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Battery capacity tester with white LCD display. It can work with lithium and lead-acid batteries

Hermetic enclosure ZP120.60.45UJpH TM ABS-PC with transparent cover, gasket, and brass sleeves intended for applications requiring protection of electronic devices against environmental factors and allowing visual inspection without opening the enclosure.

Finder 46.52.9.012.0040 is a reliable DPDT relay, operating at a coil voltage of 12V DC, capable of switching currents up to 8A at 250V AC on each of its two contacts. Its robust construction and standard socket mounting leads ensure long-term and stable operation in various conditions.

Set of Yato YT-83147 fuses designed for protecting electrical circuits, including three fuse types and a wide range of current ratings. Yato YT-83147

A module with a 3-axis magnetometer based on the BMM150 chip. It communicates via an I2C interface. DFRobot SEN0529

Arduino LCD Shield with a 4 digit 7 segment digital tube display (common cathode). DFR0382

Hermetic enclosure ZP120.120.60UJpH TM PC with transparent cover, gasket, and brass sleeves intended for securing electronics in applications requiring protection against external factors and constant interior visibility without the need to open the enclosure.

Sound module supported by I2C interface, which allows to generate sound signals in simple projects thanks to Qwiic system and ATtiny84 microcontroller. With support of Arduino libraries, users can control volume, frequency and duration of sound, which makes it ideal for applications such as alarms or signals in robots. SparkFun BOB-24474

Enclosure ZP120.60.45SUJ-IP67 TM ABS made of ABS material, with molded gasket and brass sleeves, provides IP67-level sealing. Intended for protecting electronic devices in environments exposed to dust and water.

Multi-functional USB tester. It allows you to check the voltage and current flowing through the USB socket and to control the capacity, energy, temperature and impedance. UM25

A 24-channel input/output port expander module controlled by an I2C interface. It was based on the CH423 chip and equipped with a Gravity connector. DFRobot DFR0979

Multifunction USB tester. It allows you to check the voltage and current flowing through the USB socket and to control the capacity, energy, power, temperature, time and impedance. MX18USB

A push-button module with RGB LED backlighting. The board is equipped with a Gravity connector and communicates via an I2C interface. DFRobot DFR0991

A set of tools for building a LAN network is an inseparable kit for every LAN cabling installer.

Enclosure ZP120.60.45UJp TM ABS-PC with transparent cover and brass sleeves intended for housing electronic devices, providing easy visibility of internal components without the need to disassemble the enclosure.

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25467

0.95inch RGB OLED, SPI interface, curved/horizontal pinheader

Flexible 4-wire 500mm cable terminated with a Qwiic plug on one end and a STEMMA plug on the other. Sparkfun CAB-25596

The 6-55V 200W Step-Up Converter Module is a device that converts a DC input voltage (6-35V) to a higher DC output voltage (6-55V) with a maximum input power of 200W, a maximum input current of 10A and a maximum output current of 7A. It offers a high conversion efficiency of up to 97.6% and it is recommended to keep a margin when operating for long periods to avoid overheating.