ESP8266-Sensor/SBNetwork
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Marcel Schulz 2017-11-20 16:59:21 +01:00
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LICENSE Normal file
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MIT License
Copyright (c) 2017 Marcel Schulz
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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Readme.md
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# SBNetwork # SBNetwork
Schullebernd Network library is a simple and easy to use library to connect devices like arduinos or ESP8266 via a nRF24L01 Transmitter. Schullebernd Network library is a simple and easy to use library to connect devices like arduinos or ESP8266 via a nRF24L01 Transmitter.
It uses the basic RF24 lib from https://tmrh20.github.io/RF24 and adds further functions for a simple master/client network.
## Master Client Network ## Master Client Network
With this library you can build a simple master/client network. With this library you can build a simple master/client network.
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The target of this library is tobuild up a small and easy closed network of devices. I simply wanted to have a library for an easy integration of multible sensor and actor devices. But the devices shouldn't be a kind of an IoT device, which are directly connected to the LAN or internet. I know this is not a typical IoT thinking, but this definitifly reduced the overhead communication in the local LAN/WLAN. The target of this library is explicitly NOT to have TCP/IP library for nRF24L01 connected devices. Ther are many really good libraries available to achive this. The target of this library is tobuild up a small and easy closed network of devices. I simply wanted to have a library for an easy integration of multible sensor and actor devices. But the devices shouldn't be a kind of an IoT device, which are directly connected to the LAN or internet. I know this is not a typical IoT thinking, but this definitifly reduced the overhead communication in the local LAN/WLAN. The target of this library is explicitly NOT to have TCP/IP library for nRF24L01 connected devices. Ther are many really good libraries available to achive this.
# How does it work? # How does it work?
It's quite simple. One device is defined as the master device. In my case it is an Wemos D1 mini / ESP826. The master devices is the device where the clients are connecting to. The master can allow or deny new client connections. If a client gets connected to the master, the master stores its mac in the internal flash. If a client is sending transmissions to a master and the master has not stored the clients mac address, the communication will be blocked. Clients are automatically searching for and connecting to a master. You don't have to configure this. The only thing that has to be done is to define a unique mac adress for the clients in the sketch. If a client is connected to a master the first time, it stores the master mac in the internal flash. Even if the client loses the power or turnes off, the master mac gets stored. After turning on the client again, the connection to the master gets restored . It's quite simple. One device is defined as the master device. In my case it is an Wemos D1 mini / ESP826. The master devices is the device where the clients are connecting to. The master can allow or deny new client connections. If a client gets connected to the master, the master stores its mac in the internal flash. If a client is sending transmissions to a master and the master has not stored the clients mac address, the communication will be blocked. Clients are automatically searching for and connecting to a master. You don't have to configure this. The only thing that has to be done is to define a unique mac adress for the clients in the sketch. If a client is connected to a master the first time, it stores the master mac in the internal flash. Even if the client loses the power or turnes off, the master mac gets stored. After turning on the client again, the connection to the master gets restored.
The library uses the basic RF24 lib from https://tmrh20.github.io/RF24 and adds further functions for a simple master/client network.