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They say that whoever works – makes mistakes. Well so do we! We have an old circuit board that we rest from unsuccessful projects or are simply a bug. There has excess PCBs of prototype products or serial products that are no longer manufactured. You will find everything, not necessarily functional 🙂

Use these chips to practice soldering on them, like a keychain or decoration for the wall. Give them to a friend. Make your next project on them. Let your imagination run wild 🙂

Note: Do not take these printed circuit boards as functional. We can not offer technical support for them. Some of them may have a number of brazed components.

Simple SMD switch with three pins, convenient for tiles that do not need frequent changing of the switch. We recommend using it instead of jumpers.

The classic Micro USB cable which fits most modern Android smartphones, but also our new development boards.

7-segment display is classical with common cathode, often used and already familiar component. Size of the digit on the display is 0.56inch and the light it transmits is red. The display has a common cathode.

LM 7805 is often used 5V linear regulator, this one is in the THT version.

Well known and popular 8-bit Atmel microcontroller which is used on the majority of modern Arduino boards as well as on Dasduino. This one is the SMD version, just as the one on Dasduino, which is used for soldering on PCBs and for usage in projects.

5mm diffused LED diodes are great for experimenting and trying new things, which is why they are included in our Dasduino Beginner Kit (DBK)!

Large pushbutton will often be more practical than the small one (classic pushbutton). With dimensions of 12mm x 12mm it can be pushed in the breadboard, but it is also suitable for ordinary drill boards.

Screw terminal for PCB with the legs width of 5mm with 2 contacts.

LCD display with one ST7920 controller displays text, symbols or any other characters that are a product of Croduino/Arduino. With an ability to display 128 characters in 64 rows, it will find its usage in many projects that are required to show clear and readable output information.

Mini breadboard for beginners or for fast prototyping.

The colors on offer are green, blue, red, white and black. We send them out randomly so you could get any of them. If you prefer a specific one, leave a message with your order letting us know which one and we’ll try to fulfill your wish. 🙂

LCD display with HD44780 controller enables showing text, symbols, value or anything else that comes from Croduino/Arduino. It is capable of showing 20 symbols in four lines and therefore can be used in many projects that need to send clearly visible and legible output information.

This driver for stepper motor enables control over a stepper motor that does not require more than 500mA of current and works at 5V-12V voltage. Except for the driver, it has built-in LED lights that indicate which phase of the motor is currently active. Connecting on Croduino/Arduino is simple, and control is directly through the library.

RFID is a kind of communication where the information is transferred wirelessly. Nowadays it is more and more popular and can be found in numerous and different kinds of cards: driver’s license, access control to facilities, public transport, etc. This module brings in that kind of communication to Croduino, a reader reads off information from the RFID card or tag and sends them to Croduino through SPI communication.

LED matrix 8×8 is a system of 64 mutually connected LED lights which use MAX7219 driver to light the way they are programmed, and all that is on one board and is really simple to use. You can use them for printing letters or symbols, showing texts and similar. It is possible to connect more modules with just a few wires and control with more matrixes at once.

DHT11 is the simplest temperature and humidity sensor that can find. It connects to Dasduino in a very simple way using just one code (video below) and gives you back two variables as temperature and humidity.

It does not require extra calibration to work, just plug it in and use it. Look up the library for it in the TUTORIAL section.

A female connection that is usually found on our power supplies. For use with our controllers and amplifiers.

This kind of LED strip is unique because each of its diodes has a built-in IC which is able to turn on an LED in 16 000 000 different colors. IC is WS2812 and can control a thousand of these diodes by using just one wire. With this strip, you can create interesting things with minimum effort. This strip is easily controllable by Dasduino.

The whole package comes with 5m of LED strip.

LM317 is one of the most commonly used adjustable voltage regulators. Its voltage is adjustable from 1.7 to 37V, and all that while using 1.5A.

2N2222 is the most basic NPN transistor that you can find and it can be found in our Dasduino Beginner Kit. It can be used for amplifying Dasduino’s current, as a switch or anything else that you would like to do with the BJT transistor.