Module with RTC and MicroSD socket for D1 Mini

A cable with a built-in converter that increases the voltage from the USB connector to 9 V. It is equipped with a DC Jack 2.1 x 5.5 mm plug

Module with 4-channel ADC ADS1015 converter. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 1083

Ready-to-use LED controller with ESP32 and enclosure, compatible with WLED. Wi-Fi support, 5V outputs, microphone, IR, NeoPixel, and screw terminals. Adafruit 6333

The module is designed to support incremental encoders. It reads the rotation of the encoder and transmits the information via the I2C interface. Adafruit 4991

Module with 8 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR80001-AC

Module with 4 relays 12 V with a maximum switching current of 7 A. Numato Lab RL40002

HiFi stereo tube amplifier based on 6J1 and 6P1 tubes. Designed for use with loudspeakers up to 3 W and an impedance of 4 Ω or 8 Ω

The Step-Up Buck Voltage Regulator module with adjustable output voltage in range of 2.5-9.5V with a input voltage range of 1.5-16V and a maximum output current of 2A. Pololu 791

The HMI module based on the Raspberry Pi CM4 platform is an advanced industrial solution, offering high performance thanks to the Broadcom BCM2711 processor (Cortex-A72, 1.5GHz), 8 GB RAM and 32 GB eMMC, expandable via Micro SD and mSATA SSD. Equipped with HDMI, LVDS, Gigabit LAN ports, USB, RS232, and Wi-Fi, Bluetooth and 4G LTE connectivity, it provides flexibility in integration and reliability in harsh working conditions, with additional security features such as supercapacitor, RTC and cryptographic authentication. Edatec HMI2320-156C-1832-31

KAmod RS232S-mini is a miniature RS232 to TTL converter with a female DB9 connector, 2.54 mm goldpin pins, operating at 3-5.5 V, supporting all RS232 signals, based on the MAX3238/SP3238 chip, offering ESD protection up to 15 kV and corresponding to a DCE/Modem device

This advanced Nema 23 stepper motor controller from the CLRS series is designed for precision industrial applications with RS485 (Modbus RTU) network communication. It eliminates the risk of lost steps with closed-loop feedback and offers support for Profile Position, Velocity, Homing, and PR Mode with a 16-position point-to-point control table. The controller supports up to 31 axes on a single network, offers up to 7 A current, a 20 to 50 VDC supply voltage, and passive or active cooling, making it a reliable solution for robotics, automation, and CNC systems. CL2C-RS57

Versatile USB protocol converter, offering four channels (RS485, RS232, two TTL) and 12V, 5V and 3.3V power supply, ideal for IoT and industrial applications. Compatible with Windows, Linux, LattePanda and Raspberry Pi, no drivers required, and optional installation allows easy device management. DFRobot TEL0185

Analog audio level indicator in the form of a panel meter. Powered with AC or DC voltage from 6 to 12 V, it has a built-in backlight

HMI module with a 4.3" TFT color LCD display with a resolution of 480x272 px. Equipped with a resistive touch panel. Communication via UART interface. Nextion NX4827T043