Ultrasonic distance sensor MB1000 with a range from 0 to 645 cm. It has an output in the form of a serial interface, an analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 723

ST13003A, High voltage fast-switching power transistor, NPN, 700 V, 3 A, SOT-32

Medium density advanced ARM™-based 32-bit MCU with 64 Kbytes Flash, LQFP64, STM, RoHS

Pin strip straight in yellow, double-breasted, female, 2x9, pitch 2.54mm, THT, RoHS. Set of 10 pieces PBD18S Yellow

The BLE 4.0 Bluetooth module with the CC2541 system has an integrated PCB antenna and an extensive AES security system. Thanks to the built-in system CC2541 from Texas Instruments, it is possible to create a project without the use of an additional microcontroller. modCC2541

Converter with a built-in microcontroller (MCU) and a CAN transceiver system. It can work with devices with an operating voltage of 3.3 V via goldpin connectors with a pitch of 2.54 mm. The converter facilitates the design and prototyping of devices based on the CAN bus. Waveshare WS-TTL-CAN

BMP390 is a compact, energy-efficient barometric pressure sensor with high accuracy, designed for precise altitude measurement and mobile applications. Thanks to its I2C/SPI interfaces and SMD mounting, it is widely used in embedded projects and wearable devices.

Extension module dedicated to matrix displays with HUB75 interface. Designed for minicomputers Raspberry Pi. Adafruit 3211

SIM7600G-H 4G CommunicaLTE Cat 4 module that supports wireless communication over LTE-TDD, LTE-FDD, HSPA+, GSM, GPRS and EDGE technologies. SMA antenna included. Waveshare SIM7600G-H 4G Module (B)tion Module, Multi-band Support, Compatible with 4G/3G/2G, With GNSS Positioning. SIM7600G-H 4G Module (B)

Mini keyboard with three keys (default "Ctrl", "C" and "V") with the possibility of reprogramming the functions performed. It uses the RP2040 microcontroller from Raspberry Pi and offers RGB backlighting. Connects to your computer via a USB Type-C port. Waveshare RP2040-Keyboard-3

A GFSK transceiver operating in the ISM 2400 ... 2483.5 MHz frequency range. Powered by a voltage of 1.9 ... 3.6 V, the pins are goldpin connectors. It has a built-in PCB antenna. HOPE MICROELECTRONICS RFM75-S

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

The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5271

Universal plate, prototype 800 contact fields, size 125x160 mm on a metal stand. WBU-502L

LoRa module based on Semtech SX1262 chip, supporting 868/915 MHz band and providing stable operation thanks to the use of TCXO. It is characterized by transmit power up to 22 dBm, receiver sensitivity -136.73 dBm and low power consumption, which makes it ideal for battery-powered IoT devices. Seeed Studio 114993390

A connector that allows you to connect the cable to the existing installation without having to cut the cable. Suitable for wires with a cross-section of 0.5-1.5mm2

Crowtail-Rotary Angle Sensor 2.0 is an analog rotary-angle sensor with a 300° range, ideal for value adjustment in electronic projects. It is used in lighting control, volume regulation and user interfaces.

DC-DC step-down converter module 5V 16A used to convert energy from 6-24V input voltage to stable 5V, providing up to 16A current. Thanks to high conversion efficiency (over 90%) and low ripple (<20mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1202