Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - White [ADA1002]

Since using this Display for 7 months, I have become quite proficient at it. I have had this on continuously throughout the duration of the project and have not had a failure. My area code is displayed to allow me to see the weather in my area. With the ESP8266, the display was easy to control and very bright. The display does, however, need some soldering in order to be completely assembled. **COME IN TWO PIECES**SOLDERING** THIS PRODUCT IS IN TWO PIECES. 2) The backpack disguises the complexity of the matrix in its display so that you can use a maximum of 2 pins to control the display and 2 pins to supply A solder connection must however be made between the backpack and display matrix. In order to connect the display matrix and backpack, you will need to solder 18 pins. My nodeMCU operates at a voltage of 3. I use a nodeMCU that operates at a voltage of 3. On the Adafruit website, the website indicates that this can work with 3 V. We have tested it with 3 V, and it works great. There is a voltage range of 3 to 5 volts. ) protocol. This means you only need two pins to control There would still be a need to power You will find four pins on the top of the display.
The clock pin is marked at the back as SCL (at the front as C). On your microcontroller, this will need to be connected to the Clock/SCL pin. This is pin D2 on the Node MCU, and this is pin A4 on the Uno. The pin marked as SDA in back (D in front) is linked to the device's data. On your microcontroller you will need to attach this to the SDA/data pin Taking control. To connect this to your micro, connect it to one of the GND posts Taking control. **The voltage pin, labeled VCC in the back (+ in the front), is located on the pin marked as VCC. The pin marked as 3 needs to be connected to this. Micro-controllers can be powered by either 3 V or 5 V Taking control. I have been controlling the display with nodeMCU, which is a code for controlling a microcontroller. I've been using Adafruit_LEDBackpack library and it works well and is very easy to write data to it with Here is Adafruit's 7 segment display. By publishing HEX or Base 10 numbers using print or draw methods, I can write numbers to the screen in any format. The Adafruit 7-pillar. Using drawColon, you can control the display of a colon.

Jasmine Kim

| Jun 10, 2021

Despite how much I love Adafruit products, these often require more effort and initiative than similar products from other companies, and this is a perfect example. I'm doing a seven-day challenge right now A segment display that can be used with only four pins thanks to the backpack. The display and the backpack are not assembled, so you will have to solder them. You don't have to spend a lot of money or time on a soldering gun if you're like me and not very good with a solder gun. On the other hand, Adafruit offers you multiple options in color, whereas assembled solutions might only be available in one br>br>If you're good at color, no need to worry if you want to get a two-pack This package including four displays (prime-eligible) is assembled and ready to use (no soldering required) the cost is less than half the price of one of the In brief *br*br.

Ayaan Cordova

| Oct 05, 2020

My application was to use it for custom heating. This is an outstanding display in terms of functionality and build quality It is easy to install the backpack and allows you to use the display (using their library) in no time. Since I didn't have to worry about the low-quality of my application, I was able to focus on my application This feature allows the display to operate at two levels. It looks good when the display is white. A bezel mount adapter would have been helpful, but I cannot find one. As a result, it was really hard to make my final product look good since this display was difficult to use. Due to the lack of bezels, I had to use a bridgeport milling machine at the workplace of a friend to cut out an exact opening. I think I've got something The product isn't going to be able to do that for 9% of its users. It is so precise, since there is no bezel to snap in, while still providing an enclosure around the display to keep the cutout hidden. The photo shows the final product. I ordered a black smoke-colored one An enterprising person is marketing an external bezel solution with a colorful plastic piece.

Mason Pollard

| Nov 24, 2020

It only took 10 minutes from the time I soldered it to running source code from Adafruit on my Arduino Uno. It only took a day for me to figure out how to reinstall It can be programmed to my needs The following. The 7 Segment) is processed with a computer program. There is tremendous value in this item since it contains the source code! Using the IIC embedded in the backpack, you can control the 7 segment display in a variety of ways. You can control the dots, the equal sign, and each digit separately. The system will take care of the rest if you give it an integer like I did. It even thinks of negative integers without recalculating The following programming is required I just love how it The number is just displayed with a negative sign before it. I can't recommend it enough and will be buying a lot more in the near future.

Leilani Cobb

| May 01, 2021

This is a pretty cool and simple to program I think they put this four by seven together well In the backpack, there is a segment display and HT16K33 chip. As long as you have I2C, you can communicate with it easily. three connections on the back, which can be shorted out to change the address (default is 0x70 and can be changed to the maximum of It wasn't too hard to solder it either, just be sure to connect it first in the right position on the website before you solder it in place. There are already libraries to control your Raspberry Pi if you use Raspbian, and if you're using Windows 10 IoT (which is what I use), you can write code to talk to your Raspberry Pi quite easily. It is possible to turn each bit on and off individually on the HT16K33, digits 0,1,3 and 4 are shown (left to right) and colon 2 is shown. There are two bits on the last digit of each digit to represent a The 5Hz frequency).

Mila Roy

| Nov 05, 2020