Stack Overflow
Stack Overflow

Questions tagged [nodemcu-build]

6 questions
1
vote
1 answer

CAN on ESP32 with Nodemcu

I have tried various Nodemcu builds based on the idf 4 (including the online builder) and cannot get the CAN bus to work on the built-in CAN controller. When I do make menuconfig, I don't see anything about the CAN module except the TWAI…
hofmaker
  • 11
  • 3
1
vote
2 answers

Can anybody please tell me how to set or reset a bit in lua..?

I want to perform set and reset of particular bit in a number. As I'm using lua 5.1 I can't able to use APIs and shifting operators so it is becoming more and more complex so please help me finding this
Abhi
  • 73
  • 8
0
votes
0 answers

Is it possible connect 4 HC-SR04(for every direction) in a 170 Points Mini Breadboard (SYB-170)?

I need to connect four HC-SR04 (Ultrasonic distance sensor) in a 170 Points Mini Breadboard SYB-170. Each sensor for each direction(North,South,East,West) I am attaching the image of both components, sensor as well as the breadboard.Also I am using…
Shivam Sinha
  • 1
  • 1
0
votes
2 answers

NodeMCU GPIO pin Still Has Power?

So I have a NodeMCU board and I am trying to create a garage door opener. Which I was partially successful with. To explain, I was able to control the garage door using the NodeMCU board and open and close it successfully. However, the issue I am…
kva1992
  • 103
  • 1
  • 11
0
votes
1 answer

Switch state not changing according to physical changes nodeMCU float switches

I am using float switches(3 Nos) as depicted below and a NodeMCU esp8266, all three switches have been defined in the same way(input_pullup) 2 of these switches change state as the switch movement commands but one of these switches are not changing…
AkshayB
  • 55
  • 1
  • 7
0
votes
1 answer

How to patch / configure a nodemcu build for SparkFun ESP32 Thing

I have been using nodemcu-build for 8266 modules with success for several projects. I have been trying to replicate the same development environment using SparkFun ESP32 Thing using the beta version of nodemcu-build for ESP32. After building,…
CyberFonic
  • 3,957
  • 1
  • 21
  • 21