spool weight bar (arduino based - code included)
cults3d
a spool holder bar that stores a weight bar inside (arduino based) shows live display of remaining material in weight or length, metric or imperial. auto reduces the spool's weight, stores 6 common spool brands. uses arduino nano, hx711 module + 5kg bar, simple button and a 0.91" oled screen. very cheap on budget, less than 10$. https://www.aliexpress.com/item/4000579100527.html https://www.aliexpress.com/item/32860114708.html https://www.aliexpress.com/item/32777216785.html https://www.aliexpress.com/item/32834276752.html
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