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💬 MDMScreen

openhardware.io 26 Dec 2017, 16:26 last edited by openhardware.io 23 Feb 2019, 18:56

https://www.openhardware.io/view/543/MDMScreen
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mysensors 189 arduino 119 nrf24l01 69 rfm69 60 atmega328p 15 lcd 5 nextion 3 spi flash 2 touchscreen 1
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Ivan Z Hardware Contributor 26 Dec 2017, 21:00 last edited by

Please append support RS485
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mysensors 189 arduino 119 nrf24l01 69 rfm69 60 atmega328p 15 lcd 5 nextion 3 spi flash 2 touchscreen 1

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Love the big red button!
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@michlb1982 A couple of things, you put the device to sleep so while it's asleep, it won't respond to the commands to change the relays. Since you are combining relays and sensors, you need to keep the unit awake and find a different way to send the sensor data occasionally. For the relay status, read the comments in the sketch. You are saving the relay state and then reading that on startup. You can eliminate all of that code and just set the relay to off in the setup section. Cheers Al
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@GLAB You can set the frequencies using the settings in MyConfig.h, which is in the MySensors folder. If you put any of the defines from MyConfig.h into your sketch, they will override the MyConfig.h setting for that sketch only. If you are using the RF24 radio, there are different channels which correspond to a given frequency. The default is channel 76. There is a list of typical channels in MyConfig.h. If you want to change the channel for all the sketches, change it in MyConfig.h. If you want to change it just for the sketch, add a define to the sketch. For example: #define MY_RF24_CHANNEL (84) The problem with changing the channel in a sketch is that the gateway has to be on the same channel to receive from the node. So, normally it makes sense to change in MyConfig.h because you usually want the gateway and all the nodes on the same channel. Other radio's like the RFM69 list the frequency instead of using a channel. They can be overridden in the sketch as well. You can find the defines that are needed in MyConfig.h
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Hello @reinhold, yes the PCB works, I have assembled one and tested it for basic function (not all buttons and leds) but I have stability problem that comes from the software, I put it aside to do other things and didn't have time to go back to it, if there is some interest for it I will find some time and finish at least a basic script.
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@fdlou147 According to my personal experience, I'd recommend to split up Gateway and Node funktionality and use two seperate mcu's. Wrt. to the code itself: you only set up a debouncer on one of the pins (finally: Pin 5), as you always redefine the same "flags" over and over again. Perhaps have a look at this imo excellent multi relay/button sketch by korttoma here. This one should be not to hard to adopt to your needs (still, I'd recommend two mcu's).
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@suhaila96 Hello I have not seen your question since I reviewed this topics, today. What do you mean about "setup your circuit"? How did you connected you watermark sensor and to what?
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@Nca78 FWIW, I used 1.55mm holes. There may be no perfect diameter since we don't even know for sure yet which lens will turn out best.

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