yes, the first example I know from the top of my head is all the sonoff stuff. They run a popular ESP8266 chip which people reflash. https://duckduckgo.com/?q

yes, the first example I know from the top of my head is all the sonoff stuff. They run a popular ESP8266 chip which people reflash. https://duckduckgo.com/?q=sonoff+reflash&t=canonical&ia=web https://duckduckgo.com/?q=sonoff+reflash&t=canonical&ia=web