Blogs:
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GROVE STARTER KIT FOR ARDUINO -Girls‘ Day 2026 Workshop
As part of a Girls‘ Day program, my daughter and I are preparing a workshop using the Grove-Starter Kit for Arduino. The Grove Kit comes with several sensors that are easy to connect and a shield to connect these modules directly to…
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Bluefruit Interface with Accelerometer and Bluefruit-App
My daughter and I made two interfaces for a theater play using two Circuit Playground Bluefruit from Adafruit and an additional NeoPixel Ring with 24 LEDs (also from Adafruit). The play was called Herzstillstand performed by the group Blue Art e.V. All…
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Simple Timer with LEDs and speaker
inspired by the Arduino Starter Kit example #8: ‚The Digital Hourglass‘, my daughter and I made a simple tea timer using two push buttons to enter two different desired times: 3 minutes and 5 minutes. After pressing any of the push buttons…
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Boldport Kits – The Tap and the Cordwood Puzzle Too
Boldport sells many interesting soldering kits, inspired by old famous circuits. We got two of them: We are using „The Tap“ (a touch sensor circuit) to turn on three of the eight LEDs from the „Cordwood Puzzle Too„. The Tap – a…
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Counter with 7-Segment-Display and two push buttons
My daughter and I made a simple counter with two push buttons. When you press one of the push-buttons you increase the number shown on the 7-segment-display. When you press the other push-button you decrease the number shown on the 7-segment-display. Material:…
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App for Arduino+Bluetooth HC-05
My daughter and I created an App in order to control an Arduino UNO via Bluetooth. The Arduino then controls a servo-motor and an UV LED. The initial idea came from a theater play. Materials: Arduino UNO Bluetooth modul HC-05 ( for…
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Fun to Play with …
Circuit Playground + Code.org Der Circuit Playground von Adafruit ist eine kleine Arduino-basierte Platine, mit verschiedenen eingebauten Sensoren, RGB-LEDs, Summer und Taster. Auf der code.org Website kannst du verschiedene Kurse machen und deine eigenen Apps kreieren, um mit dem Circuit Playground zu…
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Disco Lights Wearable
Using a Gemma M0 from Adafruit, a Neopixel Jewel and an ALS (Ambient Light Sensor) my daughter and I build up this wearable as Disco Lights. Here is a video: MATERIALS: ° Gemma M0 from Adafruit ° NeoPixel Jewel ° Ambient Light…
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Greeting Puppy
Here is a prototype for a greeting puppy using an Arduino, an ultrasonic sensor (for the eyes) and a servomotor (for the tail). The puppy will wiggle its tail faster as you come closer 🙂 – the wiggle speed depends on how…
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Schadensvermeidende Regeln
1. Pluspol (+ rote Kabel) und Minuspol (– schwarze Kabel) von der Batterie sollten sich nicht berühren!!! Achte darauf, dass alle Verbindungen richtig sind bevor du die Batterie verbindest!!! 2. LED immer mit Widerstand verwenden, sonst brennt die LED durch (geht kaputt):…
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Magic 8 Ball – Arduino Kit Example
The Arduino Starter Kit comes with many examples for beginners. The Crystal Ball example is based on the famous mechanical toy called the Magic 8 Ball. The associated code is included on the Arduino IDE. To open the code on the Arduino…
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Holiday cards with LEDs
If you enjoy tinkering with your kids or on your own, here are some ideas to light-up your self-made holiday cards. You will need some LEDs, copper tape and a CR2032 cell battery. I like to use axial LEDs because they are…
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