Seon Rozenblum
Electronics Design & Manufacturing, Maker & Youtuber at Unexpected Maker
Melbourne, Victoria, Australia
Summary
🤩
Rockstar🎓
Top SchoolSeon Rozenblum is an electronics design and manufacturing engineer, maker, and YouTuber based in Melbourne with eight years of professional hardware and firmware experience and a decade-plus background in independent game development. He designs, builds, documents, and sells open-source ESP32/Arduino-based hardware while contributing low-level board support and bootloader integrations to major projects like Arduino-ESP32, MicroPython, CircuitPython and Adafruit's TinyUF2. Known as the Unexpected Maker online, he bridges hardware and software—working in C/C++ and Python for microcontrollers—while also having published over 26 Unity games since 2006. His work often involves adapting core runtimes to new boards (including TinyPICO, S3-series and UM Feather variants), reflecting a practical expertise in pin mappings, peripheral support and non-destructive UF2 bootloading.
8 years of coding experience
16 years of employment as a software developer
McKinnon Secondary Colledge
Github Skills (37)
bootloader10
bsp10
c-language10
develop10
system-configuration10
py10
python10
hardware-interface10
firmware10
server-configuration10
spi10
c1110
microcontroller10
integrations10
hardware10
Programming languages (11)
Github contributions (5)
adafruit/tinyuf2
Oct 2020 - Jan 2022
UF2 bootloader based on TinyUSB for embedded devices such as ESP32S2, STM32F4 and iMX RT10xx
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:6 reviews, 12 commits, 13 PRs in 1 year 3 months
Contributions summary:Seon primarily contributed to the `adafruit/tinyuf2` repository by modifying board-specific configurations and implementing support for new hardware. They addressed pin configurations for LED and APA102 LED strips, and added support for Unexpected Maker FeatherS2 Neo, TinyS3, FeatherS3 and ProS3 boards. They also introduced features related to the TinyUSB UF2 bootloader for various ESP32S2 and ESP32S3-based boards.
bootloaderembeddedstm32f4tinyusbuf2-bootloader
espressif/arduino-esp32
Jul 2019 - May 2022
Arduino core for the ESP32 family of SoCs
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:1 review, 10 commits, 20 PRs in 2 years 10 months
Contributions summary:Seon primarily contributes to the Arduino core for the ESP32, focusing on adding support for various ESP32-based boards. Their work involves defining pin mappings and board configurations within the `pins_arduino.h` files, incorporating new boards such as the TinyPICO, TinyS2, FeatherS2 Neo, UM RMP, NanoS3, TinyC6, BLING!, FeatherS3 Neo, and OMGS3. Additionally, the user integrates non-destructive TinyUF2 support for UM ESP32-S3 boards.
arduinoesp32esp-idf
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