Rounding out the build is a “Leonardo Tiny” ATmega32U4 board, a DS3221 real-time clock (RTC), a couple of pushbuttons, and a light dependent resistor (LDR) used to dim the display when the ...

He teamed up with a clockmaker called John Kay and by the late 1760's they had a workable machine that could spin four strands of cotton yarn at the same time. Arkwright paid for a patent in 1769 ...