Orel Fichman:~# categories/electronics/

Electronics

Jan 24, 2026

MicroPython vs. The Cloud: Controlling My Smart AC with an ESP32-C3 SuperMini

How I reverse engineered the Electra AC app API using Genymotion and HTTP Toolkit, then built a web interface running on an ESP32-C3 SuperMini to control my AC from anywhere.

Jun 23, 2022

Jira issue printer? Sure, why not

Building a thermal receipt printer that prints Jira issues using Go, ESC/POS commands, webhooks, and SSH tunneling through an Azure Ubuntu server.

Feb 22, 2020

How I Made a Simple Arduino Game

A weekend project building a space invaders-style game on an Arduino with an 8x8 LED matrix, covering player movement, enemy spawning, and game logic in C++.