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556 Timer Circuit design

Provide a schematic design for a 556 dual timer IC base circuit to be triggered by a phototransistor with the result that two simultaneous 5v pulses are generated. The first pulse shall be approximately 50ms in duration and the second shall be approximately 1000ms in duration. The two timer circuits within the 556 IC shall be effectively interlocked such that the first 50ms pulse may not be repeated during the 1000ms pulse regardless of any intervening trigger event. The supply voltage for the system shall be 5v. If practicable, the design shall include the following components: Texas Instruments model TLC556CDR IC OSC TIMER DUAL 2.1MHZ 14-SOIC, datasheet available at:[login to view URL]; OR the Texas Instruments model TLC556IDR IC OSC TIMER DUAL 2.1MHZ 14-SOIC, same data sheet as above. The design shall also be based upon the model SFH 3310 570nm Phototransistor by OSRAM Opto Semiconductors Inc., datasheet available at: [login to view URL]

This is one small part of a larger product design and there is the potential for ongoing work if we find someone who is the rght fit

We need someone with significant real world experience with the 555/556

Kĩ năng: Điện tử, PCB Layout, Kĩ thuật điện, Thiết kế vi mạch, Vi điều khiển

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Về Bên Thuê:
( 1 Nhận xét ) Clearwater, United States

ID dự án: #28410416

Được trao cho:

(29 Đánh Giá)
6.4

32 freelancer chào giá trung bình$408 cho công việc này

sagradoamicus

Hi I am experienced electronics engineer with more than 14 years of experience. I have read the details and have designed circuit with 555/556 timers before. Please get in touch to discuss it further Regards

$250 USD trong 5 ngày
(265 Nhận xét)
8.0
ahmedmohamed85

Dear sir I have more than 10 years experience in electronic and embedded systems design, please message me so that we can discuss the design details Best Regards

$500 USD trong 7 ngày
(273 Nhận xét)
7.5
(62 Nhận xét)
7.1
seshupower

Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent welding power supplies design, Plasma ARC power supplies, high f Thêm

$500 USD trong 10 ngày
(61 Nhận xét)
6.8
(29 Nhận xét)
6.4
avigupta0061

Best Circuit Design Expert at your doorstep! Dear Client, WE have real experience with 555 Timer IC and could even build an amplifier circuit for Photodiode detection. We couldn’t stop ourselves from bidding after goi Thêm

$750 USD trong 2 ngày
(16 Nhận xét)
6.0
bijan01in

Hi I am interested to your project. I am familiar with electronics, microcontroller as well as PCB design by Eagle. Thanks.

$250 USD trong 3 ngày
(95 Nhận xét)
5.9
Andrii0125

Hi. I have good experience in 555 timer chip circuit design and simulation. I have read your project description carefully, so I am very confident in your project. I will finish your project in time perfectly. Please l Thêm

$350 USD trong 3 ngày
(21 Nhận xét)
5.5
ircrashed

Hello I have got your job posting “556 Timer Circuit design” and I am very much interested to work in your project. I am a circuit designer and have more than 5 years experience of working with the Analog/Digital Thêm

$400 USD trong 7 ngày
(46 Nhận xét)
5.7
nikitamorozzz

Hello, Dear. I am an electronic engineer and PCB designer. I have read your requirement. I have enough experience in designing digital circuits. I can deliver you high quality design. I hope to help you. Thank you.

$500 USD trong 7 ngày
(16 Nhận xét)
4.6
maheswar17031

Dear Employer, I am an Electronics Engineer, Programmer, PCB designer, Circuit designer and an expert in Raspberry pi programming. I can do this project. I completed almost 85 projects till now. I am an expert in circ Thêm

$250 USD trong 1 ngày
(26 Nhận xét)
4.7
zhonghaidi4

Dear, client I checked your description, and I'm sure I can finish this project successfully. I have 20 years experience working as an electrical software engineer. - schematic & PCB design - prototype boards - firmw Thêm

$600 USD trong 5 ngày
(7 Nhận xét)
4.8
SMBelectronics

Dear Client I am egineering graduate from India with more 4 years of experience as a Hardware development engineer, I can design you the timing circuit using 556 timer ICs from Texas instruments. Please have a look at Thêm

$500 USD trong 1 ngày
(21 Nhận xét)
5.0
mmicronta

Hi, I have done something like this for RC model aircraft glow plug and input throttle pulse control interlocking. In other words, when the glow plug is turned on (one pulse), the throttle (another pulse in) can no lo Thêm

$500 USD trong 7 ngày
(20 Nhận xét)
5.0
AndreySer

Hello, i think i can make scheme and simulation , here shown ltspice for ~1 sec. impulses [login to view URL] . You should to specify acceptable delay after signal will come from the photodiode a Thêm

$250 USD trong 7 ngày
(8 Nhận xét)
4.0
macroenergy

Thanks for Freelancer which gives chance to meet you. I hope you are good. I have read your description carefully and understand everything. I have 3 year experience on 555 timer and know all principles of it. I have 2 Thêm

$250 USD trong 5 ngày
(8 Nhận xét)
4.1
soltracker

An easy proect to be done, U will get the best work done accompanied with brotherhood........................

$250 USD trong 7 ngày
(28 Nhận xét)
4.1
(1 Nhận xét)
3.4
Irland

Hello I am an electronic engineer and I have developed the 555/556 oscillator circuit. For this project, at first, I will simulate the performance of my circuit using multisim or Proteus and then I will provide the sch Thêm

$500 USD trong 5 ngày
(2 Nhận xét)
3.3
hamzazayyad

Hello I have more than 15 years of experience in the embedded systems design and pcb design and electronics systems design So let's discuss your project in chat

$350 USD trong 3 ngày
(7 Nhận xét)
2.6