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This version of our DRV8434 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. Please see the DRV8434 Stepper Motor Driver Carrier product page for more information about the driver.

This breakout board for TI’s DRV8434 microstepping bipolar stepper motor driver offers microstepping down to 1/256-step and operates from 4.5 V to 48 V. It can deliver up to approximately 1.2 A continuous per phase without a heat sink or forced air flow (2 A peak). The driver has inputs for setting the decay mode and includes two smart tune current regulation modes that help you achieve smooth steps without manual tuning. The module has a pinout and interface that are very similar to that of our popular A4988 carriers, so it can be used as a drop-in replacement for those boards in many applications. It features built-in protection against under-voltage, over-current, and over-temperature conditions.

This sensor is a carrier/breakout board for ST’s VL53L7CX laser-ranging sensor, which offers fast and accurate ranging up to 3.5 m through a digital I²C interface. It has an extra-wide 60°×60° square field of view (FOV) (90° diagonal), and it can measure absolute distances to multiple targets simultaneously across multiple zones, providing enough data for a depth map with up to 8×8 resolution. The board includes a 3.3 V linear regulator and level-shifters that allow it to work over an input voltage range of 2.5 V to 5.5 V, and the 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards. Note: This is not recommended for use with 8-bit MCUs; for such applications, consider the VL53L1X, VL53L0X carrier, or VL6180X carrier.

This synchronous switching step-up/step-down regulator efficiently produces 9 V from input voltages between 1.4 V and 16 V. (Note: minimum startup voltage is 2.7 V, but it operates down to 1.4 V after that.) Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 9 V. The available output current depends on the input voltage (typically around 1 A continuous for input voltages close to the output). The regulator also features an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 15 µA per volt on VIN. The board measures 0.4″ × 0.65″ and has a typical efficiency of 80% to 90%.

This synchronous switching step-up/step-down regulator efficiently produces 7.5 V from input voltages between 1.4 V and 16 V. (Note: minimum startup voltage is 2.7 V, but it operates down to 1.4 V after that.) Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 7.5 V. The available output current depends on the input voltage (typically over 1 A for continuous for input voltages close to the output). The regulator also features an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 15 µA per volt on VIN. The board measures 0.4″ × 0.65″ and has a typical efficiency of 80% to 90%.

This synchronous switching step-up/step-down regulator efficiently produces 6 V from input voltages between 1.4 V and 16 V. (Note: minimum startup voltage is 2.7 V, but it operates down to 1.4 V after that.) Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 6 V. The available output current depends on the input voltage (typically between 1 A and 1.5 A continuous for input voltages close to the output). The regulator also features an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 15 µA per volt on VIN. The board measures 0.4″ × 0.65″ and has a typical efficiency of 80% to 90%.

This synchronous switching step-up/step-down regulator efficiently produces 5 V from input voltages between 1.4 V and 16 V. (Note: minimum startup voltage is 2.7 V, but it operates down to 1.4 V after that.) Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 5 V. The available output current depends on the input voltage (typically between 1 A and 1.5 A continuous for input voltages close to the output). The regulator also features an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 15 µA per volt on VIN. The board measures 0.4″ × 0.65″ and has a typical efficiency of 80% to 90%.

This synchronous switching step-up/step-down regulator efficiently produces 3.3 V from input voltages between 1.4 V and 16 V. (Note: minimum startup voltage is 2.7 V, but it operates down to 1.4 V after that.) Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 3.3 V. The available output current depends on the input voltage (typically between 1 A and 1.5 A continuous for input voltages close to the output). The regulator also features an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 15 µA per volt on VIN. The board measures 0.4″ × 0.65″ and has a typical efficiency of 80% to 90%.

This board is a simple carrier of Allegro’s bidirectional ±2.5A ACS724LLCTR-2P5AB Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.4 kV RMS. This version accepts a bidirectional current input with a magnitude up to 2.5 A and outputs a proportional analog voltage (800 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.

This board is a simple carrier of Allegro’s unidirectional 5A ACS724LLCTR-05AU Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.4 kV RMS. This version accepts a unidirectional current input up to 5 A and outputs a proportional analog voltage (800 mV/A) that measures 500 mV when the input current is zero. The typical output error is ±0.9%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.

This board is a simple carrier of Allegro’s bidirectional ±10A ACS724LLCTR-10AB Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.4 kV RMS. This version accepts a bidirectional current input with a magnitude up to 10 A and outputs a proportional analog voltage (200 mV/A) centered at 2.5 V with a typical error of ±1%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.

This board is a simple carrier of Allegro’s unidirectional 20A ACS724LLCTR-20AU Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.4 kV RMS. This version accepts a unidirectional current input up to 20 A and outputs a proportional analog voltage (200 mV/A) that measures 500 mV when the input current is zero. The typical output error is ±0.7%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.

This board is a simple carrier of Allegro’s bidirectional ±30A ACS724LLCTR-30AB Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.4 kV RMS. This version accepts a bidirectional current input with a magnitude up to 30 A and outputs a proportional analog voltage (66 mV/A) centered at 2.5 V with a typical error of ±0.8%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.

The AltIMU-10 v6 is an inertial measurement unit (IMU) and altimeter that features the same LSM6DSO gyro and accelerometer and LIS3MDL magnetometer as the MinIMU-9 v6, and adds an LPS22DF digital barometer. An I²C interface accesses ten independent pressure, rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s altitude and absolute orientation. The board operates from 2.5 to 5.5 V and has a 0.1″ pin spacing.

The MinIMU-9 v6 is an inertial measurement unit (IMU) that packs an LSM6DSO 3-axis gyro and 3-axis accelerometer and an LIS3MDL 3-axis magnetometer onto a tiny 0.8″ × 0.5″ board. An I²C interface accesses nine independent rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s absolute orientation. The MinIMU-9 v6 board includes a voltage regulator and a level-shifting circuit that allow operation from 2.5 to 5.5 V, and the 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards.

This carrier for ST’s LPS22DF digital barometer measures pressures from 260 mbar to 1260 mbar (26 kPa to 126 kPa) with absolute accuracy down to ±0.5 mbar (0.05 kPa) and typical RMS noise of 0.0034 mbar (0.34 Pa) in high-resolution mode. These pressures can easily be converted to altitudes. The board has a 3.3 V linear regulator and integrated level shifters that allow it to work over an input voltage range of 1.8 V to 5.5 V, and the 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards. The sensor offers I²C/I3C and SPI interfaces.

The Motoron M2U550 Dual I²C Motor Controller offers a compact solution for controlling two DC motors using a UART interface. Multiple Motoron controllers can be connected to the same serial bus, making it easy to expand a system with additional motors. The M2U550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.6 A per motor. This version ships with header pins included but not soldered in.

The Motoron M2U550 Dual I²C Motor Controller offers a compact solution for controlling two DC motors using a UART interface. Multiple Motoron controllers can be connected to the same serial bus, making it easy to expand a system with additional motors. The M2U550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.6 A per motor. This version ships with soldered headers.

The Motoron M2T550 Dual I²C Motor Controller offers a compact solution for controlling two DC motors using an I²C interface. Multiple Motoron controllers can be connected to the same I²C bus, making it easy to expand a system with additional motors. The M2T550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.6 A per motor. This version ships with header pins included but not soldered in.

The Motoron M2T550 Dual I²C Motor Controller offers a compact solution for controlling two DC motors using an I²C interface. Multiple Motoron controllers can be connected to the same I²C bus, making it easy to expand a system with additional motors. The M2T550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.6 A per motor. This version ships with soldered headers.

The Motoron M1U550 Single I²C Motor Controller offers a compact solution for controlling one DC motor using a UART serial interface. Multiple Motoron controllers can be connected to the same serial bus, making it easy to expand a system with additional motors. The M1U550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.8 A. This version ships with header pins included but not soldered in.

The Motoron M1U550 Single I²C Motor Controller offers a compact solution for controlling one DC motor using a UART serial interface. Multiple Motoron controllers can be connected to the same serial bus, making it easy to expand a system with additional motors. The M1U550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.8 A. This version ships with soldered headers.

The Motoron M1T550 Single I²C Motor Controller offers a compact solution for controlling one DC motor using an I²C interface. Multiple Motoron controllers can be connected to the same I²C bus, making it easy to expand a system with additional motors. The M1T550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.8 A. This version ships with header pins included but not soldered in.

The Motoron M1T550 Single I²C Motor Controller offers a compact solution for controlling one DC motor using an I²C interface. Multiple Motoron controllers can be connected to the same I²C bus, making it easy to expand a system with additional motors. The M1T550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.8 A. This version ships with soldered headers.

The Motoron M3H550 Triple Motor Controller makes it easy to control DC motors from a Raspberry Pi (Model B+ or newer) through an I²C interface. Each module can independently control up to three motors, and multiple Motoron boards can be stacked on top of the same Raspberry Pi for projects that need to control even more motors. The M3H550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.7 A per motor. This version is just the motor controller by itself, without any connectors or mounting hardware included.

The Motoron M3H550 Triple Motor Controller makes it easy to control DC motors from a Raspberry Pi (Model B+ or newer) through an I²C interface. Each module can independently control up to three motors, and multiple Motoron boards can be stacked on top of the same Raspberry Pi for projects that need to control even more motors. The M3H550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.7 A per motor. This version ships with a variety of header pin and terminal block options included but not soldered in.

The Motoron M3H550 Triple Motor Controller makes it easy to control DC motors from a Raspberry Pi (Model B+ or newer) through an I²C interface. Each module can independently control up to three motors, and multiple Motoron boards can be stacked on top of the same Raspberry Pi for projects that need to control even more motors. The M3H550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.7 A per motor. This version ships with soldered stackable headers and terminal blocks.

The Motoron M3S550 Triple Motor Controller Shield for Arduino makes it easy to control DC motors from an Arduino or Arduino-compatible board through an I²C interface. Each module can independently control up to three motors, and multiple shields can be stacked on top of the same Arduino for projects that need to control even more motors. The M3S550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.7 A per motor. This version is just the motor controller by itself, without any header pins or terminal blocks included.

The Motoron M3S550 Triple Motor Controller Shield for Arduino makes it easy to control DC motors from an Arduino or Arduino-compatible board through an I²C interface. Each module can independently control up to three motors, and multiple shields can be stacked on top of the same Arduino for projects that need to control even more motors. The M3S550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.7 A per motor. This version ships with a variety of header pin and terminal block options included but not soldered in.

The Motoron M3S550 Triple Motor Controller Shield for Arduino makes it easy to control DC motors from an Arduino or Arduino-compatible board through an I²C interface. Each module can independently control up to three motors, and multiple shields can be stacked on top of the same Arduino for projects that need to control even more motors. The M3S550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.7 A per motor. This version ships with soldered stackable headers and terminal blocks.

This synchronous switching step-up/step-down regulator efficiently produces 15 V from input voltages between 2.8 V and 22 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 15 V. The board measures 0.9″ × 0.9″, has a typical efficiency of 85% to 95%, and can supply typical continuous output currents between 0.5 A and 3 A depending on the input voltage. The regulator also features reverse voltage protection and an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 10 µA per volt on VIN.

This synchronous switching step-up/step-down regulator efficiently produces 12 V from input voltages between 2.8 V and 22 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 12 V. The board measures 0.9″ × 0.9″, has a typical efficiency of 85% to 95%, and can supply typical continuous output currents between 0.5 A and 3 A depending on the input voltage. The regulator also features reverse voltage protection and an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 10 µA per volt on VIN.

This synchronous switching step-up/step-down regulator efficiently produces 9 V from input voltages between 2.8 V and 22 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 9 V. The board measures 0.9″ × 0.9″, has a typical efficiency of 85% to 95%, and can supply typical continuous output currents between 1 A and 3 A depending on the input voltage. The regulator also features reverse voltage protection and an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 10 µA per volt on VIN.

This synchronous switching step-up/step-down regulator efficiently produces 7.5 V from input voltages between 2.8 V and 22 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 7.5 V. The board measures 0.9″ × 0.9″, has a typical efficiency of 85% to 95%, and can supply typical continuous output currents between 1 A and 3.5 A depending on the input voltage. The regulator also features reverse voltage protection and an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 10 µA per volt on VIN.

This synchronous switching step-up/step-down regulator efficiently produces 6 V from input voltages between 2.8 V and 22 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 6 V. The board measures 0.9″ × 0.9″, has a typical efficiency of 85% to 95%, and can supply typical continuous output currents between 1.5 A and 3.5 A depending on the input voltage. The regulator also features reverse voltage protection and an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 10 µA per volt on VIN.

This synchronous switching step-up/step-down regulator efficiently produces 3.3 V from input voltages between 2.8 V and 22 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 3.3 V. The board measures 0.9″ × 0.9″, has a typical efficiency of 85% to 95%, and can supply typical continuous output currents between 2.5 A and 3.5 A depending on the input voltage. The regulator also features reverse voltage protection and an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 10 µA per volt on VIN.

The Pololu 3pi+ 2040 robot is a palm-sized, high-performance mobile platform based on the Raspberry Pi RP2040 MCU. Its many features include dual quadrature encoders for closed-loop speed or position control, line sensors, front bump sensors, a full IMU (3-axis accelerometer, magnetometer, and gyro), six RGB LEDs, and a graphical OLED display. This Standard Edition version is assembled with 30:1 MP 6V Micro Metal Gearmotors, which offer a good combination of speed and controllability.

The Pololu 3pi+ 2040 robot is a palm-sized, high-performance mobile platform based on the Raspberry Pi RP2040 MCU, and this kit contains all the parts you need to build the Standard Edition version, including a pair of 30:1 MP 6V Micro Metal Gearmotors. The many features of the 3pi+ include dual quadrature encoders for closed-loop speed or position control, line sensors, front bump sensors, a full IMU (3-axis accelerometer, magnetometer, and gyro), six RGB LEDs, and a graphical OLED display. This product is a kit; assembly (including soldering) is required.

This is the control board for the 3pi+ 2040 robot, and it is included as part of the Standard Edition, Turtle Edition, and Hyper Edition 3pi+ 2040 kits and robots. It can be used as a replacement part for those products, or it can be assembled with the 3pi+ Chassis Kit, a pair of 6V Micro Metal Gearmotors with extended motor shafts, and a graphical OLED display to create a “custom edition” 3pi+ 2040 robot.

The Pololu 3pi+ 2040 robot is a palm-sized, high-performance mobile platform based on the Raspberry Pi RP2040 MCU, and this kit contains all the parts you need to build the Hyper Edition version, including a pair of 15:1 HPCB 6V Micro Metal Gearmotors. This product is a kit; assembly (including soldering) is required.

NOTE: This version is difficult to control and fast enough to damage itself from impacts, so it is only recommended for advanced users. A spare 15:1 gearbox is included.

The Pololu 3pi+ 2040 robot is a high-performance mobile platform based on the Raspberry Pi RP2040 MCU. Its many features include dual quadrature encoders for closed-loop speed/position control, line sensors, front bump sensors, a full IMU (3-axis accelerometer, magnetometer, and gyro), and a graphical OLED display. This Hyper Edition version is assembled with high-speed 15:1 HPCB 6V Micro Metal Gearmotors.

NOTE: This version is difficult to control and fast enough to damage itself from impacts, so it is only recommended for advanced users. A spare 15:1 gearbox is included.

The Pololu 3pi+ 2040 robot is a palm-sized, high-performance mobile platform based on the Raspberry Pi RP2040 MCU, and this kit contains all the parts you need to build the Turtle Edition version, including a pair of 75:1 LP 6V Micro Metal Gearmotors. The many features of the 3pi+ include dual quadrature encoders for closed-loop speed or position control, line sensors, front bump sensors, a full IMU (3-axis accelerometer, magnetometer, and gyro), six RGB LEDs, and a graphical OLED display. This product is a kit; assembly (including soldering) is required.

The Pololu 3pi+ 2040 robot is a palm-sized, high-performance mobile platform based on the Raspberry Pi RP2040 MCU. Its many features include dual quadrature encoders for closed-loop speed or position control, line sensors, front bump sensors, a full IMU (3-axis accelerometer, magnetometer, and gyro), six RGB LEDs, and a graphical OLED display. This Turtle Edition version is assembled with 75:1 LP 6V Micro Metal Gearmotors, which allow for longer battery life than the other editions. The maximum robot speed is approximately 0.4 m/s, making it well suited for applications where slow, controlled speed is important, such as coordinated swarm robots and introductory robotics courses.

Get a FREE copy of Circuit Cellar magazine’s April issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0423 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

Get a FREE copy of Circuit Cellar magazine’s March issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0323 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

Get a FREE copy of Circuit Cellar magazine’s February issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0223 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

The LOCOSYS LC20031-V2 integrates a global navigation satellite system (GNSS) receiver with an embedded antenna to create a complete GNSS module that can track up to 135 signals at a time from GPS and many other satellite systems, with support for both L1 and L5 bands. It can provide updates at up to 10 Hz, has a built-in rechargeable battery for rapid satellite acquisition (external power is still required for normal operation), and outputs data as NMEA sentences through a 3.3 V or 5 V TTL-level serial port.

These 24″ (60 cm) premium jumper wires are made from 26 AWG stranded copper ribbon cable with female crimp pins on one end and male crimp pins on the other end. Together with our 0.1″ crimp connector housings, these wires can be used to make custom cables with 0.1″ (2.54 mm) connectors. There are ten total wires, each a different color, and individual wires or groups of wires are easy to peel apart.

These 12″ (30 cm) premium jumper wires are made from 26 AWG stranded copper ribbon cable with female crimp pins on both ends. Together with our 0.1″ crimp connector housings, these wires can be used to make custom cables with 0.1″ (2.54 mm) connectors. There are ten total wires, each a different color, and individual wires or groups of wires are easy to peel apart.

These 6″ (15 cm) premium jumper wires are made from 26 AWG stranded copper ribbon cable with male crimp pins on both ends. Together with our 0.1″ crimp connector housings, these wires can be used to make custom cables with 0.1″ (2.54 mm) connectors. There are ten total wires, each a different color, and individual wires or groups of wires are easy to peel apart.