Arduino & NodeMcu
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The document discusses hardware programming concepts for Arduino and NodeMCU boards. It covers: - The structure of Arduino programs with setup and loop functions. Setup runs once and loop runs continuously. - Examples of blinking an LED on Arduino and reading light sensor input to display values. - Pin configurations on NodeMCU and setting it up in Arduino IDE. - Examples of blinking an LED and reading a sensor with NodeMCU and storing the sensor data in a MySQL database. - Creating a Flask application to interface with the database and view the sensor data through templates.
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For more information about my speaking and training work, visit: https://www.pookyknightsmith.com/speaking/BREAST FEEDING BENIFITS OF BREAST FEEDING.pptx
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Exclusive breastfeeding means feeding an infant only breast milk, without any additional food or drink for the first six months.How to Simplify Reconciliation Process using Reconciliation Models using odoo...
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Gain valuable insights into how perfectionism and performance pressure impact personal growth and how to navigate them effectively. https://eosvu.nl/blogs/publecturestudy - 17 maart 2025.pdf
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Abigail Sageev presents at the OECD webinar 'Improving skills outcomes throug...
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#cyndyfridayforums #cyndymcdonald #financialaid #collegeadmissions #collegecounselingArduino & NodeMcu
- 2. Structure of Arduino Programming The program has two main scope one is declaration(setup) part and another one is execution part(loop). The variable declarations and initialization of the serial communications within this part(setup). It executes only one time. The executions parts(loop) executes code continuously This scope used to read the sensor input and triggers the outputs
- 3. LED Blinking In setup function, we are initialize the LED pin 13 to blink built-in LED of Arduino board
- 4. Read the sensor input Choose any one of the pins of LDR to 5v of Arduino board The LDR other pin connected to 1K Resistor to limit the current flow inside the LDR The other terminal of resistor connected to ground. The sensor output is taken from in-between the resistor and LDR
- 5. Display the sensor value Initialize the analog pin(A0) in setup function Store the sensor value is integer to display in serial monitor
- 6. Pin Configurations General-purpose input/output (GPIO) is a pin on an IC (Integrated Circuit). It can be either input pin or output pin, whose behavior can be controlled at the run time.
- 7. Setup a NodeMcu Board In Arduino IDE, Go to file and select preferences the add http://arduino.esp8266.com/stable/package_esp8266com_index.j son for additional board manager Go to tools and visit manage libraries install the ESP8266 nodemcu libraries if it is not available in your libraries Select the NodeMcu ESP(0.9) 12E module in Arduino IDE Tools to upload the programs into microcontroller
- 8. LED Blinking Connect LED +ve terminal to NodeMcu D0 pin Connect LED ve pin to NodeMcu Ground pin
- 9. Read the sensor details using NodeMcu
- 10. Cont..
- 11. Store sensor data in mysql database
- 12. Cont..
- 13. Cont..
- 14. Cont..
- 15. Flask Applications Install Flask Application and Create Python_db and records table in mysql server
- 16. 遺看稼岳
- 17. Template for filtering the data
- 18. View the sensor data
- 19. Application View
- 20. Thank You