A module with an electret microphone, amplifier and ADC converter dedicated to micro: bit. It communicates via the I2C interface. SparkFun SEN-15289

7‑PIN trailer socket made of plastic, designed for 12/24 V installations. Offers durability and resistance to external conditions, ideal for vehicles with a tow bar.

Module with a 3-axis H3LIS331 accelerometer with a wide measurement range up to ± 400g. It communicates via the I2C or SPI interface. SparkFun SEN-14480

Module for high temperature measurement with a range from -200°C to 700°C dedicated to a probe with a K-type thermocouple. Communication via SPI. SparkFun SEN-13266

ARM7TDMI, 512kB Flash (ISP), 32kB RAM, USB 2.0, ADC, DAC, 2xUART, 2xI2C, SPI, LQFP64, RoHS

PNP Darlington Transistor, TO92, Fairchild Semiconductor, RoHS

Pololu 5655 is a JST PH and SH 4-pin connector adapter designed for systems based on a 2.54 mm pitch. With the side-entry PH connector and compact design, it is suitable for applications requiring low-profile mounting and four-channel signal or power connections.

Pololu 5654 is a four-channel JST PH and SH connector adapter for systems based on a 2.54 mm pitch. It facilitates the integration of signal and power wires in prototyping projects and electronic devices where 4-pin connectors are required.

A simple adapter with a microUSB type B connector for goldpin with a 2.54 mm pitch. Perfect for use with a breadboard. SparkFun BOB-12035

Pololu 5650 is a JST PH and SH 2-pin connector adapter designed for integration with prototyping boards and modules with a 2.54 mm pitch. It allows conversion between JST PH and SH standards and enables quick wire connections in power and communication projects.

A stepper motor driver for precise control of bipolar motors, offering six microstepping modes (from full to 1/32). It operates within a voltage range of 8.2V to 44V and delivers up to 1.5A per phase without cooling or up to 2.2A with a heatsink/fan, ensuring smooth and stable operation even at high speeds. Compatible with the popular A4988 and DRV8825 drivers, with an integrated regulator and overheating, overload, and short circuit protection, the TB67S581FNG is a reliable and versatile solution for applications requiring precise motion control. Pololu 2989

A stepper motor driver for precise control of bipolar motors, offering six microstepping modes (from full to 1/32). It operates within a voltage range of 8.2V to 44V and delivers up to 1.5A per phase without cooling or up to 2.2A with a heatsink/fan, ensuring smooth and stable operation even at high speeds. Compatible with the popular A4988 and DRV8825 drivers, with an integrated regulator and overheating, overload, and short circuit protection, the TB67S581FNG is a reliable and versatile solution for applications requiring precise motion control. Pololu 2988

Module with a digital distance sensor with a range of up to 15 cm. It has a digital output that goes low when an object is detected. Pololu 4054

Module with a digital distance sensor with a range of up to 10 cm. It has a digital output that goes low when an object is detected. Pololu 4052

Finder 66.82.8.230.4000 relay with 30 A contact current and 230 V AC coil voltage is suitable for automation systems and industrial applications requiring reliable switching of high loads. Equipped with Faston 250 connectors and designed for panel mounting.

This set of two quadrature encoders for 20D extended-shaft motors provides precise rotational speed monitoring with 20 pulses per motor revolution. The devices utilize magnetic disc and Hall-effect sensors operating from 2.7-18V, and the digital outputs can be connected directly to a microcontroller. The encoders mount directly to the back of the motor, and the compact design and 6-pin JST PH connectors facilitate integration into robotic projects and control systems. Pololu 5661

A compact and powerful ESC module for BLDC and PMSM motors, ideal for racing drones and lightweight aircraft. Featuring an STM32F303 microcontroller with sensorless FOC and advanced 3-shunt current measurement, it delivers smooth operation and high efficiency. It supports 3S–6S LiPo power, currents up to 20A RMS, and PWM, UART, CAN, and I²C communication for easy integration with flight controllers. STMicroelectronics STEVAL-ESC001V1