As a developer (prototype / circuit and PCB / firmware / software), I have full experience and extensive knowledge in the development and testing of home automation systems, industrial automation systems, IOT systems, GSM alarms, access protection systems, PBX, mini-DVRs, thermal printers, servo drives, GPS trackers and JPEG -camera.
Microcontrollers and programmable logic:
STM32F091, STM32F103, STM32F401, STM32F446, STM32F767.
AVR, FPSLIC (AVR + FPGA), x51, AVR32 ... Atmega8, ATmega16, ATmega32, Atmega128,
AT89C51ED2 ... AtXmega128A3, AT90USB162,AT94K05AL, AT32UC3A3, AT32UC3A4 ...
PIC16F628, PIC16F877,EPM3064A,SPCA1527A ...
Modules LTE /GSM : SIM300, SIM800, SIM900, M590, SIM7000, BG96.
Camera sensors: GC0308, OV7670, OV2640, OV5640, OV5642.
Programming languages: C/ C ++, Embedded C, Verilog.
Extensive experience with various peripheral devices:
UART, I2C, I2S, SPI, USB, SDIO, DCMI, Ethernet, Bluetooth, Wi-Fi,
GPS, LTE /GSM /GPRS, RS232 /485 ...