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Fun with Arduino

Arduino Starter Kit and More

Tag: tutorial

Fun with Arduino 40 Station Platform Departure Display with Analog Clock

ImageSeptember 23, 2019February 14, 2020 RudyB18 Comments

Now that we have the OLED screen working (see previous video) we can do something fun with it for an HO model railway: a station platform train departure display, with an analog clock that really works. The 128×32 pixel display is just a little bit on the tall side for HO scale, but it doesn’t […]

Fun with Arduino 39 OLED Display SSD1306

ImageSeptember 9, 2019September 9, 2019 RudyB4 Comments

We’re going to add a 128×32 I2C (4 pins) OLED to the distance measurement unit of the previous video to show the distance measured plus a bar graph. An Arduino Nano will be used this time, mounted on a breadboard. Together with the ultrasonic unit, the OLED and a 5V USB battery pack we have […]

Fun with Arduino 38 Ultrasonic Distance Measurement with HC-SR04

ImageAugust 19, 2019August 19, 2019 RudyBLeave a comment

The HC-SR04 is a nice little less than $1,- device that can be used to measure distance. It contains a loudspeaker and a microphone. When we send a pulse to its trig input, it will output an ultrasonic (40kHz) sound burst. It then measures the time it takes for the echo to return. We can […]

Fun with Arduino 37 Control a NEMA 17 Stepper Motor with Easy Driver

ImageJuly 8, 2019July 8, 2019 RudyB12 Comments

Some applications may need a stronger stepper motor, one that can deliver more torque. The picture shows a NEMA 17 stepper. It’s a form factor (it means the size is 1.7 x 1.7 inch) in which a range of motors with different specifications is available. They are widely used in (DIY) 3D printers and NC […]

Fun with Arduino 36 Store Data in EEPROM

ImageJuly 1, 2019July 8, 2019 RudyB2 Comments

The turntable application of video 35 expects to first run the ‘find zero’ routine after startup in order to have a reference position from where step counting starts. Suppose after every move we could store our current position in non volatile memory? At startup we can now read the stored position out of memory and […]

Fun with Arduino 35 Turn Table Control with Stepper Motor

ImageJune 17, 2019 RudyB10 Comments

With the ingredients of previous two videos, find zero and rotate an exact amount of steps, we’re able to control a turn table that has multiple stop positions. We need to find out how many steps it takes, counting from the zero point, to reach every position. We’ll use a separate ‘Tuning’ sketch for this. […]

Fun with Arduino 34 Stepper Motor Control Rotate Exact Amount of Steps

ImageJune 13, 2019June 16, 2019 RudyB4 Comments

With the code of the previous video 33 we are able to ‘zero’ the stepper motor. From that point on we can position the motor by counting up or down an exact number of steps. This way we can accurately position, say, a turn table or an elevator, or anything we like. For most applications […]

Fun with Arduino 33 Stepper Motor Control Find Zero Switch or Sensor

ImageJune 6, 2019June 6, 2019 RudyB1 Comment

A stepper motor does not know where it is after power up. If we want to use a stepper for accurate positioning, we first have to define its ‘zero’ point. This can be done by slowly rotating the motor until a sensor or a micro switch is activated. In this video we will add such […]

Fun with Arduino 32 Stepper Motor Change Direction and Control Speed

ImageMay 31, 2019 RudyBLeave a comment

Now that we have our stepper motor running we can add some extra features, like: change direction change speed rotate an exact amount of steps for accurate positioning Read on below the video …   To change direction and to also show a direction indicator LED, a function is created. There’s no real need to […]

Fun with Arduino 31 Stepper Motor with 4 Input Driver, using a Function()

ImageMay 23, 2019June 15, 2019 RudyB1 Comment

With some applications it can be useful to use a stepper motor in stead of a servo. For instance when a continuous rotation is required to rotate, say, a wind mill model. Also with applications like a turn table, a linear shift table or an elevator, a stepper motor can be of great help … […]

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Recent Posts

  • Fun with Arduino 42 Railway Crossing Multi Track Two Way
  • Fun with Arduino 41 Station Platform Display with Real Time Clock DS1307.
  • Fun with Arduino 40 Station Platform Departure Display with Analog Clock
  • Fun with Arduino 39 OLED Display SSD1306
  • Fun with Arduino 38 Ultrasonic Distance Measurement with HC-SR04

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