January 2008

Symmetrical Single Source Supply Circuit

Sometimes this type of power converter circuits is getting a much needed low-profile single-supply circuitry divides symmetrically fed through the circuit can run. LM741 op-amp voltage follower 741 is used..

Billiards Counters 0-99 Digital Counter Circuit

Billiards Counter Circuit Even if a counter circuit project is not implemented with the application circuit and detailed information, the information is very valuable. Thanks to the contributors BILLIARD COUNTER..

LM3886 TDA7318 Digital Amplifier AT90S8535

AT90S8535, TDA7318 and LM3886 have been realized with digital amp system LED Indicator-signal input selection can be made, unfortunately explanations could not solve in a language 🙂 but ATMEL microcontroller..

RMS 50W Hi-Fi Amplifier Circuit

2 for two different transistor pcb printed circuit crafted case you can use the appropriate Transistor 2N3055 and MJ2955 Used in metal sheath version TIP3055 and the plastic-type metal-sheathed version..

145W Balanced Darlington Transistor Amplifier TIP142 TIP147

Darlington Amplifier Used in the output stage power transistors TIP142 and TIP147 4 can be found in all parts 8Ω 145W 4Ω speaker with market power can give 275W two-channel..

ATmega8 AT90S4433 Wireless RF Temperature Transmitter

And a beautiful project with ATmega8 AT90S4433 your computer from a remote location with the location’s wireless RF system temperature data come Mailbox temperature measured in the test program with..

Professional Universal Programmers Circuits

Simple in professional as well as the need to give the programmer 🙂 There are a few apps I know a lot of programs are integrated FLASH EPROM, EEPROM 93Cxx..

TDA2050 32W amp (LM1875 TDA2030A pcb compatible)

TDA2050 is used in the amplifier circuit, but if you want, you can use LM1875 or TDA2030 on the same pcb, the leg connections of these integrateds have the same..

PIC16F870 LMX2306 PLL FM Transmitter Circuit

FM PLL transmitter circuit 12V supply 500mW has the power circuit PIC16F870 and LMX2306 integrated based on the simple circuit of a single coil are killers though PLL (phase-locked loop-Phase-locked..

ATMEGA162 LCD Oscilloscope Circuit

A very nice project cost is a bit high in our country, even hard to find parts Atmel AVR microcontroller series dealing with this type of project is ideal for..