2012/09/232014/11/20 xiaolaba

“最簡單" 的 ESR meter

2010/12/252012/03/25 xiaolaba

White Westinghouse 型號是 WT-F2192K, 電視機 CRT TV, REMOTE CONTROL RC-SB2 modification

2010/10/272012/09/23 xiaolaba

用 NE555 DIY ESR meter