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IG42 24VDC 340 RPM Gear Motor with Encoder

TD-044-340

These heavy duty gear motors have a rated speed of 340 RPM and a gear reduction of 1:17. These geared motors feature encoders and serve as excellent robot motors, but work great for other uses.

$53.54

71 Ready to Ship!

2-Pin Female JST XHP-Style Connector with 12 inch Wires

TE-212-001

This 2-pin female JST-XHP connector has 12-inch (30-cm) 22 AWG wires that mates with our Ethernet switch modules.

$2.99

37 Ready to Ship!

Gas Sensors

Want to build your own breathalyzer? This variety of semiconductor gas sensors makes it possible to measure concentrations of gasses such as alcohol, methane, propane, butane, and carbon monoxide.

Category Items

Pololu Carbon Monoxide & Flammable Gas Sensor MQ-9 This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 1,000 ppm and combustible gas from 100 to 10,000 ppm. TS-056-MQ9 $5.95 7 Ready to Ship!	Pololu Carbon Monoxide Gas Sensor MQ-7 This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. TS-056-MQ7 $4.95 8 Ready to Ship!
Pololu LPG / Isobutane / Propane Gas Sensor MQ-6 This semiconductor gas sensor detects the presence of LPG, isobutane, and propane at concentrations from 300 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. TS-056-MQ6 $4.95 8 Ready to Ship!	Pololu Methane Gas Sensor MQ-4 This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. TS-056-MQ4 $4.95 8 Ready to Ship!
Pololu Alcohol Gas Sensor MQ-3 This semiconductor gas sensor detects the presence of alcohol gas at concentrations from 0.04 mg/L to 4 mg/L, a range suitable for making a breathalyzer. TS-056-MQ3 $4.49 10 Ready to Ship!	Pololu Flammable Gas & Smoke Sensor MQ-2 This semiconductor gas sensor detects the presence of combustible gas and smoke at concentrations from 300 to 10,000 ppm. The sensor's simple analog voltage interface requires only one analog input pin from your microcontroller. TS-056-MQ2 $3.95 8 Ready to Ship!
Pololu MQ Gas Sensor Carrier This carrier board is designed to work with any of the MQ-series "gas sensors". TS-056-MQ0 $0.95 39 Ready to Ship!	Humidity Sensor Carrier HIH-4030 This is a carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with humidity. TS-051-000 $16.95 8 Ready to Ship!

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New Items

DEMO Prebuilt LT2-F with 8ft Zippermast

TP-500-166

This is a prebuilt custom robot ready to ship. It uses our popular LT2-F chassis with 8ft Zippermast to make surveillance possible from 8 foot high.

~~$28,600.00~~ $22,319.00

1 Ready to Ship!

Pololu 5V, 5A Step-Down Voltage Regulator D24V50F5

TE-296-000

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″, but it allows a typical continuous output current of up to 5 A.

$14.95

18 Ready to Ship!

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