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NRF24L01 connection with ARM microcontrollers

cucumber God 10 May 2020, 11:35 last edited by

can I use [48MHz microcontroller(STM32F0xx)+NRF module] at Transmitter side and [72MHzmicocontroller(STM32F1xx) + NRF module] at Receiver side?
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I built a trip wire for the post box that I'm connecting. It's however based on a mercury tilt sensor so I'm really not sure whether I think it's a great idea putting it to use (at least not with a sturdy case...). However, I can share my code: #define DIGITAL_INPUT_SENSOR 2 // The digital input you attached your motion sensor. (Only 2 and 3 generates interrupt!) #define INTERRUPT DIGITAL_INPUT_SENSOR-2 // Usually the interrupt = pin -2 (on uno/nano anyway) MyMessage msgTripped(CHILD_ID_TRIPPED, V_TRIPPED); void setup() { gw.sendSketchInfo("Postal", "1.0"); gw.present(CHILD_ID_TRIPPED, S_MOTION); pinMode(DIGITAL_INPUT_SENSOR, INPUT); // sets the motion sensor digital pin as input } void loop() { boolean tripped = digitalRead(DIGITAL_INPUT_SENSOR) == LOW; if(tripped) { gw.send(msgTripped.set("1")); // Send tripped value to gw } gw.sleep(INTERRUPT,FALLING, SLEEP_TIME); }
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@AWI I 'm doing a similar project prodias help me make connections as your project and how to perform with I2C
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@lrtsenar The MySensors Libraries were designed around the nrf24l01 transceivers which have much more built in capability than a simple 433Mhz Tx/Rx pair. You can make a node which contains a nrf and 433 Rx/Tx and it can transfer messages between the MySensors architecture and common 433Mhz devices. If you are only interested in 433Mhz devices with Domoticz, see the RFLink project for more info. I believe it requires a mega to fit their libraries.
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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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Hey there @Chaotic ! This is Fay from codebender.cc Thank you for using codebender! I just wanted to let you know that one of the sketches you are using in this comment has been deleted and so it is not available for users to view it. Let me know if you have any question.
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Yes its for an Sony Product, because i tested around a bit. The IP is unique and the mac was also tested with DE:AD:BE:EF:FE:ED with no results
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In deep Sleep the cunsumption is below 19µA, but i have to send with PA_MAX. On some Windows the open/close frequency is verry high, so the battery is to fast emty. The CR2032 is good, but i want more "lifetime"
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NRF24L01 connection with ARM microcontrollers

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11.5kUsers

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Custom Interrupt routine for door sensor
Development • arduino temperature humidity interrupt door sensors • 11 Jan 2015, 16:27 • funksoulbrother 11 Jan 2015, 22:00

Weather station DHT22, BMP185, SI1145
My Project • arduino pro mini dht22 bmp185 si1145 • 13 Sept 2014, 14:01 • jesse 21 Sept 2016, 17:04

Arduino Pro mini + RF 433 MHz as Gateway
General Discussion • arduino pro mini 433 mhz • 8 Nov 2015, 20:47 • lrtsenar 9 Nov 2015, 02:37

How to read frequency and SWP output from watermark sensor
Development • arduino moisture pulse frequency watermark • 25 May 2018, 20:48 • pierrot10 6 Feb 2019, 07:18

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