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RPi3 GPIO MySensors Gateway + LEDs + LNA Radio + DLink enclosure

OliverDog 27 Jun 2017, 13:31 last edited by OliverDog 27 Jun 2017, 13:33

Project built based on an old D-Link router enclosure.

It is a Raspberry Pi 3 running Home Assistant with a RPi GPIO Gateway.

Dedicated power supply for the radio, wired through a 5v to 3.3v regulator from the 3A 5V power supply.
Ethernet and 2 USB ports available for connections.

No soldering.
Easy to build with some Hot Glue... took me 3 hours.
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OliverDog 27 Jun 2017, 13:33 last edited by
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Announcements • 23 Mar 2014, 08:24 • hek 2 Apr 2014, 14:39

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2 Apr 2014, 14:39

@NotYetRated Hope you'll find good uses and a fun time while building your sensors.
BMP280 SPI Adafruit
My Project • 24 Aug 2016, 01:56 • Matt 23 Jan 2025, 16:25

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23 Jan 2025, 16:25

Hallo! Ich habe gerade meinen Aduino Nano mit einem GY-BME/P-280 verbunden über SPI verbunden. Im Sketch habe ich nur die PINS geändert und zwar auf: #define BMP_SCK 13 #define BMP_MISO 12 #define BMP_MOSI 11 #define BMP_CS 10 Ich bekomme aber bei der Ausgabe am seriellen Monitor nur "Hyroglyphen" zB 5��,�lh��}��'�O8��m�h,� Mit einem anderen Sketch funktioniert der Sensor einwandfrei. Auch mit einem anderen Nano dasselbe Ergebnis. Hat jemand eine Idee was das Problem sein könnte? Zusatzfrage da ich in C++ nicht so firm bin: Könnte es sein, dass MY_DEBUG oder MY_RADIO_NRF24 das problem verursacht. Was machen diese Definitionen eigentlich? Grüße
Door chime
My Project • 20 days ago • Paul Scarbro 17 days ago

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@Paul-Scarbro There are multitude of solution, but since we are in MySensors Land, let's do a MySensors solution. You'll quickly see that doing that adds a lot of overhead. We'll use an Arduino Nano or RF Nano if you're going to go whole hog. It can be run from 3.3V or 5V DC, not AC. The reed switch would be connected to an input of the Nano and one of the outputs would drive a relay. The relay would drive the chime. Your C++ program would be something like: #define inputButton 2; // connect reed switch here #define outputRelay 4; // connect relay to this pin see MySensors Relay example #define RELAY_ON 1 // GPIO value to write to turn on attached relay #define RELAY_OFF 0 // GPIO value to write to turn off attached relay void setup() { pinmode(inputButton,INPUT); pinmode(outputRelay,OUTPUT); // put your setup code here, to run once: } void loop() { // put your main code here, to run repeatedly: if (digitalRead(inputButton) == 0) { digitalWrite(outputRelay,RELAY_ON); wait(2000); // wait 2 seconds digitalWrite(outputRelay,RELAY_OFF); // now wait for door to close while(digitalRead(inputButton) == 0) ; //does nothing until reed switch opens } } There are some subtleties that I may have glossed over, but this is the gist. By looking at the MySensors Relay example, you'll see how to integrate this into a MySensors environment. That's where you'd want to get the RF Nano. I've made the assumption you're familiar with the Arduino IDE and you've looked into the MySensors environment.
Long time test done with soil sensor!
My Project • 7 Jan 2025, 09:13 • Nicklas Starkel 13 Jan 2025, 09:10

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Wow @Nicklas-Starkel congrats, that sounds great! And thanks for the feedback. Would you mind sharing your setup? Regards, Edi
Simulate Online-Recreating 'Flappy Bird' with Arduino Nano
My Project • 15 Jan 2025, 09:13 • Skylar Jones 15 Jan 2025, 09:13

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A low cost energy meter
My Project • 25 Jan 2024, 01:03 • OldSurferDude 12 Aug 2024, 06:03

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12 Aug 2024, 06:03

@OldSurferDude yes, you are correct. this sensor is capable of 50A continuous, which safely I would make it working at 40A max., but for such an important load as in your case I would go for a beefier one, like the ACS75x, 77x, but at this point I would also change the node's form factor for space and insulation reasons. On my application on the RV I have a max. curr. of 13A running on a AWG14-16 cable (European rules for RVs), so I did not ask myself too many questions beside, of course, safety. About the signal, it will be a sinusoidal signal swinging around Vcc/2. Vcc can be easily measured internally on the ATmega328. On all my DC sensors I measure Vcc at every loop, just before measuring the ADCs. Honestly, when the space is not an issue like in my RV, I would rather use a ring core current transformer, and I would get rid of noise, response time, power dissipation, but over all no need to cut any cable. Long story short, it has been a nice experiment and I used it for 6 months, and then I switched back to my RF-NANO based RS485-Modbus - Mysensors bridge connected to an off-the shelf power analyzer. Just for fun I attach a pic of my 12Vdc sensors installed on my RV. Forgive me for the spaghetti wiring on the right side, but this is an area that needs improvement.

RPi3 GPIO MySensors Gateway + LEDs + LNA Radio + DLink enclosure

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Welcome
Announcements • 23 Mar 2014, 08:24 • hek 2 Apr 2014, 14:39

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My Project • 24 Aug 2016, 01:56 • Matt 23 Jan 2025, 16:25

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My Project • 20 days ago • Paul Scarbro 17 days ago

Long time test done with soil sensor!
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RPi3 GPIO MySensors Gateway + LEDs + LNA Radio + DLink enclosure

Suggested Topics

Welcome Announcements • 23 Mar 2014, 08:24 • hek 2 Apr 2014, 14:39

BMP280 SPI Adafruit My Project • 24 Aug 2016, 01:56 • Matt 23 Jan 2025, 16:25

Door chime My Project • 20 days ago • Paul Scarbro 17 days ago

Long time test done with soil sensor! My Project • 7 Jan 2025, 09:13 • Nicklas Starkel 13 Jan 2025, 09:10

Simulate Online-Recreating 'Flappy Bird' with Arduino Nano My Project • 15 Jan 2025, 09:13 • Skylar Jones 15 Jan 2025, 09:13

A low cost energy meter My Project • 25 Jan 2024, 01:03 • OldSurferDude 12 Aug 2024, 06:03

1Online

11.5kUsers

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Welcome
Announcements • 23 Mar 2014, 08:24 • hek 2 Apr 2014, 14:39

BMP280 SPI Adafruit
My Project • 24 Aug 2016, 01:56 • Matt 23 Jan 2025, 16:25

Door chime
My Project • 20 days ago • Paul Scarbro 17 days ago

Long time test done with soil sensor!
My Project • 7 Jan 2025, 09:13 • Nicklas Starkel 13 Jan 2025, 09:10

Simulate Online-Recreating 'Flappy Bird' with Arduino Nano
My Project • 15 Jan 2025, 09:13 • Skylar Jones 15 Jan 2025, 09:13

A low cost energy meter
My Project • 25 Jan 2024, 01:03 • OldSurferDude 12 Aug 2024, 06:03

1
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