https://blog.slavichek.uk/ Notes, ideas, and photographs by Slava. en Wed, 04 Nov 2026 21:51:13 +0200 https://blog.slavichek.uk/articles/qwen35-2b-vostro-local-llm/ https://blog.slavichek.uk/articles/qwen35-2b-vostro-local-llm/ Sun, 01 Nov 2026 17:19:59 +0200 Updated 4 November: local photo input, free keyless web search, browser-close recovery, verified setup files and measured CPU/RAM results on an 8 GB Vostro. https://blog.slavichek.uk/articles/esp32-c3-two-jk-bms/ https://blog.slavichek.uk/articles/esp32-c3-two-jk-bms-home-assistant-tabs/ Sun, 01 Nov 2026 09:26:06 +0200 Monitor two independent JK-BMS units with one ESP32-C3 using separate Bluetooth connections and browser telemetry. Includes source, setup instructions and hardware verification. https://blog.slavichek.uk/articles/eveus-esp32-without-router/ https://blog.slavichek.uk/articles/eveus-esp32-without-router/ Sun, 27 Sep 2026 23:50:00 +0300 Build a complete ESP32 EVEUS bridge with a private charger Wi-Fi network, MQTT over TLS, and automatic Home Assistant discovery. https://blog.slavichek.uk/articles/esp32-c3-jk-bms-wifi-ble-bridge/ https://blog.slavichek.uk/articles/esp32-c3-jk-bms-wifi-ble-bridge/ Tue, 22 Sep 2026 21:30:00 +0300 Build and configure an ESP32-C3 JK-BMS bridge with first-boot Wi-Fi provisioning, browser-based BLE selection, complete source code, flashing and troubleshooting instructions. https://blog.slavichek.uk/articles/diy-solar-potential-sensor/ https://blog.slavichek.uk/articles/diy-solar-potential-sensor/ Tue, 22 Sep 2026 12:00:00 +0300 Build, calibrate, and connect an ESP32 and INA219 reference-cell sensor that estimates available solar-array power in Home Assistant. https://blog.slavichek.uk/articles/python-interview-questions-2026/ https://blog.slavichek.uk/articles/python-interview-questions-2026/ Tue, 22 Sep 2026 12:00:00 +0300 22 common Python interview questions for 2026, with simple explanations and corrected code examples.