https://github.com/ldab/esp32-cam-mqtt
ESP32-CAM publishing camera pictures to Node-RED via MQTT
https://github.com/ldab/esp32-cam-mqtt
esp32 esp32-cam iot mqtt mqtt-client node-red
Last synced: about 2 months ago
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ESP32-CAM publishing camera pictures to Node-RED via MQTT
- Host: GitHub
- URL: https://github.com/ldab/esp32-cam-mqtt
- Owner: ldab
- License: mit
- Created: 2019-07-23T11:53:17.000Z (almost 6 years ago)
- Default Branch: master
- Last Pushed: 2022-10-11T01:07:40.000Z (over 2 years ago)
- Last Synced: 2025-05-02T08:55:46.686Z (about 2 months ago)
- Topics: esp32, esp32-cam, iot, mqtt, mqtt-client, node-red
- Language: C++
- Size: 1.77 MB
- Stars: 63
- Watchers: 7
- Forks: 20
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# ESP32-CAM-MQTT
ESP32-CAM remote image access via HTTP. Take pictures with ESP32 and upload it via MQTT making it accessible for the outisde network on Node_RED
[](https://github.com/ldab/ESP32-CAM-MQTT/releases/latest)
[](https://travis-ci.org/ldab/ESP32-CAM-MQTT)
[](https://www.codefactor.io/repository/github/ldab/esp32-cam-mqtt/overview/master)
[](https://github.com/ldab/ESP32-CAM-MQTT/blob/master/LICENSE)
[](https://github.com/ldab/ESP32-CAM-MQTT)
[](https://www.aliexpress.com/item/32963016501.html?spm=a2g0s.9042311.0.0.4acb4c4dqzOcdx)
## Limitations
* The MQTT buffer size is limited by the library, thus the max picture size `_client.space() == 5744` -> Play around with the resolution and find the suitable one `FRAMESIZE_QVGA`
* https://github.com/marvinroger/async-mqtt-client/issues/74
## Sumary
1. [PlatformIO](/README.md#PlatformIO)
2. [Flashing](/README.md#Flashing)
3. [Hardware](/README.md#Hardware)
4. [MQTT Broker](/README.md#MQTT-Broker)
5. [IBM Node-RED Hosting](/README.md#IBM-Node-RED-Hosting)
6. [Node-RED Flow](/README.md#Node-RED-Flow)
7. [Credits](/README.md#Credits)
## PlatformIO
* More information can be found on their comprehensive [Docs](https://docs.platformio.org/en/latest/ide/vscode.html). But Basically:
0. Download and install official Microsoft Visual Studio Code. PlatformIO IDE is built on top of it
1. **Open** VSCode Package Manager
2. **Search** for official `platformio-ide` [extension](https://marketplace.visualstudio.com/items?itemName=platformio.platformio-ide)
3. **Install** PlatformIO IDE.
## Flashing
* ESP32-CAM does not have a built-in UART/USB converter, therefore you will need one.
1. TX goes to RX;
2. RX goes to TX;
3. Power the board while keeping `GIPO0` low;
4. You can now release it and upload your code;
[](https://randomnerdtutorials.com/esp32-cam-troubleshooting-guide/)
* image from [https://randomnerdtutorials.com/esp32-cam-troubleshooting-guide/](https://randomnerdtutorials.com/esp32-cam-troubleshooting-guide/)
## Hardware
### Board Pinout
### LDO
* This board has an [AMS1117](./extras/ds1117.pdf) voltage regulator which "sleep" current is around `6mA`, this is quite a lot if you plan to have your board running on batteries.
* **TODO!** find an alternative with the same package.
## MQTT Broker
The MQTT Broker used is [CloudMQTT](https://www.cloudmqtt.com/) they offer Free accounts 😉 that works just fine.
## IBM Node-RED Hosting
The process was a bit tedious and took a while to get it properly running as of today (2019/07/23) the information provided on the tutorial had few broken links.
[https://nodered.org/docs/platforms/bluemix](https://nodered.org/docs/platforms/bluemix)
1. Sign-up/Log in to [https://cloud.ibm.com/](https://cloud.ibm.com/);
2. Using the top search bar, search for `Node-RED Starter`;
3. Fill the required fields, `App name`, `Host name`, etc...
4. Select `Lite` for `SDK for Node.js` and `Cloudant`, those are free, you can upgrade later if required;
5. Click `Create` at the bottom right, the circle will spin, take few seconds;
6. You will be redirected to the next page and should see `running` when everything is ready for use:
7. Go to your App URL, something like [http://AppName.eu-gb.mybluemix.net](http://AppName.eu-gb.mybluemix.net) and complete the initial set-up;
8. The Node-Red GUI Flow Editor is available at [http://AppName.eu-gb.mybluemix.net/red](http://AppName.eu-gb.mybluemix.net/red)
* After installing the Node desbribed below, Your Node-red Dashboard is available at [http://AppName.eu-gb.mybluemix.net/ui](http://AppName.eu-gb.mybluemix.net/ui)
## Node-RED Flow
### Install required nodes
* Menu -> Manage Palette -> Install tab. You will need `node-red-dashboard`
### Import Node example
* Copy the flow below and import to your Nore-RED available at `yournode.eu-gb.mybluemix.net/red` Import -> Clipboard, paste it.
You will find the flow.json [here](./Node-RED%20flow/flows.json).
### Cloudant Credentials for cleaning database
* Generally Cloudant autheticate via IBM cloud therefore we need to create new Credentials and use the username and password for authentication on the `delete inputs on database` node.
## Node-RED Notification
* Via the `catch` node, you can enable notification, for your phone for example. Below I have quickly show few options:
1. Email
* Use the `email` output, configured with your email provider info;
2. PushSafer
* Offers several customizations, sound, vibration, icons, etc:
* GET request url: `https://www.pushsafer.com/api?k=YOURKEY&c=%23ff0000&v=1&a=1&m={{payload}}`
5. Twilio SMS
* SMS API, built-in to the Node-RED and IBM example;
6. IFTT
* If this than that, with android and iOS apps can be accesible via webhooks;
* GET `https://maker.ifttt.com/trigger/YOUR_EVENT/with/key/YOUR_KEY?value1=MESSAGE`
## Credits
GitHub Shields and Badges created with [Shields.io](https://github.com/badges/shields/)
GitHub ESP32 camera [example](https://github.com/espressif/arduino-esp32/tree/master/libraries/ESP32/examples/Camera/CameraWebServer)