Questions tagged [esp8266]
The ESP8266 is a low-cost Wi-Fi chip/microcontroller, usually sold on a small breakout, which can be connected directly to the Pi and programmed in C, Arduino C++, or lua.
24
questions
1
vote
0answers
13 views
Send/Receive messages with ESP8266 to home assistant using websockets [closed]
I am trying to make my nodemcu independent of raspberry pi or internet or wifi.
The working of my nodemcu is as follows-
The nodemcu is connected with a relay and a simple push-button.
When the ...
1
vote
2answers
2k views
RPI Pico: How to use ESP8266 (ESP-01S) as wifi modem?
I would like to use the Raspberry PI Pico to monitor exchange rates for crytpo currencies and inform me via SMS (using a SIM800l module) when certain prices are exceeded or fallen short of. I ...
0
votes
1answer
72 views
Connection between nodemcu and raspberry in different networks
You can send measured data from a sensor connected to the NodeMCU to the Raspberry, only I don't want a physical connection, I want to connect via another wifi.
Example, Raspberry is at my house and ...
0
votes
0answers
50 views
Temperature/PH/Humidity sensors Wireless?
I am designing an irrigation system. I have already put in place the pump piece, piloted by the Raspberry through a relay.
Please note that this is an outdoor system, so the less wires are there the ...
0
votes
1answer
79 views
RaspPi as Master, 4x ESP32 with cameras… Networking, Image transfer and logging [closed]
To give some background: I am a seasoned software developer with experience to different degree in (Java, Python, JavaScript and even some C/C++), but I am new to IoT.
The project I am planning is a ...
1
vote
1answer
38 views
How to use ntp time as default time while using pi as a gateway?
I am using raspberry pi 4 as a gateway to my esp8266 devices. I have connected ethernet to pi for internet connection. It works fine. I want to generate ntp time in my esp8266 device. When I connect ...
0
votes
1answer
72 views
Raspberry Pi 3B Serial Port Flow Control Issue
I am trying to connect ESP-Prog to Raspberry Pi Model 3B. The Pi is back-powered by 5V power supply connected to the hat on the Pi. By default, serial port /dev/ttyUSB1 is connected for Espressif ...
0
votes
0answers
170 views
How to upload sketch in ESP32 with rpi4?
I bought a doit devkit v1 somedays ago. I have Arduino installed in my raspberry pi(binaries from arduino.cc). I installed the board today and tried to upload a simple code. But it cold not upload the ...
0
votes
0answers
217 views
Connection timed out error with MQTT connection with Raspberry Pi and ESP8266
When wanting to connect my raspberry pi to my esp8266 wirelessly through MQTT it gives a connection timed out error and I am not sure why. I have surfed throughout the internet and could not find ...
1
vote
0answers
421 views
Raspberry 3 model B v2 I2c slave, ESP8266 I2c master
I try to learn I2C with goal : read my ESP8266 events (I2C master) from my Raspberry 3 model B v2 (I2C slave).
I use the Arduino Wire library on the ESP and python pigpio lib on the Raspberry.
...
0
votes
1answer
609 views
Connecting ESP8266 wifi module with Raspberry Pi zero to use home wifi
I have been following 3 sources below where I could set up my Raspberry Pi zero with Wifi using ESP-01 (ESP8266) but am still struggling to get it working.
Wifi configuration 1
Wifi configuration 2
...
4
votes
1answer
294 views
Flashing the ESP8266-12F Joy-IT from raspberry
It is possible to flash the ESP8266 12-F with the raspberry UART or I2C pins ? Has anyone ever done this? Thank you.
EDIT: OK it's work, finally I just had big problems with my breaboard and my ...
0
votes
1answer
286 views
Could I send data of DHT11 on ESP8266 to my RPi3?
Maybe my question is little weird.
Using rpi3, node mcu, dht11(or another sensor)
get a data of dht11 on nodemcu
want this data to rpi3
is it realizable??
0
votes
1answer
109 views
How to implement properly the iot garbage management using sensors and esp8266 to mobile application
My question: I don't know how to connect ULTRASONIC SENSOR(hc-sr04) which is for getting the fill level of garbage and DHT11 for temperature and humidity to connect both in a ESP8266 to mobile ...
0
votes
1answer
92 views
Connect WiFi on non-WiFi RPi
Yes, I know that I can't connect to Internet using simple RPi Zero (non-WiFi), but are there methods to connect it to WiFi using ESP8266 modules like on Arduinos?
0
votes
0answers
36 views
How to determine signal strength from an esp8266 module and a Rasberry Pi
I am trying to write a python script which will determine which of two esp8266 modules is closest to my raspberry pi.
My setup is as followed: I am using a Raspberry pi 3 with the raspbian operating ...
1
vote
1answer
2k views
Anyone get direct esp-now to raspberry pi (or other linux wifi device) working?
It would be nice to be able to use raspberry wifi to receive ESP-NOW messages directly and eliminate another ESP-to-PI device to manage.
I think this is where @ Alexandr Zarubkin
was going but I don'...
1
vote
0answers
146 views
802.11 action frames send/receive
Is it possible to gain access to 802.11 action frames TX/RX from software? There's a proprietary protocol based on vendor-specific action frames called ESP-NOW for ESP8266 and ESP32 chips, and I'd ...
0
votes
2answers
2k views
How to retrieve data from Arduino and ESP via local wifi network on RPI 3
I have a DHT22 connected to an Arduino Uno with a simple DHT sketch. Also connected is an ESP8266-01 that has been flashed and an AP +STA mode program uploaded to it. I'm wanting to use a RPI 3 to ...
0
votes
1answer
1k views
How can I connect my Pi to an Arduino with ESP8266 Wi-Fi module?
I'm having a hard time trying to understand how I can use my Raspberry Pi to retrieve and display data from my Arduino that has an ESP8266 WiFi module and a DHT temp and humidity sensor connected to ...
0
votes
1answer
573 views
WebIOPi + ESP8266 - Setting up Server/Client communication
I've been working on this project, which consists in using a web page to control RPi's GPIOs and read sensor data via WebIOPI. Everything worked fine, at this point the project is very simple and the ...
1
vote
1answer
123 views
ESP8266 pHAT from Pimoroni does not working. `minicom -b 115200 -o -D /dev/ttyAMA0` returns nothing
I bought myself this, https://shop.pimoroni.com/products/esp8266-phat.
I started with looking through this blog post, http://richardhayler.blogspot.nl/2016/02/getting-started-with-esp8266-iot-phat....
3
votes
1answer
1k views
Use Raspberry and Arduino IDE to program ESP8266 remotely
I currently use Arduino IDE to generate binaries for ESP8266. Afterwards I copy the binaries with SFTP to my Raspberry Pi and flash the binaries using esptool.py.
These are lots of steps I need to do ...
0
votes
1answer
185 views
Arduino UNO and Raspberry Pi
I have got an Arduino UNO which I have purchased recently and a Raspberry Pi which I have been using for quite sometime now. I have got a ESP8266 NodeMCU AI-THINKER dev board as well.
I have used the ...
