Experience and certifications

Electronics design using Altium Designer - 10 years of experience

- mixed signal multilayer PCB design (10-layers)
- creating custom components and footprints
- creating custom PCB stack-ups
- PCB design for bare-die chips requiring wire-bonding
- PCB trace length matching, impedance matching, FPGA package delay matching
- exporting manufacturing files and documentation
- creating custom silkscreen and importing logos
- creating design rules, bill of materials and assembly instructions
- using teardrops in fine pitch designs

PCB assembly and debugging - 10 years of experience

- 3 years of teaching students in University of Tartu
- Soldering advanced fine pitch components by hand (0201, QFN, LGA, BGA)
- Reflow soldering
- PCB debugging using:
  - multimeter
  - vector network analyzer
  - time-domain reflectometry
  - oscilloscope
  - digital analyzer
  - electronic load
  - infra-red camera
  - X-ray imaging
- Ordering and managing assembly service for small volume production

Microcontroller programming in C/C++ 5 years of experience

- writing firmware for STM32, MSP430, AVR, nRF52
- interfaces: I2C, SMBus, UART, SPI, USB
- using MCU peripherals: ADC, watchdog, real-time clock, timer, DMA, interrupts
- using structures: interrupt driven circular buffer for UART, SPI using DMA, PID controller
- writing drivers for various integrated circuits, such as real-time clocks, ADCs, memories, temperature sensors, current shunt power monitors and battery management ICs.

Circuit simulation in Micro-Cap 12, TINA-TI and LTSpice

3D modelling using Solidworks - 5 years of experience

- Associate Mechanical Design certificate (C-68KF88GPA3)
- Creating assemblies
- Creating drawings
- Creating models by utilizing:
  - derived sketches
  - patterns
  - configurations
  - reference geometry

3D modelling using Autodesk Fusion 360 and OpenSCAD

Programming in Python - 7 years of experience

- object-oriented programming
- multithreading
- recursion
- spectrum analysis using FFT
- tracking objects and finding shapes with openCV
- interfacing with hardware using pySerial
- plotting with matplotlib
- network programming using TCP/IP sockets
- logging into file and stream
- generating and parsing files (txt, csv, npz)
- efficient large array operations with Numpy
- creating command-line interfaces with argparse
- generating documentation using Sphinx

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