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- 9V -> Arduino -> VIN -> NodeMCU 5V = dead NodeMCU.Majenko– Majenko2018-02-04 15:54:46 +00:00Commented Feb 4, 2018 at 15:54
- No. the NodeMCU works on USB power still. Its not dead.bukke hari prasad– bukke hari prasad2018-02-04 15:56:15 +00:00Commented Feb 4, 2018 at 15:56
- Then you're lucky that a 9V battery is one of the weakest batteries around, otherwise it would have killed the NodeMCU. It's the current you need to consider. The voltage is 5V and must always be 5V. If it seems "too weak", increasing the voltage is a very very bad idea.Majenko– Majenko2018-02-04 15:57:21 +00:00Commented Feb 4, 2018 at 15:57
- The 5v power supply is 1A. So with that too, the NodeMCU doesnt work. Am I missing something here? Please help me.bukke hari prasad– bukke hari prasad2018-02-04 16:00:27 +00:00Commented Feb 4, 2018 at 16:00
- Did you connect the 5v to the Arduino barrel jack or the USB?Majenko– Majenko2018-02-04 16:02:55 +00:00Commented Feb 4, 2018 at 16:02
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