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Displaying (1 - 4) of 4 results

PSTN _ PBX Line Audio to Speaker

pb1273361275

Fixed Price | Budget - ₹ 25000.00 - ₹ 50000.00 | Dignity Level : L1


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(0 reviews)

Engineering & Science

Electronic Engineering

Includes : Circuit design with component selection + preparation proto type circuit on breadboard with functional validation Excludes : Component cost Phase : 1 Require conversion circuit to be design of PSTN OR EPABX line audio to PA amplifier with auto pick up - Auto cut off + Chime tone at starting and ending of announcement. Attached basis circuit design of tele line to speaker _ mic. Phase : 2 Multi Tele line (+ Local Paging Station) to multi Speaker line announcement with log ...

Posted on Posted on : 22 Sep, 2023  
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Need someone to add Bluetooth module and RGB to existing circuit

ha7927504936

Hourly Rate | Budget - ₹ 150.00 - ₹ 450.00 | Dignity Level : L1


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(0 reviews)

Engineering & Science

Electronic Engineering

Hello, I have a Keyboard PCB Layout. I need someone who can add a Bluetooth Module to it. The Module is BL653. Along with it RGB LEDs are to be added for every key/button on the keyboard. I don't need the Layout only circuit diagram is required. The schematic file will be provided. Freelancer should be able to do the above changes in KiCad. Timeline for this would be as soon as possible.

Posted on Posted on : 29 Oct, 2021  
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need an electronic engineer to develop an sensor

aj7565893106

Hourly Rate | Budget - ₹ 150.00 - ₹ 450.00 | Dignity Level : L1


blank blank blank blank blank

(0 reviews)

Engineering & Science

Electronic Engineering

Hi sir , I am Aman Joshi from Surat. I am currently working on a project for which I need an sensor which can detect the level of water in the bottle or the distance of water from the bottle cap without using Ultrasonic as waterproofing it is a tedious task and its generally big in size so i need a sensor which I prefer it works using laser or IR to detect the distance of water from the cap where the sensor is supposed to be mounted and I need to sensors price to be very low between 50-70 rupee ...

Posted on Posted on : 31 Aug, 2021  
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ESP8266 based home automation circuit and PCB design

ak7535469238

Fixed Price | Budget - ₹ 5000.00 - ₹ 10000.00 | Dignity Level : L2


blank blank blank blank blank

(0 reviews)

Engineering & Science

Electronic Engineering

Circuit design for ESP8266 based home automation solution General specification 1. Works with the manual switch as well as through relay. 2. When the manual switch is on still the appliance can be turned off by automation vice versa. 3. Some fail-safe mechanisms, if hardware fails still it continues operating normally. 4. OverCurrent, Over-voltage, etc. protection. 5. On-Board switch mode Power supply included with input AC voltage 230-110V 6. The system should be small and compact as ...

Posted on Posted on : 25 Aug, 2021  
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