Crowtail – HTU21D Humidity & Temperature Sensor 2.0 enables accurate temperature and humidity measurement using the digital I2C interface. It is suitable for environmental monitoring projects, automation systems, and weather stations.

Active USB 3.0 Hub with 4 ports and a phone holder. It allows you to extend the number of USB ports on your computer and connect multiple devices at the same time

Module with 117x7 LED matrix display (77 LEDs). It uses the IS31FL3731 driver and communicates via the I2C interface. Pimoroni PIM442

Switch module with a maximum voltage of 40 V and a current of 10 A, based on a MOSFET transistor, HT0740 driver and I2C expander. It has a screw connection and a status LED. Pimoroni PIM455

Crowtail – Flame Sensor 2.0 is a module detecting infrared radiation and flame sources, operating in the range of 760–1100 nm. Intended for use in safety systems, robotics, and educational projects.

Crowtail – A6 GPRS/GSM Module enables data transmission, voice calls, and SMS messaging over the 2G network, integrating with Crowtail/Arduino systems. Ideal for remote IoT applications, automation, monitoring, and communication projects.

Module with 9-axis IMU sensor BNO055. It has a built-in processing chip that returns orientation in 3D space. Communicates via I2C. Adafruit 4646

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-0150-G

Crowtail – Current Sensor 2.0 enables AC/DC current measurement up to ±20 A using the ACS712 chip and generates an analog signal for further analysis. Used in energy-consumption monitoring systems, automation, and laboratory measurements.

Crowtail – BMP280 Barometer Sensor 2.0 is a compact digital sensor for measuring temperature, atmospheric pressure, and altitude, using the I2C interface. Intended for use in weather projects, mobile environmental systems, and consumer electronics.

Crowtail – Bluetooth-compatible Low Energy Module is a small BLE + EDR communication module intended for wireless data transmission in IoT and automation projects. It enables fast serial-interface connection with mobile devices or computers.

Snap-Action Switch with 50mm Lever: 3-Pin, SPDT, 5A

Module with a 10-channel AS7341 sensor that detects light in various wavelength ranges (color detection). It communicates via the I2C interface. Adafruit 4698

Digital audio amplifier dedicated to woofers. It has two channels with a power of 50 W each and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 8 to 25 V

A female-female cable, 50 mm long, terminated on both sides with a JST-ZH 2-pin plug. Suitable for micro DC motor modules. Pimoroni CAB1012

Zeenko ZK04-UM is a compact low-noise RF amplifier operating in the 100 kHz – 4 GHz range, powered via USB-C, featuring high linearity and low noise levels. Ideal for amplifying antenna signals or as a preamplifier for spectrum analyzers such as the tinySA ULTRA, especially above 3.5 GHz.

Module with a color LCD TFT display with a diagonal of 1.3" and a resolution of 240x240 px. Designed for minicomputers Raspberry Pi. Adafruit 4506

Zeenko ZK09-UM is a compact low-noise RF amplifier operating in the 100 kHz to 10 GHz band, powered via USB-C and equipped with on-chip bias technology. It provides high linearity, stable gain, and a wide operating bandwidth, serving as an alternative to popular microwave amplifiers in laboratory and measurement applications.