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![Write Some Codes
Then Upload
Don't forget to temporarily release the RX
pin!
#defineBLYNK_PRINTSerial
#include<ESP8266_HardSer.h>
#include<BlynkSimpleShieldEsp8266_HardSer.h>
#defineEspSerialSerial
ESP8266wifi(EspSerial);
charauth[]="701f5e2263494783bb7ee9a36fc12345";
voidsetup()
{
Serial.begin(115200);
delay(10);
EspSerial.begin(115200);
delay(10);
Blynk.begin(auth,wifi,"lk8fm","0123456789");
}
voidloop()
{
Blynk.run();
}
39 / 44](https://image.slidesharecdn.com/esp8266basics-161108011514/85/Esp8266-basics-39-320.jpg)
![Write Some Codes
Then Upload
Don't forget to temporarily release the RX
pin!
#defineBLYNK_PRINTSerial
#include<ESP8266_HardSer.h>
#include<BlynkSimpleShieldEsp8266_HardSer.h>
#defineEspSerialSerial
ESP8266wifi(EspSerial);
charauth[]="701f5e2263494783bb7ee9a36fc12345";
voidsetup()
{
Serial.begin(115200);
delay(10);
EspSerial.begin(115200);
delay(10);
Blynk.begin(auth,wifi,"lk8fm","0123456789");
}
voidloop()
{
Blynk.run();
}
39 / 44](https://image.slidesharecdn.com/esp8266basics-161108011514/75/Esp8266-basics-39-2048.jpg)
Uploaded byEueung Mulyana
Esp8266 basics
This document provides an introduction to programming the ESP8266 WiFi chip. It outlines ESP8266 basics, including an overview of the ESP-01 and ESP-12 models. It then demonstrates how to connect an ESP8266 to an Arduino and use the Blynk app and library to control an LED over WiFi. Wiring diagrams and code examples are provided to showcase setting up and programming the ESP8266 for basic WiFi functionality and Blynk integration.
TechnologyâŠ
In this document
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The presentation introduces LTKA Labs and outlines the topics covered, including ESP-01 and Blynk.
The slides provide a brief history and necessity of the ESP8266 in networking when traditional options are unavailable.
Introducing the ESP8266, highlighting its low cost, small size, and key features like CPU specifications, power usage, and capabilities.
Discussion of various ESP8266 series models, focusing on ESP-01 and ESP-12 with their pinout diagrams.
Presentation of various ESP8266 development boards available, emphasizing affordability around $10.
Detailed discussions on the ESP-01 specifications, wiring examples for normal operation, programming, pull-up resistors, and capacitors.
The section begins the practical implementation aspects of using the ESP8266, starting from serial monitor commands.
Introduction to Blynk, explaining its features as a platform for controlling devices like Arduino and Raspberry Pi.
Guidance on setting up the Blynk app, creating projects, adding widgets, and installing the necessary libraries.
Basic coding example for integrating ESP8266 with Blynk, necessary libraries, and setup.
Instructions on how to interact with the Blynk app dashboard for controlling devices.
Lists references and sources to support the content provided in the presentation.
Presentation ends with acknowledgment of the speaker and resource for further learning.
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Esp8266 basics
- 1. LTKA Labs ESP8266 Basics EueungMulyana http://eueung.github.io/ET3010/esp8266 ET-3010 | Attribution-ShareAlike CC BY-SA 1 / 44
- 2.
- 3.
- 4. Previously ... Â 13 12 11 10 9 8 7 6 5 4 3 2 L 5V A0 ANALOGÂ IN AREF 1 GND TX RX RESET 3V3 A1 A2 A3 A4 A5 VIN GND GND DIGITALÂ (PWM= ) Arduino TM IOREF ICSP ICSP2 ON POWER 0 1TX0 RX0 RESET 13 12 11 ETH 9 8 7 6 5 SDCS 3 2 0 1TX RX AREF GND 5V A0 ANALOGÂ IN TX RX RESET 3V3 A1 A2 A3 A4 A5 VIN GND GND DIGITALÂ (PWMÂ SPIÂ ) SCLSDA < IOREF ICSP CS < < To Get Network Access: UNO + Ethernet Shield 4 / 44
- 5. Sometimes... network wires& switch ports are not available .. In some conditions, they are not an option at all! 5 / 44
- 6.
- 7.
- 8. 8 / 44 Arduinoand WiFi Official Arduino WiFi Shield EUR 69 + VAT Sparkfun CC3000 Shield USD 40 Adafruit CC3000 Module USD 35
- 9. ESP8266 Developed by EspressifSystem Low Cost Part Number is ESP8266EX 20+ M Chip Sold 5000 Active Developers 3.3V - 215mA (measurement: peak ~430 mA) CPU: 32-bit, 80MHz (or 160 MHz), Tensilica Xtensa Core Wi-Fi 802.11b/g/n (Station or AP), WEP/WPA/WPA2 Timers, Deep Sleep Mode I/CRAM 32-64KB, DRAM 80-96KB External QPI Flash (200KB SDK, prev. 512 KB / 4Mbit, new min. 1 MB/8Mbit) GPIO (2-16) SPI, I2C, I2S, UART 10-Bit ADC 9 / 44
- 10. 10 / 44 ESP8266Series ESP-xx
- 11.
- 12.
- 13. 13 / 44 ESP-01 ESP-12F+ Breakout IDR 50k & IDR 90k
- 14. 14 / 44 ThreeAlternatives..
- 15. 15 / 44 ActuallyMore ... Dev Boards Adafruit Huzzah Sparkfun MOD-WIFI- ESP8266-DEV NodeMCU v1 Around USD 10 or less
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- 19. 19 / 44 ESP-01 2x4DIL Header Integrated Antenna Integrated LED (VCC, TXD) 1MB/8Mbit Flash (2015, Black) Operating VCC: 3.3V (av. active 200mA, peak see prev.) IO & UART are not 5V Tolerant CH_PD must be Pulled High
- 20. 20 / 44 Wiring Example NormalOperation
- 21. 21 / 44 Wiring Example Flash/ Program
- 22. 22 / 44 Wiring Example PullupResistors
- 23.
- 24. 24 / 44 Wiring Example BypassCapacitors
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- 29. Â Serial Monitor: AT| AT+GMR | AT+CWLAP 29 / 44
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- 31. 31 / 44 Blynkis a Platform with iOS and Android apps to control Arduino, Raspberry Pi and the likes over the Internet. It's a digital dashboard where you can build a graphic interface for your project by simply dragging and dropping widgets. Blynk is not tied to some specific board or shield. Instead, it's supporting hardware of your choice. Whether your Arduino or Raspberry Pi is linked to the Internet over Wi- Fi, Ethernet or this new ESP8266 chip, Blynk will get you online and ready for the Internet Of Your Things.
- 32. 32 / 44 DownloadApp Create Account
- 33. 33 / 44 CreateNew Project Remember / Email Auth Token
- 34. 34 / 44 Add(Widget Box) Select Button
- 35. 35 / 44 EditTitle Select Output Pin (D13) Mode (Switch)
- 36. 36 / 44 SwitchTX - RX Wire Remove RST - GND Wire LED on Pin 13 (Better with Current Limiting Resistor)
- 37.
- 38. 38 / 44 DownloadBlynk Library Then Install : Blynk BlynkESP8266_HardSer
- 39. Write Some Codes ThenUpload Don't forget to temporarily release the RX pin! #defineBLYNK_PRINTSerial #include<ESP8266_HardSer.h> #include<BlynkSimpleShieldEsp8266_HardSer.h> #defineEspSerialSerial ESP8266wifi(EspSerial); charauth[]="701f5e2263494783bb7ee9a36fc12345"; voidsetup() { Serial.begin(115200); delay(10); EspSerial.begin(115200); delay(10); Blynk.begin(auth,wifi,"lk8fm","0123456789"); } voidloop() { Blynk.run(); } 39 / 44
- 40. Blynk App Go toDashboard Play Push the Button 40 / 44
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- 42.
- 43. Refs 1. Zhu Baoshi- Build WiFi Gadgets Using ESP8266, GeekCamp.SG 2015 2. Tom Tobback, Cassiopeia - ESP8266+Arduino, ESP8266+Arduino workshop 2015 3. Burak Aydin - Hack The ESP8266 4. Pighixxx - Boards - Pinout 5. Tuanpmt/Espduino - ESP8266 Network Client for Arduino 6. Internet of Home Things - 4 Ways to Eliminate ESP8266 Resets 7. Update the Firmware in Your ESP8266 Wi-Fi Module 8. ESP8266 Support WIKI - Getting-Started-with-the-ESP8266 9. sleemanj/ESP8266_Simple - A simple Arduino library to perform HTTP operations on the ESP8266 Wifi Device 10. DIY ESP8266 ESP-01 Programing / Test board 11. Blynk 43 / 44
- 44. END Eueung Mulyana http://eueung.github.io/ET3010/esp8266 ET-3010 |Attribution-ShareAlike CC BY-SA 44 / 44