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Reflective Optical Sensor with Transistor Output, Vishay, RoHS

7-segment LED display, 1 digit 38.10 mm, blue light (470nm), 12 mcd (10mA), common anode, Pb-free. LED1-AS-B-15011BMB

7-segment LED display, 1-digit 45mm, amber (605nm), 15mcd (10mA), common anode, Pb-free. LED1-AS-B-18011BMA

A set of 100 M2.5 screws with a length of 8mm with Philips head

SparkFun DEV-10914 is a compact development board with an ATmega328 and 3.3 V logic level, equipped with basic protection and designed to work with an external USB–UART interface. It is suitable for applications requiring cooperation with low-voltage modules.

The muRata CR1220 lithium battery is a 3V button cell with a 40 mAh capacity, used in low-power electronic devices such as remote controls and watches. Its dimensions are 12.5 mm in diameter and 2 mm in height.

A set of 20 M2.5 screws with a length of 8mm with Philips head

A set of 10 M2.5 screws with a length of 8mm with Philips head

The CR2032 3V lithium battery with a capacity of 210 mAh is a reliable power source, commonly used in electronic devices such as computer motherboards (BIOS), calculators, and remote controls. The vertical version with soldering leads is ideal for mounting on printed circuit boards, ensuring stable connections and long-lasting performance.

A set of 100 M2.5 screws with a length of 6mm with Philips head

A set of 20 M2.5 screws with a length of 6mm with Philips head

A set of 10 M2.5 screws with a length of 6mm with Philips head

An adapter for signal analysis during data transfer to a microSD card. The adapter allows you to connect a signal analyzer or other device in parallel to the system working with a microSD card. SparkFun TOL-09419

The Step-Up Buck Voltage Regulator module with output voltage of 3.3V and input voltage range of 1-3V and a maximum output current of 200 mA. SparkFun PRT-10967

The WeevilEye is a through-hole soldering kit designed for the beginner. It has a low parts count so even young kids can easily complete it. Once it’s put together the red LED “eyes” light up brighter or darker according to how much light is getting to the photosensor. KIT-10723

ROB-09454 - QRE1113 Line Sensor Breakout - Digital

A small module with QRE1113GR reflective sensor. The sensor is made of IR LED and phototransistor IR. With its help, it is possible to determine the brightness of the position over which it is located, it can be used, for example, to detect a black line in Linefollower robots. SparkFun ROB-09453

This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications. DEV-09716

Threaded hexagonal bushing type M3, sleeve length 6mm, female-female. The sleeve is made of white polyamide, Fix & Fasten, RoHS

7-segment LED display, 1-digit 45mm, bright green (575nm), 15mcd (10mA), common anode, Pb-free. LED1-AS-B-18011BMG