Wednesday, June 12, 2013
Giant LED Screen Traffic Road
"Urban Future" digital road model was jointly created by the well-known Danish construction companies and Audi in the Miami Design Exhibition 2011, the future of urban transportation construction for our new ideas. The show is a huge 185 m2 LED screen, built-in 3D camera tracking pedestrian movement traces and related data to the processor and the formation of a series of artistic images and vehicles on the screen, and after treatment travel path, thereby helping to create a pedestrian and unmanned vehicles to share a harmonious space.
The venture emanated from BIG’s succeeding offer for Mercedes and BIG Illustrate the City Street of the Upcoming which they named (Driver)Less is More, a perform on their comedian YES is More that was launched around the same time. Looking at the renderings you would not be held responsible for considering it was some type of downtown great celebration. The offer has roads included with LED lighting which monitor the actions of everything and set goals to best switch visitors and people on the streets through the place. The idea is to get more visitors circulation while publishing bulk of area for other uses.
The offer came to life amazingly easily as a 190 rectangle gauge set co-developed with Kollision + Schmidhuber & Associate. The pavilion lighting up where individuals are status or going for walks with LED blobs. Where more individuals collect, an lighted reasoning seems to be below them. The pavilion uses 3D cams to recognize people and things and nourishes that information into a pc which then guides driverless energy source through the roads. As individuals switch across the vehicles, their direction changes and is indicated by the online arrows. The pavilion also displays off the Mercedes A2 electrical idea car which is about the same dimension as a Small or Fiat 500.
UM3561 based 4 sound effect generator circuit schematic with explanation
This is a really simple sound effect generator based single sound generator chip UM3561. The UM3561 will generate four kinds of sound effects. The basic operation is that the UM3561 will generate the sound signal, then the signal delivered to 2N3706 (as speaker driver) to be amplified so you can hear the sound from a speaker.
Each switch position will generate the follofing sound effect:
- position 1 –> Police Siren
- position 2 –> Fire Engine Siren
- position 3 –> Ambulance Siren
- position 4 –> Machine Gun
Download the UM3561 datasheet for sound effect generator circuit reference:
» Download Link
Car Horn circuit schematic with explanation
The following diagram is the schematic diagram fo Car Horn, you may try this circuit for your car modification… 
Components List:
| R1 = 68K R2 = 2K2 R3 = 56K R4 = 3K3 R5,R6 = 4K7 R7 = 10K Pot/trimpot | C1,C2 = 22nF C3,C5 = 100nF C4 = 1nF C6 = 220µF/25V IC1,IC2 = 7555 or TS555CN CMOS Timer ICs IC3 = TDA7052 SPKR = 8 Ohm |
Car Horn Circuit Description:
This car horn circuit reproduces the sound of contemporary vehicle horns. It had been mainly created for models and toys but, applying a high output energy audio amplifier IC, it could be implemented as well in further complicated projects.
Circuit operation
To receive a realistic automobile horn sound, two different tones mixed collectively are essential and the interval they’ll type ought to be a so known as minor third (in musical terms). This can be implemented by two 7555 CMos Timer ICs wired as astable multivibrators and generating a square wave of about 440Hz and 523Hz respectively. These frequencies ought to be quite precise, so the uncommon values necessary for your timing resistors are obtained by wiring two common worth resistors in series.
The square wave frequencies produced by IC1 (440Hz) and IC2 (523Hz) are mixed via R5 and R6 and shaped by C3, C4 and R7 in order to obtain a far more realistic tone. The resulting composite audio signal is ultimately sent for the audio power amplifier IC3 which, in turn, drives the loudspeaker. R7 needs to be adjusted to acquire a satisfactory output level.
Car Horn Circuit Notes:
- The loudspeaker may be of any form and diameter. Certainly it need to withstand a energy of at the least 1 Watt if the TDA7052 Audio power amplifier IC is chosen.
- The TDA7052 IC was used since it permits a minimum parts count and very excellent functionality. Wanting to make use of a distinct audio power amplifier IC, you are able to pick the much less effective but straightforward to find LM386 (see the Cuckoo-song Generator project).
- In any case, try a great sized device, as a way to receive finest outcomes.
- Needing a a lot more effective amplifier chip, it is possible to use the TDA2003 10W Car Radio Audio Amplifier IC or the TDA1516BQ 24W BTL Vehicle Radio Power Amplifier IC .
Source: RedCircuits
10 Amp 13 8 Volt Power Supply Circuit
10 Amp 13.8 Volt Power Supply Parts List :
R1 1.5K ¼ Watt Resistor (optional, tie pins 6 & 5 of IC1 together if not used.)
R2,R3 0.1 Ohm 10 Watt Resistor (Tech America 900-1002)
R4 270 Ohm ¼ Watt Resistor
R5 680 Ohm ¼ Watt Resistor
R6,R7 0.15 Ohm 10 Watt Resistor (Tech America 900-1006)
R8 2.7K ¼ Watt Resistor
R9 1K Trimmer Potentiometer (RS271-280)
R10 3.3K ¼ Watt Resistor
C1,C2,C3,C4 4700 Microfarad Electrolytic Capacitor 35 Volt (observe polarity)
C5 100 Picofarad Ceramic Disk Capacitor
C6 1000 Microfarad Electrolytic Capacitor 25 Volt (observe polarity)
IC1 LM723 (RS276-1740) Voltage Regulator IC. Socket is recommended.
Q1 TIP3055T (RS276-2020) NPN Transistor (TO-220 Heat Sink Required)
Q2,Q3 2N3055 (RS276-2041) NPN Transistor (Large TO-3 Heat Sink Required)
S1 Any SPST Toggle Switch
F1 3 Amp Fast Blow Fuse
D1-D4 Full Wave Bridge Rectifier (RS276-1185)
T1 18 Volt, 10 Amp Transformer Hammond #165S18 (Digi-Key HM538-ND)
10 Amp 13.8 Volt Power Supply Circuit
Wednesday, June 5, 2013
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Tuesday, June 4, 2013
Socket Wiring Diagram
Telephone Wiring Full Screenshot Telephone Wiring Demo.
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Car Audio Parallel Speaker Wiring Diagram.
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