This compact module allows for convenient control of servos communicating via UART in half-duplex or full-duplex mode, making it suitable for a variety of robotic projects. Equipped with Molex connectors and additional pins, it allows for easy integration of popular servos, such as the LX-16A, as well as models from other manufacturers. The module offers high-current power output, ensuring stable operation of complex systems with multiple servos. Pimoroni PIM697

Stereo Class D audio amplifier based on two MAX98357A ICs with a digital I2S input. Delivers up to 3.2W per channel into 4Ω at 5V, supports 8–96kHz sample rates and selectable 6, 9, 12 or 15dB gain. Soldered 333355

Industrial relay module controlled via RS485 interface with Modbus RTU protocol support, offering 8 outputs with maximum load of 10 A. Equipped with galvanic isolation, opto-isolation, TVS diodes and DIN mounting, it ensures safe and reliable operation in harsh industrial conditions. Thanks to functions such as flash-on/off, configurable RS485 address (1-255), signaling diodes and wide power supply range (7-36 V), the module is perfect for building automation and device control. Waveshare Modbus RTU Relay (B)

4 route MOSFET switch module V2.0, IRF540, RoHS

Step DC-DC converter, Uwe 3.5-30 V, adjustable 4-30 V, RoHS

The 4-in-1 electronic speed controller supports 4–12S LiPo and LiHV batteries and a continuous current of up to 160 A per channel. The STM32G071 processor, AM32 firmware, telemetry, current measurement, and 16 V / 2 A BEC enable use in high-power FPV multirotors. SEQURE E160 G2 4-12S AM32

Open-source USB-C debug tool providing UART access through the SBU1 and SBU2 pins of a USB-C connector. Features three USB-C ports, selectable 1.8V/3.3V logic levels, speeds up to 3Mbps and a virtual COM port. Soldered 333367

Przetwornica DC-DC Step Down (MP1584), Uwe 4.5..28V, Uwy regulowane 0.8..20V, RoHS

FTDI basic breakout Arduino USB-TTL ASP, RoHS

TB6612FNG Dual Motor Driver Carrier

This shield makes it easy to control two high-power DC motors with your Arduino or Arduino-compatible board. Its dual robust VNH5019 motor drivers operate from 5.5 to 24 V and can deliver a continuous 12 A (30 A peak) per motor, or a continuous 24 A (60 A peak) to a single motor connected to both channels. Pololu 2507

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.

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

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

Servo control module with 180 degree range of motion, No programming required and is ideal for operations such as opening and closing the mouth, hands or eyes. Control is performed using the built-in ATTiny13A, button and potentiometer, and each pressed button moves the servo to the other end of the range, with the possibility of adjusting the length of the movement. Kitronik 2177

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

USB-UART converter based on the CH340 IC with a USB-C connector for communication between a computer and devices equipped with a UART serial interface. A switch selects 3.3V or 5V on the VCC pin, while PWR, RXD, and TXD LEDs indicate power and data activity. Hardware flow control pins provide additional serial communication options. Soldered 333028

Pololu Mini Maestro 1355 is a servo controller with 18 configurable channels, designed for precise applications in robotics, automation, and animatronics. The kit version allows customization of connector installation to suit project needs, while its extensive functionality enables the creation of autonomous control systems and expansion of input/output interfaces in embedded systems.

Four-channel logic level converter based on the TXB0104 IC, designed for connecting digital circuits operating at different logic voltages. It supports automatic direction sensing, bidirectional communication, and digital interfaces such as SPI and UART. Soldered 333017

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