BNC Socket to MCX Plug Adapter allows connecting probes with a BNC tip to oscilloscopes with an MCX socket, such as FNIRSI models. With an impedance of 50 Ω, it ensures compatibility with most measurement and RF systems, facilitating the integration of measuring equipment in an electronics workshop.

Angular contact strip in black, double-breasted, female, 2x5, pitch 2.54mm, THT, RoHS. PBD10R. Set of 10 pieces

Black goldpin strip connector, 1x13 pins. Simple, for through hole assembly. 1.27 mm pitch. PBHS13S. Set of 10 pcs

The ADA4620-1ARZ is a precision JFET-input operational amplifier offering ultra-low input bias current, low input offset voltage, wide bandwidth, and high slew rate. With support for supply voltages up to ±18 V and rail-to-rail output, the device is suitable for measurement systems, transimpedance amplifiers, test equipment, and data acquisition systems. The ADA4620-1ARZ is designed for applications requiring high precision, low noise, and stable performance across a wide temperature range.

RS485 bus transceiver controlled via USB, equipped with FT230 chip, USB-C connector, ST485BDR controller for 64 devices, galvanic isolation, overvoltage protection and RS485 bus terminator option, ensuring effective and safe communication in industrial systems

modNRF905 is a versatile RF transceiver module operating in three ISM bands, ideal for remote communication between devices in IoT systems, automation, and remote control. With low power consumption, fast channel switching, and an included antenna, it provides stable and energy-efficient wireless connections.

This SPST solid-state relay module allows for safe switching of DC circuits up to 30 V and 11 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable insulation and long service life. Pololu 5421

ARM Cortex-M3 CPU, 32kB Flash, 6kB RAM, 2xUART, I2C, SPI, ADC, STM, LQFP64, RoHS

This SPST solid-state relay module allows for safe switching of DC circuits up to 60 V and 7 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable isolation and long service life. Pololu 5420

This module provides precise, galvanically isolated current measurement within a range of ±30 A and voltage up to 480 VRMS, providing RMS, instantaneous, and active, reactive, and apparent power readings. Equipped with an I²C interface, 4-pin JST SH connectors, and 2.54 mm pins, it allows for easy integration with Qwiic, STEMMA QT, and standard microcontrollers. Configuration stored in EEPROM allows for defining address and overload thresholds. The sensor offers three voltage measurement ranges (120 V - default, 240 V, 480 V RMS) and the ability to detect overvoltages. Built-in protection and low conduction resistance ensure safe and accurate measurements. The version comes with soldered screw terminals and a 240 Vrms jumper. Pololu 5412

This module provides precise, galvanically isolated current measurement within a range of ±30 A and voltage up to 480 VRMS, providing RMS, instantaneous, and active, reactive, and apparent power readings. Equipped with an I²C interface, 4-pin JST SH connectors, and 2.54 mm pins, it allows for easy integration with Qwiic, STEMMA QT, and standard microcontrollers. Configuration stored in EEPROM allows for defining address and overload thresholds. The sensor offers three voltage measurement ranges (120 V - default, 240 V, 480 V RMS) and the ability to detect overvoltages. Built-in protection and low conduction resistance ensure safe and accurate measurements. The version comes with soldered screw terminals. Pololu 5411

This module provides precise, galvanically isolated current measurement within a range of ±30 A and voltage up to 480 VRMS, providing RMS, instantaneous, and active, reactive, and apparent power readings. Equipped with an I²C interface, 4-pin JST SH connectors, and 2.54 mm pins, it allows for easy integration with Qwiic, STEMMA QT, and standard microcontrollers. Configuration stored in EEPROM allows for defining address and overload thresholds. The sensor offers three voltage measurement ranges (120 V - default, 240 V, 480 V RMS) and the ability to detect overvoltages. Built-in protection and low conduction resistance ensure safe and accurate measurements. Pololu 5410

AVR, 16kB Flash, 1kB RAM, 512B EEPROM, DIP28, RoHS

A USB-to-I2C adapter that allows a computer to act as an I2C bus controller, supporting speeds over 1 MHz, clock stretching, and bidirectional communication. The device offers full galvanic isolation between USB and I2C, protecting the computer from damage and interference, and provides an isolated 3.3V or 5V voltage, eliminating the need for an external I2C power supply. With JST SH and goldpin connectors, USB-C support, a virtual serial port, and a Python library, the adapter is a versatile tool for working with I2C devices in both hobbyist and professional projects. Pololu 5397

An H-bridge capable of controlling one DC motor in both directions or two unidirectional motors at voltages from 4.5 to 44 V and continuous current up to 1.1 A. The module offers three operating modes (PH/EN, IN/IN, half-bridge), built-in current limiting and measurement, and protection against overheating, overload, undervoltage, and reverse polarity. Its compact design, flexible logic power supply (1.8–5.5 V), and simple control make it ideal for robotics, automation, and hobby projects. Pololu 4972

Bipolar stepper motor driver operating at voltages from 8 to 50 V and currents up to 8 A/phase (11 A with cooling). The DRV8711 driver with an SPI interface offers 9 stepping modes (up to 1/256), current configuration, stall detection, and protection against short circuits, overloads, and reverse polarity. Compatible with 1.8–5 V logic, it is ideal for CNC machines, 3D printers, and robotics. Pololu 3731