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.

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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 ...
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43 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 ...
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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 ...
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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 ...
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34 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 ...
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52 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 ...
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138 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 ...
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115 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 ...
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339 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. ...
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480 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 ...
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283 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 ...
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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??
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108 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 ...
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88 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?
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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 ...
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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'...
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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 ...
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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 ...
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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 ...
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566 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 ...
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122 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....
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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 ...
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181 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 ...