nemobis, 2 months ago @MarinManuel #JOSS https://joss.theoj.org/ is a very nice journal and appears to publish papers which are about hardware as well (probably you wrote some firmware or client software too?). Otherwise #DOAJ has some suggestions https://doaj.org/search/journals?ref=homepage-box&source=%7B%22query%22%3A%7B%22bool%22%3A%7B%22must%22%3A%5B%7B%22term%22%3A%7B%22index.has_seal.exact%22%3A%22Yes%22%7D%7D%2C%7B%22terms%22%3A%7B%22index.license.exact%22%3A%5B%22CC%20BY%22%5D%7D%7D%2C%7B%22query_string%22%3A%7B%22query%22%3A%22hardware%22%2C%22default_operator%22%3A%22AND%22%2C%22default_field%22%3A%22bibjson.title%22%7D%7D%5D%7D%7D%2C%22track_total_hits%22%3Atrue%7D (only one really: https://openhardware.metajnl.com/ ).
@MarinManuel #JOSS https://joss.theoj.org/ is a very nice journal and appears to publish papers which are about hardware as well (probably you wrote some firmware or client software too?).
Otherwise #DOAJ has some suggestions https://doaj.org/search/journals?ref=homepage-box&source=%7B%22query%22%3A%7B%22bool%22%3A%7B%22must%22%3A%5B%7B%22term%22%3A%7B%22index.has_seal.exact%22%3A%22Yes%22%7D%7D%2C%7B%22terms%22%3A%7B%22index.license.exact%22%3A%5B%22CC%20BY%22%5D%7D%7D%2C%7B%22query_string%22%3A%7B%22query%22%3A%22hardware%22%2C%22default_operator%22%3A%22AND%22%2C%22default_field%22%3A%22bibjson.title%22%7D%7D%5D%7D%7D%2C%22track_total_hits%22%3Atrue%7D (only one really: https://openhardware.metajnl.com/ ).