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高级威客
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Hello, Thanks for taking the time to review my profile! I’m an Electronics Engineer specializing in PCB and Electronics Design. With years of experience in the industry, I’ve built my business as a freelancer around being detail-oriented, punctual, and innovative whenever possible. I believe in providing my clients...Hello, Thanks for taking the time to review my profile! I’m an Electronics Engineer specializing in PCB and Electronics Design. With years of experience in the industry, I’ve built my business as a freelancer around being detail-oriented, punctual, and innovative whenever possible. I believe in providing my clients with the best possible product without breaking the bank. I offer services in many areas, including (but not limited to): ● Embedded Systems: Analog and digital circuitry design and simulation, PCB design, firmware development. ● Analog Electronics Design: Analog frontends, amplifiers, filters, mixers, and general analog circuitry for low-frequency, low-power precision applications. ● Power Electronics: Circuitry design and simulations, high power PCB design, control systems. ● RF design: RF circuitry and PCB design. I offer services for all product development stages: Proof of Concept, Prototyping, Value Analysis and Value Engineering, and Product Release. I’m well-versed in a vast array of software and tools, and believe in always keeping up to date on the most modern and revolutionary techniques. I am proficient in: ● Schematic drawing and PCB design: Altium Designer, KiCAD, EasyEDA, OrCAD and EagleCAD. ● Software simulation: NGSpice, PSpice and LTSpice. ● Firmware development: STMcube (ST Microelectronics), CCS (Texas Instruments), Segger Embedded Studio and MPLABX (Microchip and Atmel). If you’re interested in working with me, I’m available via Freelancer and will always answer your questions or requests in a timely manner. Thank you for your time and have a great day! 收起
雇用 cmsivolella
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I'm a system administrator with over 20 years of experience with Linux. Experienced with embedded environments and have reversed engineered a number of devices to implement new firmware (ie. OpenWRT). My experience and skills: o >15 years administering Linux systems (Debian/Ubuntu/Mint). o >15 years...I'm a system administrator with over 20 years of experience with Linux. Experienced with embedded environments and have reversed engineered a number of devices to implement new firmware (ie. OpenWRT). My experience and skills: o >15 years administering Linux systems (Debian/Ubuntu/Mint). o >15 years diagnosing faults with servers, desktops, & network devices. o Hardware Knowledge: - Experienced with various architectures Intel, ARM (32/64), & PowerPC. - Experienced with various bootloaders including BIOS, PXE, UEFI, & U-boot. - Knowledgeable in various bus systems including I2C, I2S, SPI, & UART - Proficient in debugging digital systems using standard tools - Over 20 years through-hole soldering experience (with some SMT as well) o Software Knowledge: - LAMP: Apache HTTP, MySQL & Memcache - Email: Exim, Postfix, Cyrus IMAP, experience with SPF & DKIM - Network Filesystems: iSCSI, NFS & Samba - Networking: IPv4, DNS, DHCP, Firewalls (iptable & nft), OpenLDAP, & OpenVPN - CVS: Git & Subversion o Programming Languages: - Shell scripting, including Linux init & TUIs - C programming, in particular Linux drivers & U-boot - Assembly language on various architectures (including 8051, Z80, 68k, PIC family). - Java, and JavaCard - Scripting languages including PHP, Perl & Python. 收起
雇用 Celliwig
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Professional Embedded System Engineer with 9 years of experience on hardware and embedded software development. PCB Tools : - Altium - KiCAD - Eagle - EasyEDA Microcontroller : - AVR - STM32 - ESP8266 / ESP32 - NXP - Texas Instrument - Arduino - Raspberry / Banana / Orange Pi SBC Wireless Communication - NFC (MF...Professional Embedded System Engineer with 9 years of experience on hardware and embedded software development. PCB Tools : - Altium - KiCAD - Eagle - EasyEDA Microcontroller : - AVR - STM32 - ESP8266 / ESP32 - NXP - Texas Instrument - Arduino - Raspberry / Banana / Orange Pi SBC Wireless Communication - NFC (MF classic, desfire, ultralight, NTAG424, NTAG213, NTAG21x, ICODE) implemented on payment, membership, access control with various NFC reader on desktop such as ACR122U, ACR120U, castle tech QP8000 to android custom reader - RFID short / long range - WiFi, Bluetooth, LoRa Wired Communication - UART, SPI, I2C, CAN, LIN, RS232, RS485 Protocol Data - MODBUS RTU / ASCII - HTTP, MQTT, TCP, UDP 收起
雇用 edi45
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Veteran, expert system developer in multiple domains including web apps, iOS and Android, embedded microprocessor systems, High-Performance Computing with NVidia GPUs (CUDA), graphics, database, and telcommunication systems. Large scale projects from concept to development to marketing no problem. Longtime U.S....Veteran, expert system developer in multiple domains including web apps, iOS and Android, embedded microprocessor systems, High-Performance Computing with NVidia GPUs (CUDA), graphics, database, and telcommunication systems. Large scale projects from concept to development to marketing no problem. Longtime U.S. expat in Japan, so bi-lingual in English & Japanese. I am fairly new to Freelancer (but not at development), so I only have a few Freelancer "references" and "credits" so far. Personal references and examples of various projects, both small and large, will gladly be provided upon request. 收起
雇用 bestwmm
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Highlights - Work in programs: P-Cad; Altium Designer; Cadence Allegro; Genesys; MathCad; MicroCap; AutoCad; TX Line; KOMPAS; Microsoft Office programs; - Full cycle hardware development (computer modeling, prototyping, soldering, tuning and testing); - Development circuits with interfaces RS232, SDIO, I2C, UART, SPI...Highlights - Work in programs: P-Cad; Altium Designer; Cadence Allegro; Genesys; MathCad; MicroCap; AutoCad; TX Line; KOMPAS; Microsoft Office programs; - Full cycle hardware development (computer modeling, prototyping, soldering, tuning and testing); - Development circuits with interfaces RS232, SDIO, I2C, UART, SPI and USB; - Documentation development and maintenance in accordance with the standards; - PCB layout and soldering; - Work with Lab equipment (anechoic chamber, heat chamber, vector signal generator, spectrum analyzer, network analyzer, oscilloscope etc.); - 3D Printing; - Practical experience of the programming in C++ (STM32F1 series microcontrollers) and basic skills of the programming in Assembler; - Self-motivated, stress-resistant, strong independent work and teamwork skills. 收起
雇用 nikolai28
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Dynamic level of understanding. Instant shift of work atmosphere. Enthusiastically take initiative of the work assigned. Always try to complete given task before deadline. Skills are as below. 1. Hands-on Hardware design and Implementation. 3. Hands-on Firmware design and Implementation. 3. PDLC work flows namely...Dynamic level of understanding. Instant shift of work atmosphere. Enthusiastically take initiative of the work assigned. Always try to complete given task before deadline. Skills are as below. 1. Hands-on Hardware design and Implementation. 3. Hands-on Firmware design and Implementation. 3. PDLC work flows namely Waterflow model and Agile Model. 4. Hands-on ARM Cortex M0+, M3, M4 Architecture. 5. NXP, TI, Microchip Controller Hands-on. 6. FPGA Igloo 2, ProAsic3 series (Microchip) Hands-on. 7. UART/USART, SPI, I2C, Ethernet TCP/IP, UDP Wired protocol stack Hands-on. 8. LoRa, Zigbee, FSK, Sub 1 GHz Various Chipsets Hands-on. 9. Site scenario Handling. Various other protocol can be added based on the difficulty. Programming Languages: 1. Embedded C. 2. Python. 收起
雇用 Kalyan9899
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Hello. Nice to meet you. As an electronic engineer, I have been working in PCB design/layout and firmware programming field for 10+ years. Here are some of the experiences that I worked ago. - Schematic and PCB Layout using Altium designer, Cadence, Eagle, and so on. - SolidWorks Enclosure, AutoCad...Hello. Nice to meet you. As an electronic engineer, I have been working in PCB design/layout and firmware programming field for 10+ years. Here are some of the experiences that I worked ago. - Schematic and PCB Layout using Altium designer, Cadence, Eagle, and so on. - SolidWorks Enclosure, AutoCad design - Matlab simulation - Multi Layer, Flexible, High speed PCB design - Exceptional C++/C /C# programming skills. - FPGA design using Verilog/VHDL (Xilinx ISE/XPS/SDK/Vivado, Altera Quartus, iCECube) - ARM, DSP, MCUs, Arduino experience. - Arm cores: ATSAM, STM32, PIC32, A13, FreeScale, MSP, NXP - MPU: Pic16F, Pic18F, Pic33F, Atmega8,16,128,32,8051,8951,8052,80251 - Single board computer: Raspbery pi, Beaglebone, NanoPi - Strong with UART, I2C, SPI, BLE,BT, GSM/GPRS/GPS, xBee, ZigBee. - Especially full experience for BLE HM10, HC05, ESP32, DA14580, nRF52832, 52840, BlueNRG, Once you hire me, expected me to help your business like I 'm growing it as my own. I would love to hear from you. Kindness regards. 收起
雇用 kamilkhalid
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As I am electrical / electronics engineer I have worked during 10+ years. In this during I had fully experience in electrical engineering field and developing the device. Top skill is following: Electronics engineer - Electronic circuit design and simulation, PCB Design - Hardware / Firmware design(Dspic,FPGA,...As I am electrical / electronics engineer I have worked during 10+ years. In this during I had fully experience in electrical engineering field and developing the device. Top skill is following: Electronics engineer - Electronic circuit design and simulation, PCB Design - Hardware / Firmware design(Dspic,FPGA, Ardunio,STM32,Rasberry PI,ESP32, C programming,Python,Java,PyQT5). -Antena design and simulation(CST, Ansys) -DC-DC converter. -High speed communication(RS232,RS485,CAN, GPS, Buletooth) -BMS system Sever, Motor control device. Motor control... Electrical engineer - Designing electrical systems - Lighting & Power - Electrical load calculations and panel schedule - Lightning protection and earthing - Cable sizing - Power distribution & reticulation (schematic & line diagram drawings). I will always respect the customer's needs, accurately understand the customer's intention, and put it into practice. Thank you. 收起
雇用 walter359
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As I am electrical / electronics engineer I have worked during 10+ years. In this during I had fully experience in electrical engineer field and developing the device. Top skill is following: Electronics engineer - Electronic circuit design and simulation, PCB Design - Hardware / Firmware design(Dspic,FPGA,...As I am electrical / electronics engineer I have worked during 10+ years. In this during I had fully experience in electrical engineer field and developing the device. Top skill is following: Electronics engineer - Electronic circuit design and simulation, PCB Design - Hardware / Firmware design(Dspic,FPGA, Ardunio,STM32,Rasberry PI,ESP32, C programming,Python,Java,PyQT5). -Antena design and simulation(CST, Ansys) -DC-DC converter. -High speed communication(RS232,RS485,CAN, GPS, Buletooth) -BMS system Sever, Motor control device. Motor control... Electrical engineer - Designing electrical systems - Lighting & Power - Electrical load calculations and panel schedule - Lightning protection and earthing - Cable sizing - Power distribution & reticulation (schematic & line diagram drawings). I will always respect the customer's needs, accurately understand the customer's intention, and put it into practice. Thank you. 收起
雇用 william173
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The best schematic, PCB, and C programmer you've ever met. 15+ years experience in Schematic & PCB Designing, Prototype, SMT Manufacturing, HDL Programming Language, IoT Systems and much, much more! ✔️Schematic Capture/Circuit design & PCB Layout Design ✔️PCB Prototyping And Assembly ✔️EMI EMC Compliant design ✔️DSP...The best schematic, PCB, and C programmer you've ever met. 15+ years experience in Schematic & PCB Designing, Prototype, SMT Manufacturing, HDL Programming Language, IoT Systems and much, much more! ✔️Schematic Capture/Circuit design & PCB Layout Design ✔️PCB Prototyping And Assembly ✔️EMI EMC Compliant design ✔️DSP Service with FFT, Kalman Filter, Wavelet, etc ✔️Mechanical/Structural engineering(CAD/CAM, Solidworks, AutoCad) ✔️3D Modeling & 3D Designs & 3D Renders. ✔️High Speed Multilayer PCB design - DDR3, HDMI, USB3.0, LVDS, Ethernet Routing - FPGA Processor of ALTERA&XILINX Company - MCIMX6Q5EYM10AC Processor, NXP Company ✔️RF SCH & PCB design - High Power Amplifier - Antenna Design & Manufacturing & Measurement - Filter with Low Loss - Low Noise Amplifier - Mixer ✔️Radar Signal Processing & Prototyping - Short Distance Chip Radar Sensors such as AWR1843 - Long Distance Radar Design and Manufacturing - MTI & MTD Processing - FMCW, MIMO System Architecture - Radar System Dynamic Simulation Via MATLAB Simulink ✔️Firmware Development - ARDUINO, STM32, PIC, AVR, MSP430, FPGA - WiFi, BLE : ESP32, ESP8266, NRF, Zigbee, MGM210P - Raspberry Pi, Orange Pi - Embedded Linux System - GSM/GPRS/GPS: SIM800/SIM900/SIM7000/SIM7600x - SPI, I2C, CAN, TCP/IP, UDP, Websocket, RS485, MQtt, Modbus, Eth/IP - INTERNET OF THINGS With Mobile & Web - All SENSORS APPLICATION - RGB Led Matrix - BLDC Motor Driver and Controllers ✔️Tools - PCB : ALTIUM, EAGLE, KICAD, OrCAD, Cadence, EasyEDA, PADS - RF : CST, ADS, HFSS, HyperLynx, GENESYS - Firmware : Keil, MPLAB, Quartus, Xilinx VIVADO, Xilinx ISE - Simulink MIL & SIL. Method Based Systems ✔️Miscellaneous Experience; - Python, C, Macros & Scripts - CAN / LIN - Li Battery Design - Drones, Multicopters - EV Vehicles & Systems - GPS Logger Systems - Solar Hybrid Power Controllers - VCU - ESC - BMS & Chargers 收起
雇用 walter652
