Step-down DC-DC converter module that converts a 12 V or 11.1 V output voltage (e.g. from a lithium battery) to a voltage in the range of 1.8 V to 5.1 V. It has a power output of up to 60 W, and with an output current of up to 18 A, the module can be used to power a 5 m WS2812 RGB LED strip. DFRobot DFR1025

An integrated data acquisition module that includes functions such as data display, automatic sensor recognition and calibration, data storage, RTC clock and data conversion to make data acquisition more convenient and efficient. DFRobot DFR0999

Single-channel DC motor driver that can control the movement of the drive with a supply voltage of up to 36 V and a current consumption of up to 15 A. Controlled by a PWM signal. DFRobot DRI0042

Module with 2 QTRX type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4302

Module with EEPROM 24LC32 memory with a capacity of 32 kBit (4 kB). Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5146

Design a clock, timer or counter into your next project using our pretty 4-digit seven-segment display. These bright crisp displays are good for adding numeric output. Besides the four 7-segments, there are decimal points on each digit and an extra wire for colon-dots in the center (good for time-based projects). Adafruit 865

Module with 1 QTRX type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4401

SEN-11207 - Flexiforce Pressure Sensor - 25lbs (1" area)

Bright white SMD 3528 LED module. DFRobot DFR0438

The module with the MCP96L01 amplifier designed to work with a thermocouple type K, J, T, N, S, E, B, or R. It has a screw connection for connecting a thermocouple and communicates via I2C. Adafruit 5165

Module with 1 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4201

8x8 matrix or a 4-digit 7-segment display. Matrices like these are \'multiplexed\' - so to control all the seven-segment LEDs you need 14 pins. Adafruit 879

8x8 matrix or a 4-digit 7-segment display. Matrices like these are \'multiplexed\' - so to control all the seven-segment LEDs you need 14 pins. Adafruit 878

An ESP32-S3 HMI display with a dual-core 240 MHz Xtensa LX7 processor, offering fast performance and extensive wireless connectivity via Wi-Fi and Bluetooth 5.0. The 3.5-inch IPS screen with a resolution of 480x320 provides excellent image quality and precise capacitive touch. The device supports AI features such as speech recognition and synthesis, as well as RTC, battery charging, audio, and an SD card slot. Compatibility with the Arduino IDE, ESP-IDF, and LVGL enables the rapid development of modern IoT interfaces and applications. Elecrow CrowPanel Advance 3.5"

Adafruit 603 - Stainless Thin Conductive Yarn / Thick Conductive Thread - 35 ft

Design a clock, timer or counter into your next project using our pretty 4-digit seven-segment display. These bright crisp displays are good for adding numeric output. Besides the four 7-segments, there are decimal points on each digit and an extra wire for colon-dots in the center (good for time-based projects). Adafruit 812

Breakout board with plated through-holes (PTH) for routing HSTX signals, intended for prototyping and testing high-speed interfaces. SparkFun BOB-28467

The ACS71240 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 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5246

DC-DC Step-up converter module based on the U3V70F5 system. Input voltage 2.9 ... 5V, output voltage 5V, maximum current 10A. Two mounting holes. Polol 2891

The ACS71240 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 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5245