I finished the ATtiny Sensor based on the drawing. It was really tricky to solder everything because the circuit was so small.

for learning new crafting skill, I learned to crochet. I already knew how to knit but crochet was a very different skill. Not like knitting, the really good thing about the crochet skill is easy to make round shape. I had a hard time making a flat cup coaster. I had to count every line and remember the right number to make a perfect pattern. After practicing, I used to the skill and play around with making different patterns. It’s harder than knitting but much useful for making a pattern such as lace, cover, and blanket.