4 ms·
I'm sure I've bought laser pointers at Dollarama before (for $1 CAD) and those included batteries: Even if the total BOM is $3, it's still pretty cheap.
by mcpherrinm 12y ago
I'm sure I've bought laser pointers at Dollarama before (for $1 CAD) and those included batteries: Even if the total BOM is $3, it's still pretty cheap.