Pull-up and pull-down resistors with buttons and ESP8266 - Day 4 of

[@sukateknologi159]

thank you Sir solved my problem🙏🙏

[@tomasztarnowski4434]

You're welcome, Pandein. I'm glad I helped!

[@ravichudgar]

can we make the timer using the push switch and relay for the digital timer with tm1636 ?

[@tomasztarnowski4434]

Good idea Ravi, I'll add it to my todo list.

[@YigalBZ]

VIN is 5V, not 3.3V as you said.

[@tomasztarnowski4434]

You're Yigal, sorry for the mistake!

[@phathuynh2197]

good job

[@tomasztarnowski4434]

Thanks

[@yardennaveh2441]

You should use a resistor on the LED line.

[@tomasztarnowski4434]

hey Yarden, the diode has a forward voltage of 4V so there's no need for the resistor. Check my reply to the comment from this video: kzbin.info/www/bejne/ZoPXqJeHj7eng9E My fault that I forgot to add diode datasheet info to the description of the video, gonna do it now ;)

[@MrNams]

Hi, I have configured pin D1 and D2 as input to detect 3.3voltage connected to these Pins, So my expectation is, when i read pin it should return HIGH if and only if wire connected to Pin is 3.3v, but it remain either low or high. How to add external PULL_DOWN to these pins, i tried 10k and 4.7k but did not help.@@tomasztarnowski4434

[@xSparkles]

can resistor be installed in nodemcu expansion board?

[@matousbecvar9925]

USB and VIN is +5V not +3,3V

[@tomasztarnowski4434]

hey Matouš, you are right VIN is +5V sorry for the mistake