Category Archive: Electronics Projects

Electronic plans news for electronic hobbyist or engineers. Free electronic schematics (circuits) electronic blog site. Electronic content post and more..

Switch Mode Power Supply SMPS Circuits Archive

| 2008/01/12

Heavy bulky transformers larger than a perfect invention SMPS circuit of us saving electronic power supplies SMPS circuits more heavily on you, like me if you are interested we also have plenty of practice and two SMPS Design My favorite part of the power electronics, SMPS, or simply say I’m dealing with this business for…

Battery Charger Circuits Archive

| 2008/01/12

I guess you can not Charge Battery Battery Charger Circuit will not be a lot (I 500) and Batteries, Batteries Information about Charging voltages from 3v, 7.2v, 9v, 12v, 3.7v NiCd, Li-ion, NiMH, SLA, Solar Car Battery Charger Circuit for Palm PCs, phones, etc.. Charging circuits of various electronic devices, batteries, battery charging, as well…

PC Power Supply Card (installed into the computer)

| 2008/01/12

Simple works you can use in 3 volts … 12 volts for the PC Card Power Supply has two different design. Fitted within the computer because you do not need to use additional boxes LM317 power supply circuit Voltage adjustment circuit 500 can provide power to the LM317 series resistance group is done by connecting…

Remote Extender Circuit

| 2008/01/12

With this circuit, Control devices (tv, vcd, dvd etc.). Different from long distances or from the control room can I will send signals that control circuit (IR Extender) reaches circuit receives signals copies 🙂 and connected to the output of other devices with infrared LED controls Remote Extender Circuit files:

160W IGBT Amplifier Circuit

| 2008/01/12

GT20D201 (p-channel igbt) and GT20D101 (n-channel igbt) are used on the output stage of the amplifier circuit with IGBT transistors. A high quality amplifier circuit is also very stylish in its printed circuit design. Drawings about amp boxing layout plan and chassis are given. IGBT transistor amplifier circuit can deliver 88W with 8 ohm speaker…

Microcontroller Controlled Digital Power Supply Circuits Archive

| 2008/01/12

NXP80C31, PIC16F876, PIC12F629, PIC18F452, PIC16F876, PIC16F870, PIC18F252, HC908QT4 made ​​with integrated power sources in various voltage and power MCU of microcontrollers in power electronics used always been interested 🙂 Unfortunately this type MCU, PIC, ATMEL a controlled power supply did not do it to do Yade get the idea people who want a few examples…

200W 300W 400W 500W Amplifier Circuit

| 2008/01/12

The sound quality is very good, and the high-power amplifier circuit is classic, stable design output transistors TO3 sheath output power is between 200W-500W. With the number of transistors, transformer and a few other component changes, it can provide up to 500W of power. The explanations below belong to the person who designed the circuit.…

Microcontroller GSM Alarm and Control Circuits

| 2008/01/12

Now quite a popular topic with Cell Phone Control with Microchip pic series for those who want to do these types of projects that could give clues will limp a few projects, including projects located in Atmella in 1 Pcb circuit connected pc with AT90S2313 asm hex file and available software Emergency equipment is often…

GSM Cell Phone Detector Circuit

| 2008/01/12

GSM band RF detector circuit for detecting the signals based on the LM358 circuit in an electromagnetic field in the coil when there is a small voltage intentionally induced. Coils connected to the ends of the dipole antenna and RF signal detected from a distance it is arranged for GSM Cell Phone Detector Circuit

350 Watt Studio Amplifier Circuit MJL21193 MJL21194

| 2008/01/12

Quite strong quality studio symmetrical amplifier circuit supply voltage + – 2×70 total of 140 volts dc volts DC Volts high voltage, be careful. Of the amplifier to the power supply 500 Watt 2 × 50-volt transformer see your work output transistors for the 4 × 4 MJL21194 and MJL21193 used prices can be high,…