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PLC & SCADA
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$25 USD/uro
Zastava SINGAPORE
singapore, singapore
$25 USD/uro
Trenutno je 11:34 pop. tukaj
Datum pridružitve maj 22, 2020
0 Priporočila

Ismail V.

@ismailvawda

 5,0 (1 ocena)
1,4
1,4
100%
100%
$25 USD/uro
Zastava SINGAPORE
singapore, singapore
$25 USD/uro
100 %
Opravljeno delo
100 %
V okviru proračuna
100 %
Pravočasno
Ni relevantno
Stopnja ponovnega najema

Electronics Engineer

Hardware -PCB Design (Rigid, Flex, Rigid-Flex) -PCB Schematics and Layouts -Analogue and Digital Electronics Design -IoT& Wireless (BLE, WiFI, sub-1GHz) -Power Supplies -Embedded System Development -Proof of Concept and Prototyping -Reverse and Re-engineering -PCB Manufacturing and Assembly (Trade Partners) -Component Selection, Procurement and Kitting -Fault-finding, Diagnostics and Testing Software -Artificial Intelligence -Facial Recognition -NVIDIA Jetpack -CUDA, cuDNN and TensorRT -OpenCV -Tensorflow -C/C++/Python
Freelancer Electronics Engineers Singapore
Glej vse Electronics Engineers v Singapore

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Prijavite se, da se o podrobnostih pogovorite v klepetu.

Portfelj

6555918
This Project is being rapidly prototyped to validate the functionality of a consumer product used for Health & Wellness. The primary function of the circuit is used for producing hydrogen by immersing the product into water. The secondary functions are to provide: various time modes of operation, wireless charging of the battery, touch-sensing to the User to operate the device and protection from over-voltage and over-current scenarios. A 3-D printed enclosure is used to test the operation and the concentration of Hydrogen produced. A TRUSTLEX Portable Dissolved Hydrogen Meter is used to measure the concentration. Up to 1,100 ppb is achieved. The intention is to use a custom built enclosure based on the 3-D model which has an ingress protection rating of IPX8 which is tested in accordance IEC 60529. In this way, water protection will be offered to electronics and battery and at the same time providing protection to the User against electric shock or possible electrocution.
Hydrogen Water Generator
6555912
The idea of prototyping system is two-fold. Firstly, to demonstrate that this is a working solution that can be rapidly developed and easily deployed. More importantly, it is to show case our end-to-end and prototyping capabilities. The demo illustrates gathering level, temperature and humidity data from an ultrasonic and a 2-in-1 temperature / humidity sensors, respectively, and wirelessly transferring the data collected via Wi-Fi for visually display to a Local or Cloud Server. Any wireless technology (LoraWAN, Sigfox, 6LowPan, Sub-1GHz, Bluetooth/Bluetooth Mesh/BLE, Zigbee, Thread) can be used, but depending on the application’s power consumption and distance constraints. In this demo the MQTT messaging protocol is used to securely and safely (by implementing TLS) send commands to control outputs, read and publish data from sensor nodes. Depending on the wireless technology, the appropriate messaging protocol (such as CoAP) will be implemented. The advantage of implementing,,,
IoT (Wi-Fi)
6555901
Developed facial recognition system using ML and AI to be deployed on a robot. Involved in setting up and configuring NVIDIA GPUs and Edge computing for optimum performance. Able to achieve 99.1% accuracy on facial prediction using the VGG-2 model trained on the ImageNet / LFW dataset employing the Tensorflow framework with Python running on an Ubuntu 16.04 platform. However, the performance and frame rate using live video streaming has drastically reduced. Training of models were implemented using NVIDIA TITAN V. Application was eventually deployed on the NVIDIA computer Jetson TX2 which improved the frame rate from 4 to 10fps and reduced the power to 10W from the previous Intel based computer. Investigated ways and implemented various configurations to optimise performance
Facial Recognition
6555894
Many traditional SMEs are operating their shop-floor on equipment which are more than 20 years old or equipment with high MTTFs. Many electronic equipment are no longer supported; either components are obsolete or more critical, the company who manufactures these equipment no longer are in business. There are few challenges in troubleshooting and repairing legacy equipment: No design documents are available Difficult to test due to thick layer of conformal coating Difficult to troubleshoot because component names and model numbers have worn-out over the years Difficult to source components since they are old and obsolete Troubleshooting the new and old circuit boards are performed by taking signatures on all points of a working PCB and comparing them to ones on the faulty boards. If no working PCB exist, the fault finding process will be undertaken by conventional methods such as probing which is much harder to troubleshoot and more expensive.
Troubleshooting / Legacy PCB Repairs
6555888
The fitness tracker is designed to be a wearable wristband; not a watch. The project entailed the complete circuit and the firmware; not the complete product i.e. band and enclosure. The use case and purpose for the fitness tracker is to monitor the activities for diabetes patience. The primary reason for the Client to develop their own fitness tracker is that they could not access information from the Fitbit, Jawbone and Xiaomi Mi Band wristbands. They have to rely on these company's APIs to retrieve data from their cloud. Data would not arrive timely and be discontinuous. And more over, not be reliable. Data structures and data storage became problematic and burdensome for analysis. Hence, the Client decided to use their own cloud services and develop their own fitness tracker. The hardware is split into 2 PCBs: Mainboard consisting of the BLE SoC, Arm Cortex-M MCU, RF, MEMS 6DoF inertial measurement unit (IMU), DC/DC voltage regulators and battery charger Daughterboard consisting
Wearable
6555879
The Tactile Sensor was designed and fabricated using an FPC PCB solution with piezo-electric fabric which was supplied by the Client. The function of the Tactile Sensor is to measure the contact force (grip pressure measurement) on each finger of a robotic hand to the surface on the object the robot’s hand is holding; hence, the multipoint distribution of the external environment, which helps the robot’s fingers to detect the shape of the object. The FPC PCBs of varying lengths were manufactured in China and assembled, locally.
FPC Tactile Sensor
6555918
This Project is being rapidly prototyped to validate the functionality of a consumer product used for Health & Wellness. The primary function of the circuit is used for producing hydrogen by immersing the product into water. The secondary functions are to provide: various time modes of operation, wireless charging of the battery, touch-sensing to the User to operate the device and protection from over-voltage and over-current scenarios. A 3-D printed enclosure is used to test the operation and the concentration of Hydrogen produced. A TRUSTLEX Portable Dissolved Hydrogen Meter is used to measure the concentration. Up to 1,100 ppb is achieved. The intention is to use a custom built enclosure based on the 3-D model which has an ingress protection rating of IPX8 which is tested in accordance IEC 60529. In this way, water protection will be offered to electronics and battery and at the same time providing protection to the User against electric shock or possible electrocution.
Hydrogen Water Generator
6555912
The idea of prototyping system is two-fold. Firstly, to demonstrate that this is a working solution that can be rapidly developed and easily deployed. More importantly, it is to show case our end-to-end and prototyping capabilities. The demo illustrates gathering level, temperature and humidity data from an ultrasonic and a 2-in-1 temperature / humidity sensors, respectively, and wirelessly transferring the data collected via Wi-Fi for visually display to a Local or Cloud Server. Any wireless technology (LoraWAN, Sigfox, 6LowPan, Sub-1GHz, Bluetooth/Bluetooth Mesh/BLE, Zigbee, Thread) can be used, but depending on the application’s power consumption and distance constraints. In this demo the MQTT messaging protocol is used to securely and safely (by implementing TLS) send commands to control outputs, read and publish data from sensor nodes. Depending on the wireless technology, the appropriate messaging protocol (such as CoAP) will be implemented. The advantage of implementing,,,
IoT (Wi-Fi)
6555901
Developed facial recognition system using ML and AI to be deployed on a robot. Involved in setting up and configuring NVIDIA GPUs and Edge computing for optimum performance. Able to achieve 99.1% accuracy on facial prediction using the VGG-2 model trained on the ImageNet / LFW dataset employing the Tensorflow framework with Python running on an Ubuntu 16.04 platform. However, the performance and frame rate using live video streaming has drastically reduced. Training of models were implemented using NVIDIA TITAN V. Application was eventually deployed on the NVIDIA computer Jetson TX2 which improved the frame rate from 4 to 10fps and reduced the power to 10W from the previous Intel based computer. Investigated ways and implemented various configurations to optimise performance
Facial Recognition
6555894
Many traditional SMEs are operating their shop-floor on equipment which are more than 20 years old or equipment with high MTTFs. Many electronic equipment are no longer supported; either components are obsolete or more critical, the company who manufactures these equipment no longer are in business. There are few challenges in troubleshooting and repairing legacy equipment: No design documents are available Difficult to test due to thick layer of conformal coating Difficult to troubleshoot because component names and model numbers have worn-out over the years Difficult to source components since they are old and obsolete Troubleshooting the new and old circuit boards are performed by taking signatures on all points of a working PCB and comparing them to ones on the faulty boards. If no working PCB exist, the fault finding process will be undertaken by conventional methods such as probing which is much harder to troubleshoot and more expensive.
Troubleshooting / Legacy PCB Repairs
6555888
The fitness tracker is designed to be a wearable wristband; not a watch. The project entailed the complete circuit and the firmware; not the complete product i.e. band and enclosure. The use case and purpose for the fitness tracker is to monitor the activities for diabetes patience. The primary reason for the Client to develop their own fitness tracker is that they could not access information from the Fitbit, Jawbone and Xiaomi Mi Band wristbands. They have to rely on these company's APIs to retrieve data from their cloud. Data would not arrive timely and be discontinuous. And more over, not be reliable. Data structures and data storage became problematic and burdensome for analysis. Hence, the Client decided to use their own cloud services and develop their own fitness tracker. The hardware is split into 2 PCBs: Mainboard consisting of the BLE SoC, Arm Cortex-M MCU, RF, MEMS 6DoF inertial measurement unit (IMU), DC/DC voltage regulators and battery charger Daughterboard consisting
Wearable
6555879
The Tactile Sensor was designed and fabricated using an FPC PCB solution with piezo-electric fabric which was supplied by the Client. The function of the Tactile Sensor is to measure the contact force (grip pressure measurement) on each finger of a robotic hand to the surface on the object the robot’s hand is holding; hence, the multipoint distribution of the external environment, which helps the robot’s fingers to detect the shape of the object. The FPC PCBs of varying lengths were manufactured in China and assembled, locally.
FPC Tactile Sensor

Ocene

Spremembe shranjene
Prikazanih je1 - 1 od 1 ocen
 Filtriraj ocene po:
5,0
$50,00 USD
Quick PCB component re-solder - SINGAPORE ONLY
Ismail is a great EE. He really knows his stuff and was able to provide feedback on the issue that I wasn't even aware of. Ismail went above and beyond to help us figure out what the real issue is and offered his assistance to solve it. Highly recommend Ismail.
Electronics
Microcontroller
Electrical Engineering
PCB Layout
Circuit Design
Avatar uporabnika
Zastava Cody S.
@csoodeen
•
pred 3 leti

Izobrazba

Specialist Diploma in Embedded Systems

Nanyang Technological University, Singapore 2015 - 2016
(1 leto)

BSc Eng (Elec)

University of KwaZulu-Natal, South Africa 1986 - 1990
(4 leta)

Stopite v stik s/z Ismail V. glede vašega dela

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