Tag: simple circuit projects

simple easy electronic circuits hobby applications student projects

Regulator 7805 with Fan control

| 2011/11/19

Occasionally some PC power supplies I’ve seen a different fan control circuit usually transistor circuits are used , but in this circuit 7805-5 volt positive regulator IC 1 7v zener 1 x 470 ohm resistor and 3k NTC used logic simple first voltage amplification phenomenon Let me tell you though 78xx , 79xx series and…

Handmade Led Bonsai Tree

| 2011/10/29

The LEDs according to the imagination of the person with a lot of things can get good work süslenebiliyor in this copper wires (coated) with LEDs, beads, using solar power light led bonzayi tree. The leaves of the tree consists of beads of green boncoklardan 1 ultra bright green led hiding between the simple circuit…

Simple Transistor Fan Speed ​​Control Circuit

| 2011/10/29

Fan speed control circuit 4 bc639 transistors are used on the circuit speed can be adjusted with potentiometer 47k. Intel CPU fan circuit used in the circuit tests based on phenolic hole about a new simple circuit for the low cost .. Source: http://www.soloelectronica.net/fan_espeed_control.html

RGB Led Lights Honda Fit

| 2011/09/17

RGB LEDs long ago lighting, including advertising signs animations etc. .. a lot like the application is being used colors can be checked wide range of application, but naturally single-color LEDs according to prices higher .. Honda Fit model, the RGB LED fault applications in the car, a different air 🙂 has added SMD RGB…

10 LED VU Meter Circuit LM3915

| 2011/09/02

In this article made ​​with LM3915 integrated LED vu meter is shown in Figure 10 . VU meter circuit feature , listened to music according to the severity of the LEDs are lit . So vu meter circuit indicates the level of severity of music . Music of the bass, treble and volume regardless of…

Simple Led circuits Led projects

| 2011/08/14

Electronics beginners, those who are keen know usually the first spark Audio (amplifier circuits, etc.) or light (LED effects, etc.) applications people cezbe would personally my başlangıg a friend of mine his amp circuit vision began with 🙂 A plurality of LEDs simple transistor circuit 555, and realized by integrated logic gate. Two-color LED lighting…

Walking LEDs Circuit 555 CD4015

| 2011/07/09

Nowadays, LED effects, animations LEDs, LEDs, etc. walking. In applications such as microchip, atmel, etc.. widely used in microcontrollers CMOS, TTL integrated circuits made ​​with a lot of work still gürüy cost, low error rate and so on. more convenient to use for the particular application NE555 timer integrated circuit oscillator section is driven by…

Voltage Protection Circuit

| 2011/07/04

Potentially hazardous voltage spikes on the power supply in a simple circuit can protect your device. Zener 12v low voltage determines the value that can be assigned. 10k potentiometer can set higher values than the 12v. To reset thyristor tic106 the circuit must disconnect the supply voltage. Protection Circuit Schematic Diagram

Led Effect Circuit Attiny2313 Multi Function

| 2011/06/19

Led effect circuits attract the attention of many people, including me, especially these days there is great interest in led and led circuits, blue, white, led prices are not as expensive as before, 12 leds are used in the led effect circuit, the transition of effects and speed settings are made with buttons, the microcontroller…

20 Led VU Meter Circuit KA2281

| 2011/06/10

KA2281 previously with various vu meter circuit I made , but all mono circuit stereo manufacturer has two channels has been a challenge but in the end a bit of trouble in the scheme worked beautifully 🙂 Original diagram 15, 16 pins between the 50k resistor connected in this way the circuit full does not…