TDA2030 + transistors BD908/BD907 – 18W HI-FI audio amplifier
TDA2030 + power transistors (TIP41, TIP42 or 2SC1061, 2SA761 or BD908, BD907 or BD911, BD912 or TIP31, TIP32) for an audio amplifier up to 40 … Read more
Circuit power audio amplifier with TDA7377 2.1
Complete circuit power amplifier 2.1, 3 channel with TDa7377, include in the layout, power supply, bass filter as well as the full PCB layout. Project … Read more
FM transmitter for smartphone MP3 Player 2N2218 LM741
Evolution FM transmitter with 2n2218 with audio amplification step using LM741 op amp with audio input for MP3, MP4, mobile, computer and other audio sources, … Read more
Circuit regulated Linear power supply with LM317
Normally begin to learn about electronics power supply from the battery, for example, 9 volts, 1.5 volts, 6 volts etc. But there are disadvantage that … Read more
Usbpicprog – Free open source USB Microchip PIC programmer
Usbpicprog is an USB in circuit programmer for Microchip PIC processors family PIC10F, PIC12F, PIC16F, PIC18F, PIC24F, PIC32F and I2C Eeprom 24xx. The hardware is … Read more
Circuit adjustable bass filter from 50 Hz to 150 Hz NE5532
This is a bass filter, using the OpAmp Ne5532 or another of your choice. The circuit is simple to set up and already has symmetrical … Read more
Stereo Power audio amplifier with TDA7297 – 2 x 15 Watts
complete stereo amplifier circuit including printed circuit board to power of 2 X 15 Watts. Using minimum of components in the integrated circuit TDa7297 ST … Read more
Circuit LM386 Audio and RF Probe Amplifier – Signal Tracer
The Signal Tracer RF and audio probe using Lm386 integrated circuit is geared towards maintaining preamplifier, power amplifiers and even RF devices. As a probe … Read more
Fake Car Alarm Circuit – 555 led Flash
Simple circuit simulator false alarm for cars or home, based on an integrated circuit timer 555, just to simulate the existence of an alarm in … Read more
Simple Circuit – Stereo audio amplifier with IC LM386
This is an audio amplifier with 2 LM386 integrated circuits. Basically it deals with the use of 2 amplifiers as in another article posted at … Read more
