inexpensive but good laptops - Gadget Link
I don't want this post to become an advertisement for a specific brand or distributor, but I would like to share some information on a very good deal for a soldering station. I have used this station and it's pretty good quality and nice features for its low price. Even replacement pencil...
Understanding the Context
Sadly, the days of inexpensive PCBs from China are over for US citizens – you all know why so we need not discuss that. The prices from China still beat the prices from US sources in most cases, but even then, there is uncertainty in what the real cost may be with the fluctuating rule changes... Here's the first of two simple PWM control circuit using inexpensive readily-available components. The circuit component values shown are for a 12V supply but could be altered for other supply voltages less than 15V.
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Key Insights
Most of the work is done by...