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Michael L.
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Michael L.

Firmware developer

Wide range of experience in firmware development for different embedded systems and MCUs: - STM32 series F0, F1, F4, G0: digital & analog environmental sensors, SD card, bootloaders, communication with GSM modules; - ESP32: LCD, touch controller, BLE hub for monitoring wireless sensors with proprietary protocol, customized websocket client, driver for industrial vent actuator controlled by WIFI; - CC2541: customized BLE environmental sensor with proprietary backend protocol. - NRF52: smart lock, communication with external sensors. Computer vision & video recognition: - tracking objects using color pattern detection; - finding parameters of electrical SMD components (as part of customer's concept). Additional knowledge: - protocols: SPI, I2C, USART, RS485; - Bluetooth low energy (BLE); - OpenCV.

🇺🇦Kyiv, Ukraine$20/hr100% JSS5.00 (11)Since Dec 2017

Earnings and projects

MRR
$1.1k

Last 6 months ÷ 6

World#43,741 / 412k
🇺🇦Country#1,987 / 14.3k
Revenue, last 30 days
$1.4k

Last 6 months: $6.7k

World#31,940 / 412k
🇺🇦Country#1,464 / 14.3k
Total earnings
$71k

Billed in all: $72k

World#55,831 / 412k
🇺🇦Country#3,481 / 14.3k
Per project
$5.1k

$6.7k in the last 6 months

World#34,291 / 412k
🇺🇦Country#2,075 / 14.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,095 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
14
71% fixed29% hourly
World#168,285 / 412k
🇺🇦Country#6,932 / 14.3k

Earnings, last 30 days

$71.7k+$1.4k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$70k$71k$72kOct 8Oct 23Nov 7

Skill rankings: Top 9% in C

Ranked by MRR among everyone on Upwork with the skill.

  1. #14Core Bluetooth88 freelancers · 🇺🇦 #3Top 16%
  2. #30WiFi168 freelancers · 🇺🇦 #3Top 18%
  3. #39nRF52190 freelancers · 🇺🇦 #2Top 21%
  4. #51Bluetooth244 freelancers · 🇺🇦 #8Top 21%
  5. #57Bluetooth LE293 freelancers · 🇺🇦 #5Top 19%
  6. #70Firmware Programming418 freelancers · 🇺🇦 #6Top 17%
  7. #78Microcontroller Programming535 freelancers · 🇺🇦 #6Top 15%
  8. #86STM32545 freelancers · 🇺🇦 #6Top 16%