Module with a button, LED diode and a green cap. DFRobot DFR0029-G

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5457

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5456

Driver for three-phase BLDC motors based on the TMC6300 system from Trinamic. It allows you to control the movement of drives with a voltage of 2 to 11 V and a current consumption of up to 2 A. SparkFun ROB-21867

Module with an analog AC current sensor in a set with a probe for non-contact measurement of alternating current with a current of up to 5A. DFRobot SEN0287

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5453

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5452

A set of connectors used in the Breakout Garden modules from Pimoroni. Designed for soldering on PCBs. Pimoroni COM3900

Module with an analog TEMT6000 light intensity sensor. The voltage at the output is linearly correlated with the intensity of the incident light. The module is supplied with the voltage from 3.3 to 5V. DFRobot SEN0043

Small LED matrix display with built-in rechargeable battery. Programmable via USB and Windows PC or Bluetooth and iOS and Android applications

Pololu 5652 is an adapter that allows connection of 3-wire JST PH and SH connectors to circuits with 2.54 mm pin headers. Applications include sensors, communication modules, and servo systems. The adapter is a convenient tool for quick integration of wires with prototyping boards.

BMI270 3-axis accelerometer and gyroscope module. The chip is a low-power IMU optimised for wearables, providing precise acceleration measurement, angular velocity measurement and motion-triggered interrupt functions. Equipped with a Qwiic connector, it communicates via an I2C interface. SparkFun SEN-22397

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

IGBT power transistor designed for high-efficiency switching applications such as motor control, power supplies, and DC/AC converters.

Soil moisture sensor with analog output. The probe has two pointed tabs, making it easy to insert into the ground. It is supplied with the voltage of 3.3V or 5V. DFRobot SEN0114

Module with 6-axis BMI160 motion sensor (accelerometer and gyroscope) with 16-bit data resolution. It is supplied with the voltage in the range from 3.2 to 6 V. I2C communication. DFRobot SEN0250

Rotary angle sensor module based on the AS5600, enabling contactless magnetic position measurement over a 0–360° range, featuring an I2C interface and STEMMA QT / Qwiic connectors for solderless connection. Adafruit 6357

UART to Wi-Fi 802.11 b/g/n converter module with external antenna, which can connect traditional serial device and MCU controlled device to Wi-Fi network for control and management. USR-WIFI232-B2

Module with digital temperature sensor TMP117. It enables temperature measurement in the range from –55°C to 150°C with very high accuracy up to ± 0.1°C. The system communicates via the I2C interface. SparkFun SEN-15805