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Displaying (1 - 9) of 9 results
ag1011108742
Fixed Price | Budget - ₹ 10000.00 - ₹ 25000.00 | Dignity Level : L2
(0 reviews)
Design & Development of 3 phase ac (380v) to 12 V DC - 500 Amp ac-dc power converter system/ power supply using high frequency switching power conversion technology. Design using full bridge Phase shifted LLC DC -DC convertor with Synchronous rectification at output . We Will provide details circuit schematic with components no / specifications. Freelancer Needs to design ferrite core magnetic component like smps transformer, inductors , chokes etc. design PCB for project, assembly & t ...
Posted on : 11 Nov, 2024
dt9796018732
Hourly Rate | Budget - ₹ 150.00 - ₹ 450.00 | Dignity Level : L1
(6 reviews)
We are looking for a power electronics expert who has good command on inverter technology, and it is good to have to understand the flow of the passive circuits as well. Our end client is facing an issue with tripping of the induction furnace in the startup sequence. They are getting multiple firing to the thyristor, and due to that, the inverter will be stopped. To generate the firing pulse, a supercapacitor is used, which is input to the firing circuit. Firing circuit is designed using all p ...
dt9796018732
Fixed Price | Budget - ₹ 25000.00 - ₹ 50000.00 | Dignity Level : L1
(6 reviews)
We have an existing PCB that works well functionally and passes certifications as well. However, there are possible field issues we think because of placement of one metering IC - STPM33. attached details under the NDA. If you are interested in quoting and have real experience with EMC/EMI analysis, design reviews and RF front, then only send the proposal. Kindly justify your proposed efforts and cost in your proposal, by no. of hours for each tasks.
dt9796018732
Fixed Price | Budget - ₹ 10000.00 - ₹ 25000.00 | Dignity Level : L1
(6 reviews)
We need to get a design made to increase the dBm of the nRF52833 from 8 dBm to 20 dBm. The board would be really simple: -> Based on nRF52833 and nRF21540 -> Should have one led to show the board is powered -> uFL antenna option -> 5V USB adapter powered We would provide the enclosure. Make it as low-power as possible. Antenna should be optimized to work at 20 dBm and give a distance of up to 100 m in an indoor environment. You would need to do some initial testing before handing ...
dt9796018732
Hourly Rate | Budget - ₹ 850.00 - ₹ 1500.00 | Dignity Level : L1
(6 reviews)
For our client, we are looking for a certification expert to do product design study, understand certification requirements and suggest applicable UL standards. The candidate should be able to do design reviews and suggest design changes - schematics and PCB layout required for the product to be compatible with specific UL standard. The candidate is required to have good contacts with UL, TUV and similar laboratories. 1. Have you recently worked on obtaining a UL or other safety certificat ...
sm8462386175
Hourly Rate | Budget - ₹ 150.00 - ₹ 450.00 | Dignity Level : L1
(0 reviews)
The board is done upto placement. We need somebody who can take up that board and complete the routing as per our requirement
yd8408275194
Fixed Price | Budget - ₹ 5792.74 - ₹ 11585.48 | Dignity Level : L2
(0 reviews)
I have a design in Diptrace, which reauires a slight ok lancement ans routing update. This will not exceed 2 hours of work. an NDA is required before sharing any files
aj7565893106
Hourly Rate | Budget - ₹ 150.00 - ₹ 450.00 | Dignity Level : L1
(0 reviews)
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 ...
ak7535469238
Fixed Price | Budget - ₹ 5000.00 - ₹ 10000.00 | Dignity Level : L2
(0 reviews)
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 ...
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