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This logic level converter board module gives us a translation of logic level between two signals. In layman’s terms, if we take a signal with logical “unit” on 5V convert into a signal which logical “unit” has on 3.3V this module will help us. Something like this is useful in this case if we want to achieve communication between two devices from whom one works on 5V and the other on 3.3V, or any other combination of voltages. Directly connecting we would “burn” a device that works on 3.3V and a module gives us to avoid that.

• Max. voltage: 30V
• Number of channels: 4
• Dimensions: 22 x 22mm

Unlock the full potential of your microcontroller projects with the USB-to-UART CH340 Converter. This tool bridges the gap between your computer’s USB port and your microcontroller’s serial interface at it’s logic level (5V/3V3 compatible), enabling programming, debugging, and data exchange. Compatible with popular development boards like ESP32, RP2040, Atmega328p and others, the CH340 ensures stable and efficient communication, making it a perfect choice for both hobbyists and professional developers.

Designed for ease of use, the CH340 converter simplifies the process of serial communication, enabling the use of any GPIO pins to send data to a computer via USB. Its design and performance make it an ideal choice for a wide array of applications, from uploading sketches to ESP32 modules to establishing serial console access for embedded systems. Experience quick CH340 driver installation for Windows (macOS and Linux are natively supported), ensuring you spend less time on setup and more time on innovation.

Beyond basic programming, the CH340 excels in IoT and embedded applications where serial data monitoring is crucial. Its cost-effectiveness, combined with high functionality, provides an excellent alternative to more expensive converters, without compromising on performance. Whether you’re building smart home devices, robotics, or custom sensor networks, the CH340 offers the dependable serial connectivity you need to bring your ideas to life.

This small and simple module gives us a translation of logic level between two signals. In layman’s terms, if we take a signal with logical “unit” on 5V convert into a signal which logical “unit” has on 3.3V this module will help us. Something like this is useful in this case if we want to achieve communication between two devices from whom one works on 5V and the other on 3.3V, or any other combination of voltages. Directly connecting we would “burn” a device that works on 3.3V and a module gives us to avoid that.

This board is specialized for signal conversion for any communication protocol, and for this conversion, it uses a special integrated circuit that enables communication at high speeds.

• Max. voltage: 30V
• Number of channels: 4
• Communication protocol: any besides I2C
• Dimensions: 22 x 22mm

This module allows you to connect a Dasduino, or similar microcontroller, to a RS-485 communication protocol. The RS-485 is used to send data over long distances (up to 1200m) at 20Mbps and in high-noise environments, such as industrial. The module works on 5V and requires between 120μA and 500μA of current.

• Voltage: 5V
• Based on: SN65176BDR
• Dimensions: 38 x 2mm

The RS-232 is a standard and very popular protocol for communication between two devices. It is a full-duplex protocol which means it can receive and send data at the same time, and data is sent at voltages from + 3V to + 15V for a digital “one” and from -3V to -15V for digital “zero”. This provides a more secure environment for data transmission which is resistant to noise or interference, which is why the RS-232 is often used in industry. This module converts serial communication to RS232.

• Communication lines: TX, RX
• IC:232 MAX

• Voltage: 3.3V – 5.5V
• Dimensions: 22 x 22 mm

A module which enables the use of micro SD cards with Arduino via SPI communication. You can save various types of data on the SD card, create logs, read the information from it or perform various actions.

Ever needed to connect two peripherals with the same I2C address to the same microcontroller? This module allows you to seamlessly connect up to eight I2C devices with identical addresses.. Using the TCA9548A IC, our breakout board provides flexibility, enabling control of up to 64 devices on the same I2C bus. This means you can integrate numerous sensors, such as 64 BME680s (because why not?), all managed by just one microcontroller, simplifying complex setups and expanding your possibilities.

Beyond its core capabilities, the TCA9548A breakout is engineered for compatibility and ease of use, especially within the Qwiic ecosystem. This adapter is convenient for makers and engineers looking for rapid prototyping solutions without the intricate wiring. Its broad voltage compatibility (1.65V – 5.5V) ensures integration with a wide range of microcontrollers, including Arduino and NULA boards, making it an addition to any electronics workbench. With its compact dimensions and clear pinout, integrating this multiplexer into your existing or new projects is easy and efficient.

This I2C multiplexer is designed and manufactured in the EU, guaranteeing great performance and durability. We offer documentation, quick start guides and dedicated technical support to ensure your success, including our open-source community. Choose our TCA9548A breakout for a high-performance solution that empowers your innovative projects with I2C communication capabilities.

CONNECT programmer is designed to allow extremely simple programming of boards based on ESP8266 and ESP32 microcontrollers. It contains all the necessary electronics and logic so that programming can be done by plugging USB cable into CONNECT programmer and connecting CONNECT programmer to the programming header. Electronics that take care of timing and signal sequence are also on board, so it puts the ESP uC into bootloader mode.

ESP programming header can be found boards made by Soldered based on ESP8266 or ESP32 microcontrollers that do not have a USB-UART converter, but this programmer can be used for any other ESP32 / ESP8266 board as well.

• IC: CH340
• Pin layout: GPIO0, RESET, RX, TX, 3V3, GND
• LEDs: RX, TX, power
• USB: USB-C
• Dimensions: 38 x 22 mm

The LIN Transceiver NCV7329 Breakout Board offers a cost-effective and efficient solution for implementing Local Interconnect Network (LIN) communication in automotive and embedded systems. Designed for integration with microcontrollers It’s ideal for hobbyists and professionals looking to add in-car networking capabilities to their projects without complexity.

This breakout board simplifies the development of LIN-based communication systems, making it perfect for various automotive components such as window motors, seat controls, and climate sensors. Its compatibility with standard microcontrollers, including Arduino platforms and Soldered NULA boards.It ensures a broad range of applications for both prototyping and final product integration. The board’s design prioritizes ease of use, allowing developers to quickly establish communication with up to 16 devices on a single LIN bus.

With its open-source design and comprehensive documentation, the NCV7329 breakout board empowers users with full control and customisation options. Manufactured in the EU to high-quality standards, it comes with full technical support. Choose the LIN Transceiver NCV7329 Breakout Board for a reliable, affordable, and well-supported solution for your communication needs.

Connect your Arduino or microcontroller projects to automotive and industrial CAN networks with our MCP2518FD transceiver board. Designed for automotive diagnostics, industrial automation, and IoT applications, this board supports both legacy CAN 2.0B and modern CAN FD standards with data rates up to 8 Mbps. If you are building vehicle diagnostic tools, industrial monitoring systems, or custom automotive interfaces, this SPI-controlled module provides reliable, high-speed communication with built-in termination.

The MCP2518FD controller at the heart of this board delivers CAN communication with arbitration bit rates up to 1 Mbps and data bit rates up to 8 Mbps for CAN FD applications. The integrated ATA6563 transceiver ensures signal integrity in harsh automotive and industrial environments, while the SPI interface provides easy integration with Arduino, ESP32, and other microcontroller platforms. The onboard 120-ohm termination resistor can be easily enabled via a jumper, making this board perfect for end-node applications or network testing.

What sets this CAN transceiver apart is its automotive-grade components combined with maker-friendly design. The screw terminal connections ensure secure, vibration-resistant connections for all applications, while the compact 38x22mm form factor fits easily into smaller projects. With Arduino library support and detailed documentation, you can quickly integrate CAN communication into your projects without deep protocol knowledge. Perfect for automotive enthusiasts, industrial automation engineers, and IoT developers who need reliable CAN connectivity.

• Standards: CAN 2.0B i CAN FD
• Voltage: 2.7V i 5V
• Current: from 10uA to 12mA
• SPI interface
• Dimensions: 38 x 22 mm

This small and simple module gives us a translation of logic level between two signals. In layman’s terms, if we take a signal with logical “unit” on 5V convert into a signal which logical “unit” has on 3.3V this module will help us. Something like this is useful in this case if we want to achieve communication between two devices from whom one works on 5V and the other on 3.3V, or any other combination of voltages. Directly connecting we would “burn” a device that works on 3.3V and a module gives us to avoid that.

This board is specialized for signal conversion for I2C communication protocol, and for this conversion it uses a special integrated circuit that enables communication at high speeds.

• Max. voltage: 30V
• Number of channels: 4
• Communication protocol: I2C
• Dimensions: 22 x 22mm

This product has IPX connectors on both ends they are gold color and its lenght is. Connects easily and has good connection.

• lenght: 10cm