Crowtail – 3-Axis Digital Accelerometer (±16g) is a digital MEMS accelerometer with a wide measurement range and high sensitivity, based on the ADXL345 chip. Intended for projects requiring motion, orientation, and acceleration detection in robotics, safety systems, and interactive devices.

BOB-13906

A compact board with eight 12-bit DACs that allow precise voltage control on each output via I2C communication. Compatible with 3.3V or 5V, it offers flexibility with a reference voltage setting and STEMMA QT or Qwiic connectors for easy integration with other I2C devices. Adafruit 6223

Educational module for measuring force in the range from 30 g to 1.5 kg, based on a flexible material that responds with a change in the analog signal. Thanks to its small thickness (0.4 mm), fast response and compatibility with Arduino, micro:bit and Unihiker, it is ideal for teaching physics, engineering and DIY projects. DFRobot SEN0616

Compact module for program-free data transmission from sensors to IoT platforms, designed to work with Gravity: Science Data Acquisition (SCI DAQ). With 2.4GHz operation, support for various power sources and auto-reconnection function, the module provides stability and reliability in smart classrooms, environmental monitoring, agriculture and automation. DFRobot TEL0180

This sensor utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achieve non-contact liquid level detection; suitable for hazardous applications: detecting toxic substances and all kinds of liquid in an airtight container under high pressure. SEN0204

16-bit Microcontroller, Ultra Low Pwr, 16MHz, Comparator, A/D, D/A, 116kB Flash, 8kB RAM, TI, LQFP64, RoHS

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.

Waveshare DDSM Driver HAT (B) is an advanced hub motor driver for DDSM400 motors, based on the ESP32, featuring both wired (USB, UART) and wireless (WiFi, ESP-NOW) communication. It supports control of up to 6 motors using JSON commands and integrates with Raspberry Pi, making it a suitable solution for mobile robotics and multi-motor system projects.

Biaxial gyroscope for image stablilizing applications; LGA-12; STMicroelectronics; Compliance

Module with 8-digit 7-segment LED display. The board is equipped with a 74HC595 driver and communicates via a digital interface

3-Pin Female JST PH-Style Cable (30 cm) with Male Pins for 0.1" Housings

Piezoresistive digital pressure sensor; 260 ... 1260 hPa; CCLGA 10L; STMicroelectronics; Compliance

BMS protection module designed for 7 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

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.

DC-AC converter, also referred to as an inverter. It converts a constant voltage (DC) of 12 V to an alternating voltage (AC) of 110 V, 200 V, 220 V or 280 V

BLE Beacon, which emits Bluetooth Low Energy signals, enabling discovery by Bluetooth devices such as smartphones or ESP32 without the need for pairing. With a built-in I2C interface and an 11-bit ADC, it allows data collection from various sensors, and its low power consumption (650nA in sleep mode) ensures long-lasting operation on a single battery, ideal for applications requiring mobility and long range. DFRobot TEL0168

Crowtail-Mini PIR Motion Sensor 2.0 is a miniature digital PIR sensor with a built-in DSP and RFI filter, intended for motion detection in compact systems. It is used in alarms, lighting control and robotics.