But since our Serial Monitor defaults to 9600 baud, it is not displaying the text correctly. We need to change the speed. We do this by editing the platformio.ini file. You’ll find this file at the bottom of every project, in the left pane. The platformio.ini file contains the ...
The breadboards are where you connect each component to interact together; You will be connecting the LCD for displaying the game, your buttons for user input, the potentiometer for controlling the LCD’s contrast, and more. Here’s what the breadboard looks like: Male-to-male jumper wire ...
If you get the “SSD1306 allocation failed” error or if the OLED is not displaying anything in the screen, it can be one of the following issues:Wrong I2C addressThe I2C address for the OLED display we are using is 0x3C. However, yours may be different. So, make sure you check ...
You note a big yellow banner reading “Disconnected” on the bottom half of the interface. To connect your Arduino Nano ESP32, click the “Connect” button on the top taskbar. A modal window will pop up, displaying the connection(s) to any compatible microcontrollers. If you have more than...
Introducing the LCDThe simplest and inexpensive way to display information is with an LCD (liquid crystal display). These are found in everyday electronics devices such as vending machines, calculators, parking meters, printers, and so on, and are ideal for displaying text or small icons. The ...
LCD (text based), which is also a good choice for simulating button -- LcdDDLayer Micro:bit-like canvas -- MbDDLayer Turtle-like canvas -- TurtleDDLayer Graphical LCD, which is derived from the Turtle layer (i.e. in addition to general features of graphical LCD, it also has certain ...
Hi there, I have tried both ways and it did not work what you think could be the problem? Reply Willi Hello, me2. I did all in your description, but there is no echo from the HC05 (zs-040). I connected EN to + 5V I pressed the button or did not … ...
In the earlier parts we got the ESP8266’s IP address by displaying it in the serial monitor. This is OK for examples and development but not practical for real life projects. There are a few ways to get the IP address, here I look at mDNS. mDNS allows you use to connect to the ...
and can also be connected to a paddle or key to be used as a trainer for learning the code. It’s also able to count the words-per-minute rate of whatever it hears and display it on a small LCD at the front of the unit which also handles displaying the translations of the Morse ...
In this example, we’re creating an object named serial_lcd, which we instruct to use pins 2 and 3. Even though we’re not going to be receiving any data from this serial connection, we need to specify a receive pin, so you shouldn’t use pin 2 for anything else when you are ...