In this video I'll be assembling and reviewing the LM358-based soldering kit form Aliexpress/ebay.
It uses the double opamp to generate a square wave that feeds a transistor which in turn powers LEDs.
The one I bought can be found here:
https://www.aliexpress.com/item/Blue-...
Name:
Blue Led 5MM Light LM358 Breathing Lamp Parts Kit Electronics DIY Interesting Product Suite
Music:
On My Way Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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