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 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...
The sensors and actuators used during the course MicroPython drivers For many of the devices we will use during the course the drivers are already included in MicroPython...
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...
Seven Segment Display and Keypad The Seven Segment Display and its TM1637 controller There is a nice and simple seven segment display controlled by a TM1637 controller...
The Sharp GP2Y1010AU0F sensor Connections The circuit diagram below is taken from the GP2Y1010AU data sheet. Here is the connection table: GP2Y1010AU0F WeMos...
Lecture 1: Basic Python Programming Lecture 2: LED and Neopixels Lecture 3: Switches with ESP32 Lecture 4: Temperature and Humidity with DHT11 Lecture...
Solutions to Exercise 2: LEDs Exercise 1: Here is the screen dump of a REPL session switching the builtin LED on and off: Exercise 2: This is the most simple program...
Solutions to Exercise 1: REPL and standard Python programming Exercise 1: Use of REPL The screen shot shows the REPL session Exercise 2: A simple calculator In the...
Solutions to Exercise 9: Real Time Clock and Data Logging Exercise 1: Since connecting to the Internet through WiFi is a very common task, we develop a module doing...
Solutions to exercise 13: Seven Segment display and Keypad The Seven Segment Display and the TM1637 controller chip Exercise 1: The driver and its test program Writing...
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...
Solutions to exercise 4: The DHT11 Temperature and Humidity Sensor Exercise 1: The solution to the exercise is quasi already given in the manual. All you need to...
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...
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...
Web Notification This is a subscription service to be automatically notified by e mail when topics change in this 1 web. This is a convenient service, so you do...
The st7789 lvgl display driver The display driver for the t watch is extremely simple. It provides a frame buffer for lvgl to draw into and it has a flush method to...
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...
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...