Tag: simple circuit projects

simple easy electronic circuits hobby applications student projects

3V LEDs run on 1.5V batteries

| 2008/02/09

White Led dc converter circuit for a simple two transistor drive again with no trouble winding transformer coil output filter instead I used the PC power supply when there is such a great resource who is involved. DC to DC converter circuits used in computer power supply coil -5 and -12 volt output filter coil…

Simple 1.2V to 3V 6V DC DC Converter Circuit

| 2008/02/05

Cheapest dc-dc converter circuit 🙂 one our readers dc circuit biasing asked me particularly low voltage for even a project that, but anchorage integrated can not find said it would help me on my e-mail I forwarded to him after the I my head was attached: D it might be simpler, but how ? I…

USB Power Boost Circuit

| 2008/02/03

Designed for high power consumption USB devices though USB Power Injector circuit draws high power devices designed accordingly happens adapter for different projects, but you may need this type of circuit. Computer to the USB port on the main board … 500mA from the 5V output is limited to 100mA (500mA in a new generation…

Symmetrical Single Source Supply Circuit

| 2008/01/24

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 as the circuit with 18 resistance opamp output voltage is taken from the referents by the formation of the symmetrical voltage is converted into 0-end…

Led light by 220V Operation

| 2008/01/13

220 volts AC mains voltage and low current LEDs can operate with a simple circuit CAUTION Be careful is working with high voltage capacitor circuit connections Beware + – If you connect the high voltage polarity may be large explosions before running the insured Power Line circuit, protective goggles. low material cost quite a simple…

Fake Capacitors

| 2008/01/13

I saw with my eyes open or do not go at it: D Integrated say fake fake fake Transistor (Casing, potatoes) Capacitors saw in Counterfeit Capacitor I will not lie clever 🙂 Who would have thought the 6800uF capacitor inside the 2200uF will appear guess china job: D what you’re strange importers cheaper cheaper says…

Tv Remote Jammer Circuit 555

| 2008/01/13

Joking can be used as a fun tool, a simple TV remote control is preventing circuit Integrated circuit made ​​with NE555 Timer. Tv Remote Jammer 10k potentiometer on the circuit to adjust the controls are doing http://www.instructables.com/id/TV-Remote-Jammer!/

100 Watt Amplifier Circuit TDA7294 PCB

| 2008/01/13

TDA7294 integrated amp is pretty popular in a very sound system is being used. Has a very clean sound. The materials used in the circuit with very little a few passive components are easy to install. TDA7294 100V – 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY Very high operating voltage range (±40v) Dmos power stage High…

Led Effect of fun Circuits

| 2008/01/12

Let’s do a bit of fun with visual circuits have a few sample pictures circuit in an electronic circuit Dice button produces a different number in each edition. LEDs made ​​with this type of circuit is always ready attracted attention places that sell kits to do is have some sort of .10 5 from me…