Hello and welcome back. This time we have two new breakout boards and some prototyping tools.
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This guide shortly explains how to use the AK-3232 Level Converter. Let’s start with the basics:
In general lines, you need a RS232 Level Converter when connecting the UART of a TTL device (for example, the serial port of your microprocessor) to a standard RS232 serial port of, for example, a PC.
In this guide we are going to explain how to install and how to use the AK-Mr.Wood-L Library for Arduino. This library contains quick access to common tasks when using a shift register with 7-segment displays. It’s based mostly on the standard shiftOut() function. The library contains a predefined ASCII table for all printable characters and numbers.
AK-Mr.Wood-L is a little board that features a 7-segment display and a shift register. In this tutorial you will learn how to connect it and how to write code for it. We’ll start with some theory (that you can skip if you know what a shift register is), a basic hardware overview and then how to connect it to an Arduino/microcontroller.
5V for electronics it’s getting older but sometimes you need to connect a 5V system to a 3.3V device. A typical example is connecting an Arduino to, let’s say, a MMA8452Q accelerometer. In this particular case you need to connect the I2C bus (and optionally the 2 interrupt pins) of the MMA8452Q to the I2C port of the Arduino (A6 and A7). While it just might work, most of the times the 3.3V device performance will be degraded, or it would suddenly stop working. Read more