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Awesome instructable! Trying to get started with ESP8266 modules at the moment, so I'll try it out. Regarding the dual capacitors, they definitely help ensure a cleaner DC output, especially by "filtering" any fluctuations in the supply voltage.
Raspberry Pi Class
Awesome! Love the circuit - its a quick alternative to coil winding. Just one note to those interested in building: the pinout on the second page seems to have one of the inputs to the first gate switched with pin 3, which is labelled as "NC" (not - connected),instead of pin 2....just something to keep in mind.Thanks again for sharing!
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