消费类电子威廉希尔官方网站 图
门铃威廉希尔官方网站 图-Birdie Doorbell Ringer:Notes:P1 is of experimental value. Start with 220ohms or so and modify to suit your needs.The transistor is a general purpose kind and is not critical;almost any pnp type will work.
全部0条评论
快来发表一下你的评论吧 !