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Recent Changes in IoT_Course_English Web retrieved at 08:51 (GMT)

TCS3200 Color Sensor Introduction The TCS3200 color sensor comes on PCBs with slightly different layout: The main difference between these modules is that...
Statistics for IoT Course English Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top viewers: Top...
The Magic Wand Example Introduction The magic wand example shows how to detect gestures using an accelerometer. Different types of accelerometers are easily available...
The Sharp GP2Y1010AU0F sensor Connections The circuit diagram below is taken from the GP2Y1010AU data sheet. Here is the connection table: GP2Y1010AU0F WeMos...
Exercise 5: The I2C bus and the SHT30 Temperature and Humidity Sensor Introduction While the DHT11 uses a proprietary protocol the SHT30 make use of a standardized...
The SHT30 I2C Temperature and Humidity Sensor Introduction The SHT30 is a temperature and humidity sensor that communicates over the I2C bus. Typical accuracy for...
Exercise 3: Switches Introduction Switches exist in various incarnations. There are the simple mechanical switches: on/off or push button switches but there are also...
The Plantower PMS5003 The PMS5003 uses a serial interface with a baud rate of 9600 Baud. Here are the pin descriptions from the data sheet: The pinout table for the...
The Shinyei PPD42NS sensor This sensor emits a low occupancy time signal where the relative time the signal is in low state is measured. The connections as are follows...
Dust Sensors Introduction In order to measure air pollution dust sensors play an important role. They are often based on an optical system where light, scattered...
The virtual world example Introduction The virtual world example uses a TCS3200 color sensor and a HC SR04 ultrasonic distance meter. When a colored paper is placed...
The HC SR04 ultrasonic distance meter The emits an ultrasonic sound wave and measures the time it takes to travel to a target and back. Knowing that sound waves travel...
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...
The Hardware The CPU card The ESP8266 CPU card has the following pinouts: There are two different ESP32 CPU cards available for the WeMos D1 mini bus. The first card...
GUI programming with LVGL Introduction Very often, the microcontroller part of an IoT project allows user interaction only though the network connection, e.g. through...
Preparing a custom version of MicroPython with TensorFlow Introduction For work with ML algorithms I use the esp32 cam module because it is small, cheap and has...
Motors Introduction We have 3 different types of motors in our kit: DC motor: Used for continuous movement in either forward or backward direction and at different...
Motor exercises Introduction We have 3 types of motors that are used for different purposes and controlled in different ways: DC motor used in continuous movement...
Course on Internet of Things Exercises: Exercise 1: REPL and standard Python programming Exercise 2: LEDs and NeoPixel Exercise 3: Switches...
People Detection Introduction In this example we use a pre trained model to find out if a person is in sight of the camera, installed on our esp32 cam board. Before...
Preparing the PC for Tensorflow Setting up a virtual Python environment The procedure is described in https://www.freecodecamp.org/news/virtualenv with virtualenvwrapper...
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...
Course on Internet of Things Exercises Session 1: Introductory remarks: The scripts we are going to develop during this exercise session do not depend on any system...
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...
The Hello World example Introduction The Hello World example demonstrates a regression model implemented as a neural network with an input layer of a single scalar...
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...
IoT Course English Web Preferences The following settings are web preferences of the IoT Course English web. These preferences override the site level preferences...
Solutions to the Exercise 3: Switches Exercise 1: This is very similar to switching a LED on or off. Again a single GPIO line is used. This time however the pin in...
BMP180, the temperature and barometric pressure sensor The BMP180 The BMP180 is an I2C sensor by Bosch Sensortec, measuring the ambient temperature and the barometric...
Accessing the Python interpreter MicroPython MicroPython implements the Python 3.4 syntax. It is Open Source and can be downloaded from its GitHub repository . There...
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...
Exercise 9: ADC and DAC Introduction The ESP32 comes with two 12 bit ADCs and two 8 bit DACs. In this exercise we will see how to use them and what their limitations...
Analogue to Digital (ADC) and Digital to Analogue (DAC) conversion Introduction The ESP32 has two 12 bit SAR (Successive Approximation Register) Analogue to Digital...
LEDs and NeoPixel Introduction The ESP32 has 2 LEDs on board. The first one indicates power while the second one is user programmable. The user programmable built...
Lecture 4: DHT11 Temperature and Humidity Sensor CSC 321: Embedded Sysytem First Semester 2020/2021 The DHT11 PINOUT: The DHT11 has only 3 pins: Vcc...
Lecture 3: Switches CSC 321: Embedded Sysytem First Semester 2020/2021 Switches A Switch is a device which is designed to interrupt the current flow of electrons...
Virtual Instruments Introduction Measurement instruments like multi meters, pulse generators or oscilloscopes can be rather costly and the requirements for the IoT...
Infrared remote control Introduction The WeMos D1 mini series of sensor board includes an IR receiver and transmitter. On its back you can define the GPIO...
Lecture 2: LEDs and NeoPixel CSC 321: Embedded Sysytem First Semester 2020/2021 The ESP32 WROVER B MCU CPU Pinout Please note: The pin numbers IOxx on...
Lecture 1: Basic Python Programming Lecture 2: LED and Neopixels Lecture 3: Switches with ESP32 Lecture 4: Temperature and Humidity with DHT11 Lecture...
Lecture 1: Basic Python Programming CSC 321: Embedded Sysytem First Semeter 2020/2021 Introduction of Lecturers 1 Uli Raich Formally CERN, Geneva, Switzerland...
The weather app Introduction Several weather servers provide weather data and forecasts that can be used by a weather app . Here are the two I had a look into:...
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...
Solutions to exercise 10: TFT display Introduction The exercises on the TFT display can be implemented on the 1.4` display with its ST7735 controller or on 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...
Graphical User Interface on the IoT node Introduction The 2.4 ` display has a pixel resolution of 320x240 pixels. It is controlled by an ili9431 display driver and...
Solutions to exercise 9: ADC and DAC Exercise 1: As you can see on the photo, the joystick has 5 pins: Pin on Joystick Pin on ESP32 GND GND 5V...
Course on the Internet of Things Solutions to the exercises Exercise 1: Solutions to REPL and standard Python Programming Exercise 2: Solutions to...
Exercises on audio systems Article text. Comments
LVGL on the T Watch 2020 Introduction Since the t watch 2020 has a rather high resolution screen in combination with a touch panel, it is possible to run Graphical...

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Topic revision: r1 - 2006-11-15 - TWikiContributor
 
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