BOB-09868 - Breakout Board for ADMP401 MEMS Microphone, SparkFun

Load cell amplifier module with a 24-bit HX711 ADC for use with Wheatstone bridge-based sensors. It provides two differential input channels and DAT and SCK lines for direct communication with a microcontroller. The supply voltage range is 2.7–5.5V and board dimensions are 22 × 22mm. Soldered 333005

Four-channel logic level converter designed for connecting digital devices operating at different signal voltages. It uses the TXS0104 IC and supports bidirectional level conversion for I2C bus signals. Soldered 333016

The board allows you to attach cables to the microSD / TF card line. Supply voltage from 2.7 to 3.6 V. Polol 2597

ROB-12567

LIN transceiver module based on the NCV7329 IC for connecting a microcontroller as a slave node to a single-wire LIN bus. It supports data rates from 1 to 20kbps and Normal, Standby, and Sleep operating modes. TXD, RXD, and EN pins provide data transmission and operating mode control. Soldered 333027

MCP4018 digital potentiometer module with 10kΩ nominal resistance and 128 adjustment steps. I2C control enables software-based resistance adjustment, while two Qwiic connectors simplify integration with compatible boards. Designed for adjusting signal levels and analog circuit parameters from a microcontroller. Soldered 333091

microSD card reader module supporting cards with capacities up to 32GB for reading and writing data via SPI. An onboard 3.3V regulator and TXB0104 logic level translator provide compatibility with 3.3V and 5V logic systems. The module can be used for data logging, configuration storage, and file handling in microcontroller-based projects. Soldered 333050

Real-time clock module based on the PCF85063A IC for independent timekeeping and date tracking. It communicates via I2C at a fixed 0x51 address and provides an alarm function, INT interrupt output, and programmable clock output. An onboard battery holder maintains timekeeping when the main power supply is disconnected. Soldered 333051

Addressable LED strip controller based on the RP2350A microcontroller with dual Arm Cortex-M33 cores up to 150 MHz. It supports popular WS2812/Neopixel and APA102/Dotstar LEDs and allows for powering and programming via USB-C with current up to 3A. It features screw-type LED connectors, a built-in RGB LED, user-friendly buttons, and a Qw/ST connector for connecting I2C sensors. The kit includes a Star Wire LED strip and a USB-C cable. Pimoroni PIM743

A compact voltage converter module that reduces input voltage from 5.2 to 65 V to a stable 5 V at currents up to 700 mA. It features high efficiency, low quiescent current (<0.2 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5433

A compact digital rotary encoder module designed for simple and intuitive volume control in arcade and DIY projects. Ready to use without soldering, simply connect it to the "Encoder" port on the Picade Max USB Audio board. In addition to volume control, the encoder offers a mute function when the knob is pressed. Pimoroni PIM770

Two-channel relay module designed for independent control of two AC or DC loads using a microcontroller. Each of the two relays supports loads of up to 10 A at 250 V AC or 10 A at 30 V DC, while the control circuit is compatible with 3.3 V and 5 V logic levels. Soldered 333023

Mini Maestro 18 in assembled version is a precise servo controller and a universal I/O expander for robotic, animatronic, and interactive projects. Thanks to its autonomous operation capabilities, multi-channel support, and flexible input/output configurations, it is used in advanced installations requiring smooth motion control and response to environmental signals.

Industrial Ethernet module that allows control of 30 relays via RJ45 port. It uses Modbus TCP protocol, PoE (Power over Ethernet) power supply and comes with a rail-mounted housing. Waveshare Modbus POE ETH Relay 30CH

The 5V relay module with opto-isolation allows you to safely control loads up to 10A at voltages up to 250V AC or 30V DC, working with microcontroller platforms such as Arduino or Raspberry Pi

8-channel I2C bus multiplexer based on the TCA9548A, allowing devices with identical I2C addresses to operate with one microcontroller. The multiplexer address can be configured from 0x70 to 0x77 using A0–A2 jumpers, while 10 Qwiic connectors simplify solderless connections. Operating voltage range is 1.65–5.5V. Soldered 333077

A compact buck module that reduces input voltage from 4 to 65 V to a stable 3.3 V at up to 700 mA. It features high efficiency, low quiescent current (<0.2 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5432

Mini Maestro 12 in kit version is a multifunctional controller for controlling servos, reading sensors, and executing motion sequences without a computer. Excellent for use in robotics, animatronics, and interactive systems, it enables flexible motion control and peripheral management from a PC or microcontroller.

Single-channel relay module designed for controlling AC and DC loads using a microcontroller. It supports loads of up to 10 A at 250 V AC or 10 A at 30 V DC and can be controlled using 3.3 V and 5 V logic signals. Soldered 333024