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Dentist Entrance Exam 2023: Solutions
In this video, the first three mathematics questions of the 2023 dental entrance exam are discussed and solved:
- question 1: second degree equation;
- question 2: area of a circle;
- question 3: average.
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Derivatives: Explanatory videos
Videos in which the theory of derivatives is explained and some example exercises are worked out. In this playlist you will find:
- the limit definition;
- the derivative of some elementary functions;
- the derivative of a product;
- the derivative of a …
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Geothermal heat: Possibilities as an energy source
Did you know that geothermal heat is multifunctional? If the temperature of the underground water is high enough, we can generate electricity and heat buildings: handy!
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Arduino lesson 22: Motion sensor
In this Dutch-language Arduino tutorial for beginners you will learn how to read an HC-SR501 motion sensor (PIR).
You can download the course material, the code and the parts list on Arduino lessons .
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Arduino lesson 21: Rear segment display
In this Dutch-language Arduino tutorial for beginners you will learn how to control a MAX7219 8-Digit LED Display and how shift registers work.
You can download the course material, the code and the parts list on Arduino lessons .
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Arduino lesson 20: Reading out light-sensitive resistance
In this Dutch-language Arduino tutorial for beginners, I will teach you how to read a light-sensitive resistor (LDR).
You can download the course material, the code and the parts list on arduino-lessen.nl .
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Arduino lesson 19: Reading out the RFID card
In this Dutch-language Arduino tutorial for beginners, I learn how to read RFID cards on your Arduino with the RC522 RFID reader.
You can download the course material, the code and the parts list on arduino-lessen.nl .
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Arduino lesson 18: Graphic 128x64 OLED display with SSD1306 controller
In this Dutch-language Arduino tutorial for beginners, I will teach you how to control a 128X64 I2C OLED display with U8g2.
You can download the course material, the code and the parts list on arduino-lessen.nl .
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Arduino lesson 17: Voltage sensor
In this Dutch-language Arduino instruction video for beginners you will learn how to read a voltage sensor of 0-25V.
You can download the course material, the code and the parts list on arduino-lessen.nl .
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Arduino lesson 16: Graphical 128x64 SPI LCD display with ST7920 controller
In this Dutch Arduino instruction video for beginners you will learn how to run the U8g2 graphic test on a graphic SPI 128x64 LCD display with ST7920 controller.
On arduino-lessen.nl you can download the teaching material, the code and the …
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Arduino lesson 15: Making a long press push button
In this Dutch-language Arduino instruction video for beginners you will learn how to make a long press push button.
You can download the course material, the code and the parts list on arduino-lessen.nl .
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Arduino lesson 14: 28BYJ-48 stepper motor with ULN2003 driver
In this Dutch language Arduino tutorial for beginners you will learn how to run a 28BYJ-48 stepper motor with ULN2003 motor driver.
You can download the course material, the code and the parts list on arduino-lessen.nl .
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