Jayveon D.United States
I am a senior electrical engineer with 8 years of experience in PCB layout and firmware design for more than 50 products. I have been designing custom PCB layouts and firmware programming by myself as is required for customers and have achieved several market-ready products. My area is as followed: - IoT solution * Pool sensor IoT system with temperature, pH, oxygen level, and flow sensors * Soil sensor IoT system for farm with temperature, pH, humidity sensors * nRF52832(Bluetooth SoC) and magnetic field sensor based magician pen design(for magnetic sensor fusion, I used noise cancellation circuitry) * nRF52832(Bluetooth Soc) + AFE4404(Blood Oxygen level sensor) + ADS8192(ECG sensor chip) based blood pressure monitoring wrist band design and ECG Patch design * CC2640 + MPU9250(9 axis accelerometer + Gyroscope+ magnetic filed) sensor based exercise monitoring device for medical purpose * STM32L + BG96(4G LTE IoT module) with AWS * STM32F407 + DW1000(Decawave UWB module) for IPS(Indoor Positioning System) * STM32+CC3200 based WiFi Doorbell design and implementation(firmware and hardware) * STM32F105 based wearable oximeter+ blood pressure monitoring wristband(firmware and hardware all in Altium Designer) * Fire alarm system based on BG96 NBIOT module with STM32 * SIM868 based GPS tracking device for child monitoring(wearable solution: BLE Nordic NRF52832 SoC) - Biometrics devices and medical product design * Fingerprint attendance device(Already market), AI combined face recognition device stm32F769I chip * ECG based human identification system with DW1000(ADS8292 AFE and STM32F105) * ECG + PPG based blood pressure monitoring module( for wearable smartwatch ) * fNIRS + EEG based brain mapping system
Dainel M.United States
I'm an experienced software and hardware developer who has rich experience in electrical and electronic engineering, software development, and embedded system design and programming. I offer a personal service, putting all our skills at your disposal, to meet your requirements in your timeframe and on your budget. My focus on transparency and communication mean that I deliver the highest level of client satisfaction. My aim is to exceed your expectations with our outstanding and responsive service. I would like to help you to make your idea real and working products.
Trent R.United States
Professional Hardware Prototyping Specialist with over 5 years of experience in RF engineering, IoT solutions, PCB design, and microcontroller firmware programming. I have rich experience in developing many kinds of electronic consumer devices such as embedded systems, IoT devices, bio-medical devices, wearable devices, power supply devices, and automotive control systems. PCB DESIGN + PCB design EDA: Altium Designer, KiCAD, Eagle, Allegro + High speed signal analysis: DDR3, eMMC, length matching, differential pair, ESD, EMI/EMC compatibility + 1~16 layers PCB routing and layout design + Rapid Prototyping from several PCB factories like JLCPCB and PCBWIN at high quality + Component selection and BOM optimization for massive production + Assembly, testing, and troubleshooting FIRMWARE PROGRAMMING + IDE: Keil, Segger, IAR, esp-idf, TI Code vision, STM32 CubeMX, Arduino IDE + Microcontrollers: ATmega328, STM32, MSP430, dsPIC, PIC12/18/32 + FPGA: Lattice, Xilinx Spartan, Artix-7, Vertex + Raspberry Pi, ESP32, STM32, ArduinoQuestions and Answers to Upwork Readiness Test Solution 5/5 + Web Cloud: Amazon web service (AWS), Google Home, Alexa, MS Azure + Language: Python, C/C++, Qt Mechanical Design + Solidworks + AutoCAD
Electrical Engineering Hardware prototyping, Arduino, Raspberry Pi, STM32, ARM, FPGA, Raspberry Pi, PCB Design
Armad A.United States
Victor M.United States
Written Communication Skills Client Confidentiality Translation Expert Time Management Skills Knowledge of Legal Terminology and Processes Interpretation Skills
Melissa C.United States
I am an experienced multi-disciplinary designer and art director interested in creating meaningful, concept-driven work for brands, people and products.
Luis P.United States
Hello. I am an independent logo designer and an international branding specialist. Since 2008, I have been leading large-scale projects to create logos and corporate styles. I develop manuals and brand books for new projects, as well as rebranding or restyling existing brands.