New Products

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 CIRCUIT0320 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 CIRCUIT0220 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

These magnetic discs can be used with our 20D mm metal gearmotors (extended motor shaft versions only) as part of a quadrature encoder system that offers 12 counts per revolution. They are 2 mm thick with an outer diameter of 9.7 mm and an inner diameter of 2.0 mm. Appropriate Hall Effect sensors, such as those in our magnetic encoder pair kit for 20D mm gearmotors, are required to complete the system. These discs are bulk-packaged and must be ordered in multiples of five.

These black plastic wheels have silicone tires and measure 90 mm (3.54″) in diameter. They mount onto standard servo splines with 25 teeth and a 5.8 mm diameter, such as the splines on FEETECH’s FS5106R, Power HD’s AR-3606HB, and SpringRC’s SM-S4303R continuous rotation servos. This product is a pair of wheels.

These black plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter. They mount onto standard servo splines with 25 teeth and a 5.8 mm diameter, such as the splines on FEETECH’s FS5106R, Power HD’s AR-3606HB, and SpringRC’s SM-S4303R continuous rotation servos. This product is a pair of wheels.

These black plastic wheels have silicone tires and measure 60 mm (2.36″) in diameter. They mount onto micro servo splines with 20 teeth and a 4.8 mm diameter, such as the splines on FEETECH’s FS90R micro continuous rotation servos and FT90R digital micro continuous rotation servos. This product is a pair of wheels.

These black plastic wheels have silicone tires and measure 40 mm (1.57″) in diameter. They mount onto micro servo splines with 20 teeth and a 4.8 mm diameter, such as the splines on FEETECH’s FS90R micro continuous rotation servos and FT90R digital micro continuous rotation servos. This product is a pair of wheels.

This gearmotor is a powerful 24V brushed DC motor with a 150:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 9600 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 131.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 8400 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 102.08:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 6533 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 70:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 4480 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 50:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 3200 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 30:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1920 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 18.75:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1200 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 10:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 640 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful 24V brushed DC motor with a 6.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 400 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This is the motor and encoder portion of our 24V 37D mm metal gearmotors with 64 CPR encoders. It does not include a gearbox, but the pinion gear on the output shaft works with all of our helical pinion 37D mm gearmotor gearboxes, so this can be used as a replacement motor or encoder for those gearboxes.

Key specifications:

This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 12 V. The board measures only 1″ × 1″ yet delivers typical maximum continuous output currents between 2.3 A and 6.5 A, depending on the input voltage, which makes it well suited for powering moderate to large loads. An optional enable input with a precise cutoff threshold can be used to put the regulator in a low-power state with a current draw of 10 µA to 20 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage.

This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 9 V. The board measures only 1″ × 1″ yet delivers typical maximum continuous output currents between 2.7 A and 7 A, depending on the input voltage, which makes it well suited for powering moderate to large loads. An optional enable input with a precise cutoff threshold can be used to put the regulator in a low-power state with a current draw of 10 µA to 20 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage.

This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 7.5 V. The board measures only 1″ × 1″ yet delivers typical maximum continuous output currents between 3 A and 7 A, depending on the input voltage, which makes it well suited for powering moderate to large loads. An optional enable input with a precise cutoff threshold can be used to put the regulator in a low-power state with a current draw of 10 µA to 20 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage.

This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 6 V. The board measures only 1″ × 1″ yet delivers typical maximum continuous output currents between 3.3 A and 8 A, depending on the input voltage, which makes it well suited for powering moderate to large loads. An optional enable input with a precise cutoff threshold can be used to put the regulator in a low-power state with a current draw of 10 µA to 20 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage.

This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 5 V. The board measures only 1″ × 1″ yet delivers typical maximum continuous output currents between 3.5 A and 8 A, depending on the input voltage, which makes it well suited for powering moderate to large loads. An optional enable input with a precise cutoff threshold can be used to put the regulator in a low-power state with a current draw of 10 µA to 20 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage.

This powerful synchronous switching step-down (or buck) regulator takes an input voltage from 4.5 V to 50 V and efficiently reduces it to 3.3 V. The board measures only 1″ × 1″ yet delivers typical maximum continuous output currents between 4.5 A and 9.5 A, depending on the input voltage, which makes it well suited for powering moderate to large loads. An optional enable input with a precise cutoff threshold can be used to put the regulator in a low-power state with a current draw of 10 µA to 20 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage.

Get a FREE copy of Circuit Cellar magazine’s January issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0120 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

The RoboClaw motor controllers from Basicmicro (formerly Ion Motion Control) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 60 A per channel (120 A peak) and operates up to 60 V. This product is also sometimes referred to as the RoboClaw HV 2x60A.

This gearmotor is a powerful 12V brushed DC motor with a 10:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 640 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful brushed DC motor with 10:1 metal gearbox intended for operation at 12 V. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available with an integrated encoder.

Key specifications:

This gearmotor is a powerful 12V brushed DC motor with a 6.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 400 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specifications:

This gearmotor is a powerful brushed DC motor with 6.25:1 metal gearbox intended for operation at 12 V. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available with an integrated encoder.

Key specifications:

This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specifications:

This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specifications:

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specifications:

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specifications:

This gearmotor is a miniature high-power, 6 V brushed DC motor with a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specifications:

This gearmotor is a miniature high-power, 6 V brushed DC motor with a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specifications:

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specifications:

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specifications:

This gearmotor is a miniature low-power, 6 V brushed DC motor with a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specifications:

This gearmotor is a miniature low-power, 6 V brushed DC motor with a 15.25:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specifications:

Get a FREE copy of Circuit Cellar magazine’s December issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT1219 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

The RoboClaw motor controllers from Basicmicro (formerly Ion Motion Control) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 60 A per channel (120 A peak) and operates up to 34 V.

Get a FREE copy of Circuit Cellar magazine’s November issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT1119 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

This 75 cm (30″) cable has six 28 AWG wires and a 6-pin female JST SH-type connector that works with our Micro Metal Gearmotor Encoders with top-entry connectors and with side-entry connectors. The other ends of the wires are unterminated; they can be cut to length to match your application.

This 30 cm (12″) cable has six 28 AWG wires and a 6-pin female JST SH-type connector that works with our Micro Metal Gearmotor Encoders with top-entry connectors and with side-entry connectors. The other ends of the wires are unterminated; they can be cut to length to match your application.

This 12 cm (4.5″) cable has six 28 AWG wires and a 6-pin female JST SH-type connector that works with our Micro Metal Gearmotor Encoders with top-entry connectors and with side-entry connectors. The other ends of the wires are unterminated; they can be cut to length to match your application.

Add quadrature encoders to your micro metal gearmotors (extended back shaft version required) with this kit that uses a magnetic disc and Hall effect sensors to provide 12 counts per revolution of the motor shaft. The sensors operate from 2.7 V to 18 V and provide digital outputs that can be connected directly to a microcontroller or other digital circuit. These encoders have a side-entry, 6-pin male JST SH-type connector, and we have cables that work with them available in several lengths (12 cm, 30 cm, and 75 cm). This module is compatible with all of the dual-shaft micro metal gearmotors we carry, including the HPCB versions.

Add quadrature encoders to your micro metal gearmotors (extended back shaft version required) with this kit that uses a magnetic disc and Hall effect sensors to provide 12 counts per revolution of the motor shaft. The sensors operate from 2.7 V to 18 V and provide digital outputs that can be connected directly to a microcontroller or other digital circuit. These encoders have a top-entry, 6-pin male JST SH-type connector, and we have cables that work with them available in several lengths (12 cm, 30 cm, and 75 cm). This module is compatible with all of the dual-shaft micro metal gearmotors we carry, including the HPCB versions.

Get a FREE copy of Circuit Cellar magazine’s October issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT1019 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

This board is a simple carrier of Broadcom’s bidirectional ±50A ACHS-7124 Hall effect-based linear current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation up to 3 kV RMS. This version accepts a bidirectional current input with a magnitude up to 50 A and outputs a proportional analog voltage (40 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 Broadcom’s bidirectional ±40A ACHS-7124 Hall effect-based linear current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation up to 3 kV RMS. This version accepts a bidirectional current input with a magnitude up to 40 A and outputs a proportional analog voltage (50 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.