How to control Arduino using nodemcu esp8266 and Blynk application “Arduino nodemcu + Blynk”
nodemcu board and library setup:
• Nodemcu esp8266 wifi Module Basics, B...
nodemcu power supply making:
• Electronics Tutorial: How to make pow...
learn how to make schematic and pcb:
• how to make a schematic and PCB in Ca...
Relay driver circuit design calculation:
• Electronics Tutorial: 12v SPDT relay ...
Project Description:
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In today’s episode, you will learn how to control your Arduino or Mega board using Nodemcu esp8266 wifi module and blynk application. My previous tutorial was based on home automation using only nodemcu and blynk application. There are many situations when you need to control and monitor many devices. So by using arduino or mega with nodemcu we can increase the number of input output devices. So in today’s episode you will learn how to use nodemcu and blynk application to send commands to arduno or mega board to control any devices. Let’s get started.
The components that we will need for this project are
1. Nodemcu ESP8266 wifi module
2. Arduino uno or mega
3. 12v SPDT type relays.
4. 2N2222 npn transistors. Left leg is the emitter, middle one is the base and the right most leg is collector.
5. 10k resistors
6. Dc female sockets
7. Connection wires
8. 5x7 cm vero board
9. 1n4007 diodes
10. Terminal blocks and
11. Indicator lamps.
These components can be purchased from Amazon, the components purchase links are given below.
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Purchase links for Components with best prices.
Arduino Nano USB-C Type ( recommended):
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ESP32 WiFi + Bluetooth Module for iOT Projects (recommended), more IO pins, improved speed, and supports a Lipo Battery:
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Nodemcu ESP8266 WiFi Module:
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LM7805 Voltage Regulator:
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470uf capacitor:
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330-ohm resistor:
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DC Female Power Jack:
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Female Headers:
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Male Headers:
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LEDs:
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1n4007 diode:
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10k Resistor:
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2n2222 NPN transistor
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12V SPDT Relay:
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One-Channel Relay Module:
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12v SPDT type 4-channel relay Module:
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Other Must-Have Tools and Components:
Arduino Uno, Nano, Mega, Micro "All types of Arduino Boards":
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Variable Supply:
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Digital Multimeter:
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DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I will receive a small commission. This helps support the channel and allows me to continue to make videos like this. Thank you for the support!
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