Best-effort NF-UNIVERSAL ALARM schematic recreation from image, with MCP73831 Li-ion charging, dual 555 timers, transistor switching, LEDs, switches, and flagged uncertainties.

Best-effort NF-UNIVERSAL ALARM schematic recreation from image, with MCP73831 Li-ion charging, dual 555 timers, transistor switching, LEDs, switches, and flagged uncertainties.

Arduino Nano ESP32 industrial carrier board for the Ascent Condensation Intelligence Monitor with environmental, PT1000, condensation, RTC, SD, LiDAR, LTE expansion, relay, buzzer, and protected field interfaces.

64-position 1206 green LED array using Digi-Key-sourced in-stock SMD LEDs.