Ok I will thanks for yours time and advices

mega-20180826

yes i bought 2 from aliexpress and same issue with second sensor checked on raspberry with 3.3v pin and both working

ok i understand your point but its working when i upload a simple sketch from arduino ide. I using espeasy because its excellent for beginner and very simple .

Ds18B20 connected to 3.3v pin on nodemcu so it's ok

from phone charger 5v 2A

Hi I have problem with nodemcu v3 and ds18b20 with 4.7 resistor on esp easy mega. Esp not seeing device address but when i load sketch from arduino ide everything working fine. Ds18b20 working on raspberry address is visible so sensor is ok. I changed resistor to 2.7 same issue, 1.7 same issue not p...