board or USB.
4. Accelerate or decelerate download by jumper.
5. USB type A slave connector which can be connected with USB port of computer.
The product also supports the following devices :
51 series: AT89S51、AT89S52
AVR series:ATTiny12(L)、ATTiny13(V)、ATTiny15(L)、ATTiny24(V)
ATTiny25(V)、ATTiny26(L)、ATTiny2313(V)、ATTiny44(V)
ATTiny45(V)、ATTiny84(V)、ATTiny85(V)、AT90S2313(L)、AT90S2323(L)
AT90S2343(L)、AT90S1200(L)、AT90S8515(L)、AT90S8535(L)
ATMEGA48(V)、ATMEGA8(L)、ATMEGA88(V)、ATMEGA8515(L)
ATMEGA8535(L)、ATMEGA16(L)、ATMEGA162(V)、ATMEGA163(L)
ATMEGA164(V)、ATMEGA165(V)、ATMEGA168(V)、ATMEGA169(V)
ATMEGA169P(V)、ATMEGA32(L)、ATMEGA324(V)、ATMEGA325(V)
ATMEGA3250(V)、ATMEGA329(V)、ATMEGA3290(V)、ATMEGA64(L)
ATMEGA640(V)、ATMEGA644(V)、ATMEGA645(V)、ATMEGA6450(V)
ATMEGA649(V)、ATMEGA6490(V)、ATMEGA128(L)、ATMEGA1280(V)
ATMEGA1281(V)、ATMEGA2560(V)、ATMEGA2561(V)、AT90CAN32
AT90CAN64、AT90CAN128、AT90PWM2(B)、AT90PWM3(B)
http://www.siliconray.com/catalogsearch/result/?q=USBASP+%26+USB+%26+AVR
2011年11月30日星期三
2011年11月29日星期二
Tube amplifier assembly step by step instruction
Step 1: Assembly installation
1、 Ease protective film of amplifier shell off carefully.
1、 Cut hole of power transformer.
2、 Install tube socket.
The finished installation of tube socket (front side).
The finished installation of tube socket (the back).
3、 Install transformer and choke.
Note: two out-put transformers and choke share with four holes. The end of one out-put transformer installs hole1; two out-put transformer share with hole2; the end of choke installs hole3; the other end of choke and the other out-put transformer share with hole4.
4、 Install electric outlet, out-put outlet, signal in-put outlet, potentiometer and switch.
Show of finished assembly installation.
Step 2: solder circuit.
1、 Solder power supply.
After soldering, test whether output of power transformer is correct.
Please note plugging 5Z4P tube.
1、 Solder amplifier.
Test after soldering.
Step3: Show of finished machine.
2011年11月27日星期日
this is “2.1 Channels LM1875 HiFi Audio Power Amplifier ”. only $24
Features
- Designed with National Semiconductor LM1875 and famous audio operational amplifier NE5532.
- 2 x 6800uF power filter capacitors
- ±1% metal film resistors are used to guarantee the SNR
- 1.6mm high quality double side 2oz PCB
HiFi audio power amplifier designed with NE5532 + LM1875, 2.1 channel, 25W + 25W
this is “2.1 Channels LM1875 HiFi Audio Power Amplifier ”. only $24
- Designed with National Semiconductor LM1875 and famous audio operational amplifier NE5532.
- 2 x 6800uF power filter capacitors
- ±1% metal film resistors are used to guarantee the SNR
- 1.6mm high quality double side 2oz PCB
HiFi audio power amplifier designed with NE5532 + LM1875, 2.1 channel, 25W + 25W
this is “2.1 Channels LM1875 HiFi Audio Power Amplifier ”. only $24
2011年11月24日星期四
What is the principle of radio?
Radio is in free space (including air and vacuum) electromagnetic wave propagation, the frequency 300GHz or less (lower frequency than the non-uniform, in a variety of RF specifications book, the common three 3KHz ~ 300GHz, 9KHz ~ 300GHz, 10KHz ~ 300GHz). Radio signal by radio wave propagation techniques.
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