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ESD (ElectroStatic Discharge) or static electricity is a phenomenon where electricity flows suddenly between two electrically charged objects that are in touch or near each other. You experienced it, most likely,  when you touched something and felt “current” hurting you. Other than being unpleasant, there are no major consequences caused by ESD. But in electronics, ESD is very dangerous and can destroy your components and semiconductors.

This is where antistatic bracelet helps. If its other end is properly terminated to ground, it means that you are too. Through the 1M resistor, current flows to ground where it safely “goes” without being felt, and there won’t be any damage to components. It is always recommended to wear an anti-tatic bracelet whilte working with electronics.

Cable with classic “Crocodile” (crocodile or alligator connectors) on one end and a male 2.1mm DC connector on the other end for power supply connection.

Caps for THT potentiometer from our store that would make control much easier and would simply just look better.

Cable with classic “Crocodile” (crocodile or alligator connectors) on one end and a USB connector on the other end to connect on USB type of power supply.

Cable with classic “Crocodile” (crocodile or alligator connectors) for power supply connection or any other two signals.

The 8xAA battery holder with DC connector is a high-capacity, portable power solution for electronics projects. It accommodates eight AA batteries in series, providing a nominal 12V output, ideal for microcontrollers, motors, LED strips, and other 12V devices. The integrated 5.5mm × 2.1mm DC barrel jack simplifies connection to standard power inputs, allowing quick setup without additional wiring.
 
Designed for convenience and reliability, the holder features a secure battery compartment with a sliding cover for easy replacement and an on/off switch for immediate control. Its robust construction ensures consistent electrical contact and durability, making it suitable for both prototypes and finished projects.
 
Perfect for robotics, portable sensor nodes, amateur radio setups, and mobile installations, this battery holder offers a flexible, reliable power source. Combine it with your Qwiic-enabled systems or standalone electronics to ensure a stable 12V supply wherever your project goes.

Plastic holder for three AA batteries with two mounting holes. Connects batteries into series.

• Battery size: AA
• Number of batteries: 3

Plastic holder for four AA batteries with four mounting holes. Connects batteries into series.

• Battery size: AA
• Number of batteries: 4

Plastic holder for five AA batteries with two mounting holes. Connects batteries into series.

• Battery size: AA
• Number of batteries: 5

Plastic holder for six AA batteries with two mounting holes. Connects batteries into series.

• Battery size: AA
• Number of batteries: 6

The digital voltmeter displays connected voltage using 7-segment characters.It contains three figures and measures up to 30V DC with precision of 1%. It is powerd by same wire at which it measures voltage making it easier to connect. On it sides it has two mounting holes.

• Measuring range: 5.0V – 30V
• Step: 0.1V
• Precision rate: 1%
• Voltmeter’s operating voltage: 5.0V – 30V
• Character color: red
• Dimensions: 23mm x 15mm x 10mm

Matrix keyboard is a system of 12 buttons that are interconnected that allowes us a more complex data input on Croduino/Arduino. With this keyboard you will create whole systems of menus, data entry and settings of various parameters.

• Dimensions: 70 x 50 mm

Copper board used for making your own PCBs.

• Number of layers: 2
• Material: FR4
• Copper thickness: 35um
• Dimensions: 150 x 100 mm

Copper board used for making your own PCBs.

• Number of layers: 1
• Material: FR4
• Copper thickness: 35um
• Dimensions: 150 x 100 mm

A 1M variable resistance potentiometer that fits the breadboard, but can also be built into the case due to the increased size. They can be used for various types of control, eg. adjusting how bright the LED is.

A 100k variable resistance potentiometer that fits the breadboard, but can also be built into the case due to the increased size. They can be used for various types of control, eg. adjusting how bright the LED is.

10 pieces pack of crystal white LEDs.

DC motors can be inconvenient to use on low speed. With the help of mechanic and transfer using sprockets speed of this motor is slowed to a remarkably small speed. It is used for precise control over many mechanisms from robot wheels to precise mechanics.

• Voltage: 3V
• Axle diameter: 3mm
• Dimensions: 12mm x 10mm x 36mm

An aluminum platform with four mountable rubber wheels and four DC motors. Because it’s easy to assemble, it’s great for various hobby and school (robotic) projects. There are many more slots on the platform for various position and distance sensors, LEDs, batteries and controllers.

• Material: aluminium
• Type: for four wheels
• Motor voltage: 3V – 6V
• Contents: four wheels with gearbox, aluminium plates, required screws and standoffs, battery holder