Ai-Thinker nRF24L01, Manual

Page 1: ...1 51 Local Connectivity nRF24L01 Eueung Mulyana https eueung github io 012017 nrf24 CodeLabs Attribution ShareAlike CC BY SA...

Page 2: ...Outline Introduction Getting Started Preparation Getting Started Code Play Simple Remote Control Gateway 2 51...

Page 3: ...3 51...

Page 4: ...Introduction 4 51...

Page 5: ...synthesizer and baseband logic including the hardware protocol accelerator Enhanced ShockBurst supporting a high speed SPI interface for the application controller With peak RX TX currents lower than...

Page 6: ...400 2 4835 GHz Spacing at 1 or 2 MHz GFSK 2 126 RF Channels 3 Air Data Rate Con gurable to 2 Mbps Options 250 kbps 1 Mbps 4 4 Pin Hardware SPI 5 5V Tolerant Inputs 6 6 Data Pipe MultiCeiver for 1 6 s...

Page 7: ...Pin Map 7 51...

Page 8: ...Important Notes Radio is sensitive to Noises Make sure that the circuit wire solder etc is stable Anything uxtuates is bad 8 51...

Page 9: ...Preparation Getting Started 9 51...

Page 10: ...This setup is for demo purpose only Can be any MCUs 10 51 Getting Started Arduino IDE NodeMCU Nano 1 Install RF24 Library 2 Prepare the First Node NodeMCU 3 Prepare the Second Node Arduino Nano...

Page 11: ...RF24 Library 11 51...

Page 12: ...RF24 Library 12 51...

Page 13: ...First Node NodeMCU 13 51...

Page 14: ...First Node NodeMCU 14 51...

Page 15: ...Second Node Nano 15 51...

Page 16: ...Second Node Nano 16 51...

Page 17: ...Code Play Getting Started 17 51...

Page 18: ...Simple Transmit Receive NodeMCU Transmit Nano Receive Ref Example Sketches 18 51...

Page 19: ...e Transmit data Test dataTransmitted 100 myRadio begin myRadio setChannel 108 myRadio setPALevel RF24_PA_MIN myRadio openWritingPipe addresses 0 delay 1000 void loop myRadio write dataTransmitted size...

Page 20: ...itted 100 No Acknowledge expected Data Transmitted 101 No Acknowledge expected Data Transmitted 102 No Acknowledge expected Data Transmitted 103 No Acknowledge expected Data Transmitted 104 No Acknowl...

Page 21: ...00 Serial println F RF24 Simple Receive data Test myRadio begin myRadio setChannel 108 myRadio setPALevel RF24_PA_MIN myRadio openReadingPipe 1 addresses 0 myRadio startListening void loop if myRadio...

Page 22: ...22 51 Nano Serial RF24 Simple Receive data Test Data received 100 Data received 101 Data received 102 Data received 103 Data received 104 Data received 105...

Page 23: ...RF24 Sample Code 23 51...

Page 24: ...RF24 Sample Code GettingStarted 24 51...

Page 25: ...n radio setChannel 108 radio setPALevel RF24_PA_MIN if radioNumber radio openWritingPipe addresses 1 radio openReadingPipe 1 addresses 0 else radio openWritingPipe addresses 0 radio openReadingPipe 1...

Page 26: ...Now sending failed Failed response timed out Now sending failed Failed response timed out Now sending failed Failed response timed out Now sending failed Failed response timed out Now sending failed...

Page 27: ...ntln F RF24 examples GettingStarted Serial println F PRESS T to begin transmitting to the other node radio begin radio setChannel 108 radio setPALevel RF24_PA_MIN if radioNumber radio openWritingPipe...

Page 28: ...MCU Switch It On RF24 examples GettingStarted PRESS T to begin transmitting to the other node After NodeMCU Switched ON Sent response 9284083 Sent response 10286475 Sent response 11288847 Sent respons...

Page 29: ...Got response 19614686 Round trip delay 1840 microseconds Now sending Sent 20617552 Got response 20617552 Round trip delay 1803 microseconds Now sending Sent 21619866 Got response 21619866 Round trip...

Page 30: ...Simple Remote Control 30 51...

Page 31: ...NodeMCU Remote Controller 31 51...

Page 32: ...Nano Local Controller 32 51...

Page 33: ...Simple Remote Control 33 51...

Page 34: ...egin 115200 delay 1000 myRadio begin myRadio setChannel 108 myRadio setPALevel RF24_PA_MIN myRadio openWritingPipe addresses 0 delay 1000 void loop int newButton digitalRead SW1 if newButton button bu...

Page 35: ...51 NodeMCU Serial After Some ON OFFs 1384 room 16 tail 8 chksum Data Transmitted 20 Data Transmitted 10 Data Transmitted 20 Data Transmitted 10 Data Transmitted 20 Data Transmitted 10 Data Transmitted...

Page 36: ...elay 1000 myRadio begin myRadio setChannel 108 myRadio setPALevel RF24_PA_MIN myRadio openReadingPipe 1 addresses 0 myRadio startListening void loop if myRadio available while myRadio available myRadi...

Page 37: ...51 Nano Serial After Some ON OFFs Data received 20 Data received 10 Data received 20 Data received 10 Data received 20 Data received 10 Data received 20 Data received 10 Data received 20 Data received...

Page 38: ...Simple Remote Control 38 51...

Page 39: ...Nano Attach a Device 39 51...

Page 40: ...Nano Attach a Device 40 51...

Page 41: ...Connecting to Blynk Cloud Gateway 41 51...

Page 42: ...Notes This is only an example of integration of local connected sensors and actuators to other cloud based services This is applicable not only for Blynk or Firebase but also for other services 42 51...

Page 43: ...bed14d1234567 char ssid emAP 01 char pass 1010101010 BLYNK_WRITE V1 int pinValue param asInt if pinValue HIGH dataTransmitted 20 else dataTransmitted 10 myRadio write dataTransmitted sizeof dataTransm...

Page 44: ...Blynk Button with Virtual Pin V1 44 51...

Page 45: ...d 20 pinValue 0 Data Transmitted 10 pinValue 1 Data Transmitted 20 pinValue 0 Data Transmitted 10 pinValue 1 Data Transmitted 20 pinValue 0 Data Transmitted 10 pinValue 1 Data Transmitted 20 Data Tran...

Page 46: ...Refs Resources 46 51...

Page 47: ...Refs Resources 1 Nordic Semiconductor 2 Example Sketches arduino info 3 Connecting the Radio MySensors 4 nRF24 RF24 Optimized fork of nRF24L01 for Arduino Raspberry Pi Linux Devices 47 51...

Page 48: ...NodeMCU V1 0 Pin Map 48 51...

Page 49: ...Nano V3 0 Pin Map 49 51...

Page 50: ...Nano V3 0 Pin Map 50 51...

Page 51: ...51 51 END Eueung Mulyana https eueung github io 012017 nrf24 CodeLabs Attribution ShareAlike CC BY SA...