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I2C converter for HD44780 LCD display

The I2C converter for the popular display with controller HD44780 for example, 2x16 characters. Thanks to this system, two data lines and supply 5 Volts and groundare enough...
5.0 (39)
Index: LCD-02352
Index: LCD-02352
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Module NE555 - regulated frequency generator

The module works as a timer, pulse generator or oscillator application. It can be used as a time delay. Works with voltages from 5 V to 12 V. Board size: 30 x 13 mm.
5.0 (3)
Index: MOD-08589
Index: MOD-08589
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Regular price €0.90 Price €0.90

MAX98357A decoder stereo DAC I2S - SparkFun DEV-14809

The stereo decoder's module DAC to communicate through the I2S interface. Built-in class D amplifier can provide up to 3.2 W of power to the speakers or headphones with...
5.0 (2)
Index: SPF-13062
Index: SPF-13062
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Regular price €8.00 Price €8.00

Voltage divider 5V/25V for Arduino

A voltage divider is used, when the measured voltage has a larger value than the A/D converter's range. The device works in the range from 0 V to 25 V. The output voltage has a...
5.0 (4)
Index: MOD-08231
Index: MOD-08231
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HX711 - amplifier for a strainer beam - SparkFun SEN-13879

Operational amplifier is designed to handle strain beams. The system is supplied with the voltage from 2.7 V to 5.0 V, communicates via a two-wire bus: the data line and a...
5.0 (11)
Index: SPF-04283
Index: SPF-04283
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Regular price €12.90 Price €12.90

USB adapter for female cables with USB-UART converter PL2303 - Waveshare 7965

The adapter allows you to connect a USB to many different modules, with built-in converter USB to UART PL2303. Completed with female wire connectors. The system is compatible...
4.7 (10)
Index: WSR-04470
Index: WSR-04470
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Four-channel opto-isolator A87 TLP281

4-channel opto-isolator designed to connect digital systems such as microcontrollers 5 V for high voltage systems. Maximum input voltage is 24 V.
5.0 (2)
Index: MOD-09909
Index: MOD-09909
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MCP2221A - USB to GPIO ADC I2C - Stemma QT / Qwiic - Adafruit 4471

The module is based on the MCP2221A system, equipped with GPIO ports, ADC analog inputs and I2C interface, to which access is possible via the USB type C connector. On...
5.0 (7)
Index: ADA-21053
Index: ADA-21053
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Regular price €9.50 Price €9.50

Test kit, electronic component tester - M12864 KIT

The set for testing and the recognition of electronic components such as bipolar transistors PNP, NPN, MOSFET transistors with channel P and N, field transistors JFET and LEDs....
5.0 (11)
Index: MOD-05056
Index: MOD-05056
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Regular price €34.50 Price €34.50
Index: GFR-19644
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FT232H - USB converter for UART, SPI, I2C, GPIO - Adafruit 2264

Board allows you to communicate with the modules and sensors directly from the computer. It supports the most popular interfaces: UART, I2C, SPI, it also has some GPIO pins.
5.0 (1)
Index: ADA-03003
Index: ADA-03003
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Regular price €20.90 Price €20.90

SN65HVD230 CAN Board - Waveshare 3945

The module is based on the SN65HVD230 system that allows you to connect the microcontroller to the CAN bus. Communication is via the serial interface - RX, TX. It works with a...
5.0 (8)
Index: WSR-06960
Index: WSR-06960
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Regular price €4.50 Price €4.50
Index: GFR-19643
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Regular price €2.00 Price €2.00

SPDIF jack audio converter with cable - Toslink AK319A

Toslink / Coaxial digital signal converter designed for analog audio - two channel stereo RCA CINCH L + R and mini Jack 3.5 mm. The main application of the product is to allow...
5.0 (9)
Index: APT-19974
Index: APT-19974
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Regular price €3.90 Price €3.90

QwiicBus EndPoint - SparkFun COM-16988

QwiicBus system component, allowing to extend the range of the I2C communication bus. It uses NXP PCA9615 chip, which converts two default I2C signals (SDA data line and SCL...
5.0 (1)
Index: SPF-19394
Index: SPF-19394
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UART converter - RS485 5V - ARK/RJ11 - Waveshare 4738

Converter allows you to connect the microcontroller via the RS-485 bus which supports up to 32 devices on a line with length up to 1 km and a speed up to 10 Mbps. The module...
5.0 (3)
Index: WSR-04493
Index: WSR-04493
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Optical relay LC03 - optoisolator

The input voltage from 1.6 V to 2.5 VDC, output impedance up to 10 megohms.
5.0 (1)
Index: PAS-04863
Index: PAS-04863
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Regular price €1.50 Price €1.50

Two-channel optoisolator ILD213T - SparkFun BOB-09118

2-channel opto-isolator designed to control systems with voltages up to 70 V through the system of digital 3 - 5V, e.g., microcontrollers. The module protects the system of...
5.0 (3)
Index: SPF-01937
Index: SPF-01937
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Regular price €6.90 Price €6.90

Gravity - I2C - 2x UART converter - DFRobot DFR0627

A module that allows to derive two UART interfaces from the I2C interface. The maximum transmission speed is 1 Mb/s , each UART interface has an independent FIFO buffer...
Index: DFR-17311
Index: DFR-17311
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Regular price €9.50 Price €9.50

Bus Pirate v3.6a - SparkFun TOL-12942

The device allows you to connect the computer with electronic modules, using the popular data transfer protocols, e.g. SPI, I2C, UART. It improves the process of communication...
5.0 (2)
Index: SPF-01707
Index: SPF-01707
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Regular price €38.90 Price €38.90

Si5351A - 160MHz I2C signal generator - Adafruit 2045

The chip features a 25 MHz precision oscillator and PLL loops, which can generate signals from 8 kHz to 160 MHz. The chip works with voltages up to 3 V to 5.0 V, the Vpp value...
5.0 (1)
Index: ADA-04174
Index: ADA-04174
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Driver for SPI alphanumeric display - SparkFun COM-10103

Driver based on the A6282 system allows you to control the alphanumeric segmented display using the SPI bus.
Index: SPF-03272
Index: SPF-03272
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Regular price €16.90 Price €8.45
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Test kit, THT electronic components tester - BTE-056

Kit for testing and recognition of electronic components such as PNP, NPN bipolar transistors, MOSFET transistors with P and N channels and diodes. Built-in screen allows to...
4.8 (7)
Index: MOD-06282
Index: MOD-06282
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Regular price €17.00 Price €17.00

Load Sensor Combinator (Ver. 1.1) - SparkFun BOB-13878

The module allows you to connect 4 load sensors - strain-gauge beams to one of the bridge via 4-wire cable. It finds application, for example, in the construction of the...
Index: SPF-07277
Index: SPF-07277
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Other converters

Find all converters, which for various reasons could not be found in any other subcategory of this equipment. It is worth to browse through this offer as there are many devices that may turn out to be a perfect solution to your problems encountered when connecting independent elements. You'll find cable adapters that make it easier to access specific pins or simply set them in a different configuration to match a particular standard. We also offer accessories that work with small logic circuits to ensure that the signal received at the output is properly processed so that a second device can read it. Many products in the range are designed to work with tools popular among robotics and electronics engineers, such as Arduino, Raspberry Pi or popular displays.

What do we offer?

In the "other converters" category we offer, among other things, electronic component test kits. These allow for testing PNP and NPN bipolar transistors, diodes (and many other tools), and also have PWM and rectangular signal generators or frequency meters. Such devices usually have a screen on which the quantities relevant to the component are displayed. Among the simpler tools we have many types of adapters from HDMI to VGA, converters that allow the conversion of analogue audio and video signals to digital (inputs: PAL, NTSC, 2 x RCA chinch and USB A output), devices that convert digital audio to analogue, splitters for I2C or adapter from USB to female wires. We also have converters for connecting digital systems (e.g. microcontrollers) to high voltage systems, frequency generators (e.g. sine or rectangular signal), tools allowing the computer to communicate directly with sensors (UART, SPI, I2C, GPIO) or modules for connecting microcontrollers to CAN bus. We also offer voltage dividers, various drivers, optoisolators, boards with operational amplifiers, hubs and bridges for strain gauge beams, as well as FRAM memory or analogue signal isolator.