Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.
Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, MCU, small display, and visual status indication, with schematic-first verification.
Compact USB-C 5 V smart film sample controller that generates a selectable 60–80 VAC bipolar output for up to about 1 ft² of PDLC film, with automatic 1 s clear / 1 s frosted cycling and safety-focused high-voltage design.