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This solid state relay/switch board provides a way to make and break an electrical connection based on a 2.7 V to 40 V input signal. Its electrically isolated output makes it suitable for various applications where mechanical relays are traditionally used, while its semiconductor-based design avoids many of a mechanical relay’s disadvantages. This version can switch up to 11 A of current at voltages up to 30 V (absolute maximum).

This solid state relay/switch board provides a way to make and break an electrical connection based on a 2.7 V to 40 V input signal. Its electrically isolated output makes it suitable for various applications where mechanical relays are traditionally used, while its semiconductor-based design avoids many of a mechanical relay’s disadvantages. This version can switch up to 7 A of current at voltages up to 60 V (absolute maximum).

This board is an integrated solution for monitoring voltage, current, power, and other parameters in AC and DC systems featuring Allegro’s ACS37800KMACTR-030B3-I2C isolated power monitoring IC. It provides bidirectional current measurements from −30 A to +30 A and can be configured to measure voltages up to 480 V_RMS nominal (up to ±980 V peak). Our carrier board adds secondary isolation to the sensor’s I²C interface for additional safety and measurement accuracy. This version has a soldered Amphenol YK4410403000G terminal block rated up to 300 V and is configured to measure 240 V_RMS by default.

This board is an integrated solution for monitoring voltage, current, power, and other parameters in AC and DC systems featuring Allegro’s ACS37800KMACTR-030B3-I2C isolated power monitoring IC. It provides bidirectional current measurements from −30 A to +30 A and can be configured to measure voltages up to 480 V_RMS nominal (up to ±980 V peak). Our carrier board adds secondary isolation to the sensor’s I²C interface for additional safety and measurement accuracy. This version has a soldered Amphenol YK4410403000G terminal block rated up to 300 V.

This board is an integrated solution for monitoring voltage, current, power, and other parameters in AC and DC systems featuring Allegro’s ACS37800KMACTR-030B3-I2C isolated power monitoring IC. It provides bidirectional current measurements from −30 A to +30 A and can be configured to measure voltages up to 480 V_RMS nominal (up to ±980 V peak). Our carrier board adds secondary isolation to the sensor’s I²C interface for additional safety and measurement accuracy.

This is the larger version of a simple carrier for Allegro’s ACS37042KLHBLT-010B3 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the smaller version of a simple carrier for Allegro’s ACS37042KLHBLT-010B3 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the larger version of a simple carrier for Allegro’s ACS37042KLHBLT-030B3 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the smaller version of a simple carrier for Allegro’s ACS37042KLHBLT-030B3 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This USB-to-I²C adapter enables a PC or other USB host to act as the controller on an I²C bus, reading and writing data from I²C target devices connected to the bus. It supports clock stretching and I²C clock speeds in excess of 1 MHz. The adapter features complete galvanic isolation between the USB and I²C sides, which prevents unexpected current flow between the two sides and protects the computer and its USB ports from destructive voltages on the I²C bus. This version delivers isolated power to the I²C side at 5V or 3.3V (selectable by an integrated switch with the state latched at start-up).

This USB-to-I²C adapter enables a PC or other USB host to act as the controller on an I²C bus, reading and writing data from I²C target devices connected to the bus. It supports clock stretching and I²C clock speeds in excess of 1 MHz. The adapter features complete galvanic isolation between the USB and I²C sides, which prevents unexpected current flow between the two sides and protects the computer and its USB ports from destructive voltages on the I²C bus. This version does not deliver USB power to the I²C bus, so a voltage of 2.25 V to 5.5 V must be supplied on the I²C side.

This is the large version of a simple carrier for Allegro’s ACS72981LLRATR-050U5 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.2 mΩ) current path and a high 250 kHz bandwidth for fast response times.

This is the compact version of a simple carrier for Allegro’s ACS72981LLRATR-050U5 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.2 mΩ) current path and a high 250 kHz bandwidth for fast response times.

Add connectors to your micro metal gearmotors with these boards that feature side-entry, 2-pin male JST SH-type connectors. These boards are compatible with all of the single-shaft micro metal gearmotors we carry, including the HPCB versions. This product is a 10-pack of connector adapter boards.

Add connectors to your micro metal gearmotors with these boards that feature side-entry, 2-pin male JST SH-type connectors. These boards are compatible with all of the single-shaft micro metal gearmotors we carry, including the HPCB versions. This product is a 2-pack of connector adapter boards.

Add connectors to your micro metal gearmotors with these boards that feature back-entry, 2-pin male JST SH-type connectors. These boards are compatible with all of the single-shaft micro metal gearmotors we carry, including the HPCB versions. This product is a 10-pack of connector adapter boards.

Add connectors to your micro metal gearmotors with these boards that feature back-entry, 2-pin male JST SH-type connectors. These boards are compatible with all of the single-shaft micro metal gearmotors we carry, including the HPCB versions. This product is a 2-pack of connector adapter boards.

This is the larger version of a simple carrier for Allegro’s ACS37041KLHBLT-030B5 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the larger version of a simple carrier for Allegro’s ACS37041KLHBLT-010B5 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the larger version of a simple carrier for Allegro’s ACS37041KLHBLT-030B3 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the smaller version of a simple carrier for Allegro’s ACS37041KLHBLT-030B5 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the smaller version of a simple carrier for Allegro’s ACS37041KLHBLT-010B5 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

This is the smaller version of a simple carrier for Allegro’s ACS37041KLHBLT-030B3 Hall effect-based, electrically isolated current sensor in a 5-pin SOT-23 package with ~1.6 mΩ current path resistance and 150 kHz bandwidth.

The Dobot Vision Kit is a hardware and software platform that can be used to add sophisticated image processing to cobot setups like the Dobot MG400 robot arm. The kit includes a 5 megapixel color industrial camera, a 12 mm fixed focus lens, and a white auxiliary light source along with some calibration and demonstration materials.

This gripper fits small cobots such as the Dobot MG400. The simple PNP-type PLC interface can connect directly to the MG400 I/O ports, and it can be mounted using a simple 3D-printed adapter. Additionally, this version of the gripper supports Modbus RTU over RS-485. The gripper weighs 320 g (390 g including cable), has a max stroke of 10 mm (both fingers combined), and has a maximum gripping force of 80 N.

This gripper fits small cobots such as the Dobot MG400. The simple PNP-type PLC interface can connect directly to the MG400 I/O ports, and it can be mounted using a simple 3D-printed adapter. The gripper weighs 320 g (390 g including cable), has a max stroke of 10 mm (both fingers combined), and has a maximum gripping force of 80 N.

This gripper fits small cobots such as the Dobot MG400. The simple PNP-type PLC interface can connect directly to the MG400 I/O ports, and it can be mounted using a simple 3D-printed adapter. Additionally, this version of the gripper supports Modbus RTU over RS-485. The gripper weighs 220 g (290 g including cable), has a max stroke of 6 mm (both fingers combined), and has a maximum gripping force of 60 N.

This compact breakout board for Toshiba’s TB67H453FNG motor driver offers a wide operating voltage range of 4.5 V to 44 V and can deliver a continuous 1.3 A to a single bidirectional brushed DC motor. The TB67H453 also features integrated current sensing and regulation that limits the peak motor current to about 2 A by default, as well as built-in protection against under-voltage, over-current, and over-temperature. The carrier board adds protection against reverse voltage.

This version of our TB67S581FNG Stepper Motor Driver Carrier ships with male header pins installed, so no soldering is required to use it with an appropriate 16-pin socket or solderless breadboard. See the TB67S581FNG Stepper Motor Driver Carrier product page for more information about the driver.

This breakout board for Toshiba’s TB67S581FNG microstepping bipolar stepper motor driver features adjustable current limiting, over-current and over-temperature protection, and six microstep resolutions (down to 1/32-step). It operates from 8.2 V to 44 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (rated for up to 2.2 A per coil with sufficient additional cooling). The driver has a pinout and interface that are nearly identical to our other 16-pin stepper motor drivers, so it can be used as an alternative to those boards in many applications.

Note 1: Minimum input voltage is subject to dropout voltage considerations; see the dropout voltage section of product pages for more information.

Note 1: Minimum input voltage is subject to dropout voltage considerations; see the dropout voltage section of product pages for more information.

Note 1: Minimum input voltage is subject to dropout voltage considerations; see the dropout voltage section of product pages for more information.

Note 1: Minimum input voltage is subject to dropout voltage considerations; see the dropout voltage section of product pages for more information.

Note 1: Minimum input voltage is subject to dropout voltage considerations; see the dropout voltage section of product pages for more information.

This compact breakout board for Toshiba’s TB67H453FTG motor driver offers a wide operating voltage range of 4.5 V to 44 V and can deliver a continuous 1.1 A to a single bidirectional brushed DC motor. The TB67H453 also features integrated current sensing and regulation that limits the peak motor current to about 2 A by default, as well as built-in protection against under-voltage, over-current, and over-temperature. The carrier board adds protection against reverse voltage.

This gripper fits small cobots such as the Dobot MG400. The simple PNP-type PLC interface can connect directly to the MG400 I/O ports, and it can be mounted using a simple 3D-printed adapter. The gripper weighs 220 g (290 g including cable), has a max stroke of 6 mm (both fingers combined), and has a maximum gripping force of 60 N.

This module enables galvanically isolated bidirectional I²C communication between two devices while supplying regulated, isolated power to the target. The bidirectionality applies to both SDA and SCL, which allows for clock stretching. The output voltage is set to 5 V out by default and can be changed to 3.3 V through a selection pin. This version has JST SH-style 4-pin connectors that are compatible with Sparkfun’s Qwiic and Adafruit’s STEMMA QT. Power specs:

This module enables galvanically isolated bidirectional I²C communication between two devices while supplying regulated, isolated power to the target. The bidirectionality applies to both SDA and SCL, which allows for clock stretching. The output voltage is set to 5 V out by default and can be changed to 3.3 V through a selection pin. This version does NOT have connectors. Power specs:

This module enables galvanically isolated bidirectional I²C communication between two devices. The bidirectionality applies to both SDA and SCL, which allows for clock stretching. Side 1 operates from 3 V to 5.5 V, and side 2 operates from 2.25 V to 5.5 V. This version has JST SH-style 4-pin connectors that are compatible with Sparkfun’s Qwiic and Adafruit’s STEMMA QT.

This module enables galvanically isolated bidirectional I²C communication between two devices. The bidirectionality applies to both SDA and SCL, which allows for clock stretching. Side 1 operates from 3 V to 5.5 V, and side 2 operates from 2.25 V to 5.5 V. This version does NOT have connectors.

This module protects a connected load from reverse voltages down to -60 V. This version acts as an ideal diode, blocking reverse current from output to input.

Note 1: Operates down to 3.2 V after startup.
Note 2: MOSFET on resistance.

This module protects a connected load from reverse voltages down to -60 V. This version does not block reverse current, making it suitable for applications such as battery-powered motor control where delivering energy back into the supply is desirable.

Note 1: Operates down to 3.2 V after startup.
Note 2: MOSFET on resistance.

This module protects a connected load from reverse voltages down to -60 V. This version acts as an ideal diode, blocking reverse current from output to input.

Note 1: Operates down to 3.2 V after startup.
Note 2: MOSFET on resistance.

This module protects a connected load from reverse voltages down to -60 V. This version does not block reverse current, making it suitable for applications such as battery-powered motor control where delivering energy back into the supply is desirable.

Note 1: Operates down to 3.2 V after startup.
Note 2: MOSFET on resistance.

This power module provides regulated, galvanically isolated DC-to-DC power. The output voltage is set to 5 V out by default and can be changed to 3.3 V through a selection pin. Power specs:

This is the large version of a simple carrier for Allegro’s ACS37030LLZATR-065B3 electrically isolated current sensor that uses two signal paths—Hall effect and inductive coil—to capture both low-frequency and high-frequency information. This allows for a DC through 5 MHz bandwidth and typical response times of 40 ns.

This is the compact version of a simple carrier for Allegro’s ACS37030LLZATR-065B3 electrically isolated current sensor that uses two signal paths—Hall effect and inductive coil—to capture both low-frequency and high-frequency information. This allows for a DC through 5 MHz bandwidth and typical response times of 40 ns.

This is the compact version of a simple carrier for Allegro’s ACS37030LLZATR-020B3 electrically isolated current sensor that uses two signal paths—Hall effect and inductive coil—to capture both low-frequency and high-frequency information. This allows for a DC through 5 MHz bandwidth and typical response times of 40 ns.

This discrete MOSFET stepper motor driver enables control of one bipolar stepper motor. It supports a wide 8 V to 50 V operating voltage range and can deliver up to 8 A continuous per phase without a heat sink or forced air flow (11 A max with sufficient additional cooling). The SPI interface allows configuration of the current limiting, step mode (9 step modes from full-step through 1/256-step), decay mode, and stall detection. The driver also provides back-EMF feedback that can be used for more advanced control and stall detection algorithms. Additional features include reverse-voltage, under-voltage, and over-current protection.