Tag Archives: ST7735

Color Detector Using TCS230 Color sensor and Arduino

TCS230 Color Sensor

Hi guys, welcome to today’s tutorial. In this tutorial we will look at how to use the TCS230 color sensor with Arduino. To demonstrate the ability of the color sensor, we will build a color detector system capable of detecting the color in front of the sensor and displaying that color on a TFT Display.  For this project, we will use the TCS230 color sensor and the color will be displayed on the ST7735 1.8″ TFT Display.

The TCS230 is a programmable color light-to-frequency converter which combines configurable silicon photodiodes and a current-to-frequency converter on a single monolithic CMOS integrated circuit.

The color sensor module is made up of the color sensor itself and four Infrared LEDs which are used to illuminate any object placed in front of the sensor to ensure the readings are accurate and are not affected by the surrounding illumination. The sensor is made up of an array of photodiodes with color filters for red, blue, green and a clear filter on top.

Color Detector Using TCS230 Color sensor and Arduino – [Link]

Arduino Real Time Clock with Temperature Monitor

Hi guys, in one of our previous tutorials, we built a real-time clock with temperature monitor using the DS3231 and the 16×2 LCD display shield. Today, we will build an upgrade to that project by replacing the 16×2 LCD display with an ST7735 based 1.8″ colored TFT display.

Apart from changing the display, we will also upgrade the features of the project by displaying the highest and lowest temperature that has been measured over time. This feature could be useful in scenarios where there is a need to measure the maximum and minimum temperature experienced in a place over a particular time range.

This tutorial is based on the ability and features of the DS3231 RTC module. The DS3231 is a low power RTC chip, it has the ability to keep time with incredible accuracy such that even after power has been disconnected from your project, it can still run for years on a connected coin cell battery. Asides from its ability to accurately keep time, this module also comes with an accurate temperature sensor which will be used to obtain temperature readings during this tutorial.

Arduino Real Time Clock with Temperature Monitor – [Link]

Using the ST7735 1.8″ Color TFT Display with Arduino

1.8″ Colored TFT Display

Hi guys, welcome to today’s tutorial. Today, we will look on how to use the 1.8″ ST7735  colored TFT display with Arduino. The past few tutorials have been focused on how to use the Nokia 5110 LCD display extensively but there will be a time when we will need to use a colored display or something bigger with additional features, that’s where the 1.8″ ST7735 TFT display comes in.

The ST7735 TFT display is a 1.8″ display with a resolution of 128×160 pixels and can display a wide range of colors ( full 18-bit color, 262,144 shades!). The display uses the SPI protocol for communication and has its own pixel-addressable frame buffer which means it can be used with all kinds of microcontroller and you only need 4 i/o pins. To complement the display, it also comes with an SD card slot on which colored bitmaps can be loaded and easily displayed on the screen.

Using the ST7735 1.8″ Color TFT Display with Arduino – [Link]

Bitmap graphics on an Arduino Touch Screen and other top Arduino Displays

In this video tutorial educ8s.tv shows us how to load bitmap graphics in our Arduino Touch Screen projects using Adafruit’s GFX library.

The procedure that I am going to describe works with all the color displays that are supported by Adafruit’s GFX library and by the displays that use the TFTLCD library from Adafruit with a small modification. So from the displays I own I can use the color OLED display, the 1.8” ST7735 color TFT display, the 2.8” Color Touch Screen that I reviewed a few weeks ago and the 3.5” Color TFT display. You can find links for all the displays below.

Bitmap graphics on an Arduino Touch Screen and other top Arduino Displays [Link]

Adjusting clock with alarm, hygrometer & thermometer on 1.8″ ST7735 display

pb300160-600

Nicu Florica blogged about his adjusting clock with alarm, hygrometer and thermometer on 1.8″ ST7735 display:

I use feature from article Another adjusting clock with alarm & thermometer using DS3231 on 1.8″ ST7735 display and change reading internal temperature of DS3231 with DHT22 sensor (AM2302), but you can use a cheaper and not very precise DHT11 sensor.
By using educ8stv_rtctft160_alarm_dht.ino or much better educ8stv_rtctft160_alarm_eeprom_dht.ino sketch, on display you can see: name of day, date, hour clock, hour alarm, temperature and humidity

Adjusting clock with alarm, hygrometer & thermometer on 1.8″ ST7735 display – [Link]

Choose The Best Display For Your Arduino Project

Have you ever been unsure which display you should be using in your next project? This tutorial from educ8s.tv will come in handy for choosing the best display for your each and every Arduino project!

There are lots of choices, so let’s talk about each one of them. Basically, you have three types of displays: LCD displays, OLED displays, and E-paper displays.

LCD displays: LCD (liquid crystal display) is the technology used for displays in notebook and other smaller computers. Like light-emitting diode (LED) and gas-plasma technologies, LCDs allow displays to be much thinner than cathode ray tube (CRT) technology. LCD display is a flat-panel display or other electronic visual display that uses the light-modulating properties of liquid crystals.

One of the famous LCD displays is Nokia 5110 LCD display, a basic graphic LCD screen for lots of applications. It was originally intended for as a cell phone screen.

6851997-danbo-wallpaper

Its controller is a low power CMOS LCD controller which makes it a good choice for low-consumption projects. It uses only 0.4mA when it is on and less than 0.06mA when in sleep mode. You have to use this library and you don’t need more than 8 wires to start using this display. This tutorial video will show you with details how to use Nokia 5110 LCD with Arduino:

A second choice is the OLED displays. OLED is an organic light emitting diode in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current. An OLED display works without a backlight; it can display deep black levels and can be thinner and lighter than a liquid crystal display. Thus, it is provides better contrast than the LCD choice but it becomes a bit more expensive.

color_oled

One of the newest OLED displays is the color SSD1331 display that can display 65.000 colors. Just download its library from Adafruit and start using it. A video explaining how to use it is available here.

The last type is E-paper displays, that mimic the appearance of ordinary ink on paper.

lg-paper

Unlike LCD or OLED displays, these displays reflect light instead of emitting it. Such displays are great for low power projects since they have the ability to keep the text or the image you had set before for a really long time and without electricity. One of these displays disadvantages that they are absolutely costly compared with other choices, some displays can reach $60!

Color TFT Display ST7735, White OLED Display SSD1306 and 3.5″ Color TFT Display are all mentioned in the tutorial. You should check it out for more details, information, and some hardware offers.

The tutorial concludes with this interactive table based on different criteria, this is ordered progressively by price. You can compare between displays here.

display

Using a Color Sensor (TCS230) with Arduino Uno and ST7735 color TFT display

In this video tutorial educ8s.tv show us how use the TCS230 color sensor with Arduino:

Hey guys, I am Nick and welcome to educ8s.tv a channel that is all about DIY electronics projects with Arduino, Raspberry Pi, ESP8266 and other popular boards. In this video we are going to learn how to use the TCS230 color sensor, a very interesting sensor. I have built a simple project to demonstrate that this sensor is really capable. I use an Arduino Uno and a 1.8” Color TFT display and of course the color sensor. As you can see, the sensor detects the colors and it displays them on the screen. The color we get on the screen is pretty close to the real color of the object. Cool isn’t it? Now, let’s see the parts that we need in order to build this project.

Using a Color Sensor (TCS230) with Arduino Uno and ST7735 color TFT display [Link]

1.8″ DIY Photo Frame using and Arduino Nano and a ST7735 Color TFT display

In this video educ8s.tv is  going to show us how to use the SD card slot of the popular 1.8″ Color TFT display which uses the ST7735 driver. Then we will save some bitmap images in the SD card and we will display them on the display. In other words, we will build a simple Photo Frame using Arduino!

If you have watched some of my previous videos, you may have noticed that I use this 1.8” color TFT display a lot recently. The reason for that is that this display is very easy to use, it costs less than $5 and it offers color! At the back, the display has an SD card slot, so I thought that we have to learn how to use that as well. As it turned out, it is really easy to use the SD card slot of the display! That makes this display even better.

The project that we are going to build today is this. A simple photo frame which loads images from the SD card. I have placed some .bmp images in the SD card and the project loads them and displays them at the display in full color! As you can see the speed of the project is very high if we take in consideration that the brains of this project is the old and slow Arduino Nano. In my opinion, this is really impressive. But let’s now see how to build this project.

1.8″ DIY Photo Frame using and Arduino Nano and a ST7735 Color TFT display – [Link]

Arduino Project: Flappy Bird game Clone with a 1.8″ color TFT display (ST7735)

Educ8s.com @ youtube.com:

Playing the Flappy Bird game on Arduino is extremely easy. With a cheap Arduino Uno and a very cheap 1.8″ color TFT display (ST7735) you can enjoy the classic game, the best part? It is going to be a DIY project. Actually you can build your own gaming console using Arduino, like the popular Gamebuino.

The code of the project is by Themistocles Benetatos who shares the code with us. In his blog he describes how he managed to achieve that result. Don’t miss it: http://www.mrt-prodz.com/blog/view/20…

All you have to do is to buy the following parts, if you don’t own them already. The cost is around 10$:

Arduino Project: Flappy Bird game Clone with a 1.8″ color TFT display (ST7735) – [Link]