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The driver for BMA423 Triaxial Acceleration Sensor The MicroPython layer in bma423 from was not working because it uses deprecated calls to I2C in MicroPython. However...
The ESP32 S3 FN8 CPU board This page shows the hardware connections of the onboard devices provided be the ESP32 S3 FN8 CPU board. First of all, this is an ESP32 S...
The ESP32 CAM module Introduction The ESP32 CAM module is dedicated to camera readout. It provides an ESP32 S CPU a 2 mega pixel OV2640 camera and its interface...
I2S and sound Introduction In order to play audio files we need: the audio file itself, which we expect to be in uncompressed wav format a file system from...
The Magic Wand Example In the Magic Wand example a `magic wand` is used to paint digits into the air. An accelerometer and gyroscope is used to record the movement...
The Magic Wand Example Introduction The magic wand example shows how to detect gestures using an accelerometer. Different types of accelerometers are easily available...
Person detection withMicroPython Even though the final goal of this demo is to get images from a camera and to decide on the spot if there is a person in sight, the...
Exercise 10: A TFT Display and the ST7735 display controller Introduction The ST7735 is described in TFT Display on this TWiki. It comes with a big bunch of demo...
Using a second Serial Port On the ESP32 UART0 is normally reserved for interactive use with REPL. Sometimes we need a UART to communicate with external devices. Typical...
Solutions to Exercise 4: The I2C Bus and the SHT30 Temperature and Humidity Sensor Exercise 1: After initializing of the I2C bus with from machine import Pin,I2C...
TFT Displays Introduction A wide range of displays is available for use with the Arduino system. For the WeMos D1 mini system I found 3 display boards. Each of them...
TinyML Introduction Machine learning (ML) algorithms usually work on huge datasets and require an enormous amount of resources. On the other hand many mobile phone...
Wake word detection Introduction There are many examples of speech control devices in today`s homes, Amazon`s Alexa being a prominent example. These devices wait...
The T Watch Graphical User Interface and how to add your own applications and settings Introduction The ` firmware` is developed by Dirk Brosswick. It is a rather...
This is a complete re work of the Embedded systems course, given at the University of Cape Coast in 2017. While the original course was based on the C language we...
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