Derek F.

I am an electronic engineer, having enough experience in IOT device, high speed circuit & PCB design. I am sure i can support you with my skills. Following is my skills and tools  Skillsets - System architecture design (project specification and structuring). - Electrical & electronic diagram, and schematic & PCB design. • RF Antenna/Front end, filter, Microstrip/Micro wave circuit analysis and design. • Ultra-High frequency circuit analysis and design – UHF/HF analog circuit design, High frequency digital circuit design such as DDR3, eMMC, Flash memory, 1Gbps Ethernet circuit design. • Video/Audio streaming circuit • FPGA, DSP, CPLD circuit/PCB design, signal processing • Accelerometer, aspiration, ECG, EEG, Air quality, Doppler sensor….. peripheral circuit and PCB design • Flexible PCB inlay design. • Up to 32 layers PCB design and signal integrity analysis. - Firmware development in assembler or C/C++ for any MCU platform. • UART, I2C, Quad - SPI, USB, CANBus, I2S interface. • FREE RTOS, hal based driver firmware. • Bootloader coding. • EPD(electronic paper display), Touch screen LCD, OLED driver. • BLE Gatt driver and AT commands, HCI • FPGA/ DSP firmware. • ADC/DAC, capacitive sensing. • BLDC motor control firmware. • Drone auto pilot firmware. • ISO7816 EMV chip firmware. • BMS(Battery Management system) firmware - Standardization and protocols • FCC, ISO/IEC 14443, ISO/IEC 18092, ISO 18000 • ISO IEC 7816, ISO/IEC 7815  Platforms and Tools  Over the years I have worked with different embedded systems using following MCUs; - ARM Cortex Mxxxx, STMxxxx, ATSAME70, AT91SAM, TM4C, Apollo MCUs. - AVR 8 & 16bit: ATmega328, ATmega1280, ATmega2560, ATtiny43U, ATtiny85, ATmega32U4 - PIC: PIC16FXX, PIC18FXX, PIC24FXX, PIC32FXX - MSP: MSP430Gxxxx, MSP430Fxxxx, MSP430FRxxx - Raspberry Pi - Arduino series: arduino Uno, Mega, Leonardo, Promini. MKR100 - Standalone RF module such as Nordic series (NRF82532), WiFi(ATSAM25W) , BLE, Zigbee, Xbee (CC3000, CC3100, RN131, RN171, Xbee, Xbee Pro, nRF24L01), SierraChip(Sara, HL, NANA, LARA), EM9304 - IMU, Accelerometer, Air quality sensors. - Ambiq,  Tools - Altium Designer 18, Cadsoft Eagle, KiCad, Mentor PADs, Diptrace, Cadence Allegro, OrCAD, Proteus, SPICE -Ansoft designer, ADS, HFSS, IE3D, uwave. - IAR, MPLAB X, Micro C, uKeil, STM32 workbench. CubeMX, AVR Studio. Arduino IDE, Eclipse, LabVIEW, - Soildworks, Proteus. - C, C++, C#, Delphi. - AWS IOT, AWS amplify. MQTT.