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Monitor your indoor air quality with an inexpensive CO2 sensor. We look at three candidates to help you find the best solution. ... Three inexpensive CO2 sensors compared ... inexpensive solutions: the Winsen MH-Z19C [1], the ScioSense ENS160 [2], and the Sensirion SCD40 [3]. The latter sensor from brand manufacturers such as Adafruit, Pimoroni, or SparkFun are really expensive

of Brazil for software licenses and hardware that could be manufactured in Brazil. Odoo, an open source POS/ERP system could be run on top of an inexpensive single-board computer (SBC) such as the Caninos

directly to the PCI bus, and a Hailo-8L AI accelerator, which could also be installed on any other computer with an M.2 interface. This entry-level AI chip achieves a performance of 13 TOPS, which is half

://www.linux-magazine.com/Issues/2024/285/Designing-PCBs "KiCad software gets the CERN treatment" by Antonella Del Rosso, February 15, 2015, CERN, Geneva, Switzerland, https://home.cern/news/news/computing/kicad-software-gets-cern-treatment

://en.wikipedia.org/wiki/Photoresist Silkscreen printing: https://en.wikipedia.org/wiki/Screen_printing KiCad: https://home.cern/news/news/computing/kicad-software-gets-cern-treatment FreeCAD: https://www.freecad.org/ KiCad BOM plugin