Retro Prototyping, Great for Teaching

Retro Prototyping, Great for Teaching

“Have you ever wondered where the term “Breadboard” came from? Here’s an example of what breadboards were all about. In the early days of electronics, components were large and cumbersome. They didn’t have transistors or integrated circuits, only vacuum tubes. So it was common practice to build prototype circuits on a block of wood using nails or screws …

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One Transistor Audio for Pi Zero W

One Transistor Audio for Pi Zero W

“The Raspberry Pi Zero (and Zero W) are amazing devices for such a low cost. But they are missing one feature needed for many projects. That is sound. The only audio they have by default is via HDMI TV monitor. They support “earphone” audio, but lack the jack and audio filter circuitry that the bigger Raspberry Pi’s have. I …

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Led Cube 5x5x5 (Arduino Project)

Led Cube 5x5x5 (Arduino Project)

“In this project I will show you how to build a simpler version of a 5x5x5 LED Cube. I’m providing a full step-by-step guidance to show you how to make your own LED Cube, and I explaining in details both hardware and software parts in order to turn this guidance the simplest way that leads you to try your …

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3D-Printed Prank Vibrating Cup

3D-Printed Prank Vibrating Cup

“Picture the following: you have an nice white cup in front of you. It’s filled to the brim with sparkling, cool, and refreshing H20. Your fingers curl around the nicely curved handle, and you bring the cup to your lips. Suddenly, a strong vibration assaults the nerves in your hand, causing you to drop the cup and spill water …

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Physical Pattern Lock

Physical Pattern Lock

“The pattern lock of Android device fascinates me. From the inspiration of Android pattern lock I made a physical pattern lock using IR sensors and Arduino microcontroller. You can use the lock where some sort of security is required such as your home or office.” - Link

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How to Make Relay Circuit Board For Arduino

How to Make Relay Circuit Board For Arduino

“A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a separate low-power signal, or where several circuits must be controlled by one signal. The first relays were used in …

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DIY automatic solar charge controller

DIY automatic solar charge controller

“Today I am back with another project called DIY AUTOMATIC SOLAR CHARGE CONTROLLER. It’s an automatic switching circuit that used to control the charging of a battery from solar panels or any other source. It’s a 555 based simple circuits the charge the battery when the battery charge goes below the lower limits, and stop charging when the …

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