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IoT Scoreboard Using Teensy and ESP8266 with Blynk App
- Idris Zainal Abidin
- 04 Mar 2020
- 854
Introduction
Did you have experience handling scoreboard in any tournament? Now you can make it more interesting by control it through internet. This tutorial using Teensy as a main microcontroller and ESP8266 as a WiFi module. I'm using NeoPixel LED panel 8x32 as a display that require only 1 GPIO! To control it, you need an Android or iOS smartphone with Blynk app installed. Let's try!
Video
This video shows how to create an IoT scoreboard using Teensy (Arduino) and ESP8266 with Blynk app.
Hardware Preparation
This is the list of items used in the video.
- Teensy LC (Low Cost) Controller Board
- ESP-01 WiFi Serial Transceiver Module (ESP8266)
- WS2812B NeoPixel 8x32 LED Panel-256 LED
- 40 Ways Female to Female Jumper Wire
- USB Micro B Cable
The custom PCB is created using CNC on Snapmaker. Below is the list of components used in the PCB.
Schematic and PCB files
If you have Snapmaker, you can download - THIS FILES, and use it for CNC your PCB.
Sample Program
This is Arduino sample program for Teensy board. Before compile, please install following libraries through Library Manager:
- Blynk by Volodymyr Shymanskyy Version 0.6.1
- Adafruit GFX Library by Adafruit Version 1.7.5
- Adafruit NeoPixel by Adafruit Version 1.3.4
- Adafruit NeoMatrix by Adafruit Version 1.1.4
Thank You
References:
Thanks for reading this tutorial. If you have any technical inquiries, please post at Cytron Technical Forum.
"Please be reminded, this tutorial is prepared for you to try and learn.
You are encouraged to improve the code for a better application."