Tags 4-layer1 ai1 amazon1 arm641 battery1 blink1 blogging1 busy-pin1 c++1 career2 chatgpt1 checklist1 cjk1 cross-compiling2 debugging7 development1 devlog1 diy5 driver2 dts1 ecalendar1 embedded1 epaper6 esp-idf2 esp328 esp32-s34 fonts1 freetype1 gemini-cli5 github-pages1 google2 google-calendar2 gpio1 hardware7 hardware-conflict2 https1 i2c1 ics2 interviewing1 iot6 jekyll1 jlcpcb2 kernel3 leetcode1 linux3 low-power2 lvgl1 makefile2 matter1 max170481 meta1 modular1 modules1 multimeter1 neopixel1 noogler1 octal-spi1 onboarding1 parsing1 pcb5 pcb-design2 pisugar1 planning2 playground1 power-management5 psram1 python3 raspberry-pi8 risk-management1 rtc1 rtos1 softap1 spi2 system-design1 thermal-pad1 tinyttf2 tp40571 tps630311 translation1 ttf1 v27 v2.12 validation3 w25q1281 wdt1 wifi2 workflow1 ws28121 wsl1