PWM Pulse Frequency Duty Cycle Adjustable Square Wave Signal Generator Module (WHL #43)
Haven’t reviewed a lot of China gadgets lately, have I? Well, what about a tiny PWM generator…
I remember having the need for some good old TTL PWM signal and being too lazy to program an Arduino for it. I mean it is dead simple and there are examples included, but hooking up some knobs for live modification of the duty cycle and possibly the frequency as well, nah. There has to be a Wan Hung Lo solution to this, and indeed, there is.
This unit was actually purchased via eBay, as Ali wanted significantly more money for it. I’ve checked and now the eBay is the more expensive dealer, as it basically always is these days. […]
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