All Products

SKU: DF-DFR1132 · MPN: DFR1132

##Introduction Gravity: Linear/Analog Hall Sensor is a high-precision device designed for measuring and monitoring magnetic field strength. Advanced Hall effect circuitry at the core converts magnetic induction strength directly into a voltage output. The sensor responds uniquely to magnetic fiel...

SKU: DF-SEN0098-V2 · MPN: SEN0098-V2

##Introduction This is an updated version. Retired Product: Gravity: Analog 50A Current Sensor (AC/DC) V1Get this low-power current sensor to monitor your project every second for saving energy or protecting the circuit!This fully integrated Hall Effect-based linear STK-600/M current sensor gives...

SKU: AF-833

This brass liquid flow meter measures water or other liquid flow using a pinwheel and Hall effect sensor. As liquid passes through the 1/2" threaded brass body, it spins an internal pinwheel with a magnet attached. A Hall effect sensor on the outside of the tube counts the rotations through the m...

SKU: DF-SEN0221

The Hall Angle Sensor is a miniature 360 degree sensor which works based on the principle of the Hall effect. It is compatible with the DFRobot Gravity sensor interface, and works with a 5V DC power supply. The analog output is also 0~5V so it can work directly with Arduino. The Hall an...

SKU: AF-828

An inline flow sensor for measuring liquid or water flow in solar heating, computer cooling, irrigation, and other fluid projects. The sensor uses a pinwheel with a magnet and an external hall effect sensor to count rotations through the plastic wall, keeping the electronics safe and dry. Each p...

SKU: AF-158

Hall effect sensors detect whether a magnet is near. Useful for non-contact/waterproof type switches, position sensors, rotary/shaft encoders. I tried dozens of different hall effect sensors to see which one would work best for the SpokePOV kit (to determine the wheel location) and this one...

SKU: LB-LR0030

A simple analog Hall effect sensor module for detecting magnetic fields with Arduino. When a magnet is detected, the on-board LED turns on and the analog output changes proportionally to the field strength — making it easy to detect both the presence and relative proximity of a magnet. Key Featu...

SKU: AF-4641

This N20 micro DC gearmotor includes a built-in magnetic encoder with two Hall effect sensors, providing both speed and direction feedback without additional wiring. The compact N20 form factor makes it ideal for small robotics projects where precise motor control is needed. The magnetic encoder...

SKU: SF-ROB-17754

This 12V brushed DC gearmotor features a 9.68:1 metal spur gearbox and an integrated 48 CPR quadrature encoder on the motor shaft, providing 464.64 counts per revolution of the gearbox output. The two-channel Hall effect encoder senses a magnetic disk on the motor shaft, delivering speed and dire...

SKU: DF-SEN0214

The Gravity Analog 20A Current Sensor measures both AC and DC current using the Hall effect, outputting a proportional analog voltage to your microcontroller. With high-voltage isolation built into the circuit design and a non-conductive acrylic base plate, it's designed for safe use in automatio...

SKU: DF-SEN0337

TOF Sense is a TOF-based (Time of Flight) laser ranging sensor that offers 1cm-5m detection range, 1mm resolution, ± 1.5cm error, and 10Hz data update frequency. The sensor supports 15 ° ~ 27 ° adjustable FOV, UART and CAN communication (selected by setting). Besides, it allows users to actively ...

SKU: PL-4049

The ACS724 Current Sensor Carrier provides a compact breakout for Allegro's ±50A ACS724LLCTR-50AB Hall effect-based linear current sensor. It offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.4 kV RMS, making it suitable for high-current monitoring in motors, power s...

SKU: SF-ROB-24053 · MPN: ROB-24053

These DG01D-E hobby motors come as a matched pair, each with a built-in hall effect speed encoder and a 1:48 plastic gearbox. The hall sensor detects the magnetic plate's polarity — south pole outputs high, north pole outputs low — giving you precise speed and position feedback for closed-loop mo...

SKU: DF-FIT0185

This 12 V DC geared motor (model GB37Y3530-12V-83R) pairs a powerful brushed motor with a 131:1 metal gearbox and an integrated Hall-effect quadrature encoder. The encoder provides 16 counts per revolution on the motor shaft — equivalent to 2096 counts per revolution on the gearbox output — givin...

SKU: AF-4416

This geared DC motor comes with a built-in magnetic encoder — a magnetic wheel and two Hall effect sensors are already attached to the motor body, giving you quadrature feedback for both speed and direction without any extra wiring or mounting. It's the ideal starting point for closed-loop motor ...

SKU: SF-ROB-12629

The DAGU Wheel Encoder Kit is a simple add-on for wheeled robots that measures speed and distance travelled. Each kit includes two neodymium 8-pole magnets with rubber hubs and two hall-effect sensors, providing reliable rotational feedback for odometry and motion control. The sensors come pre-t...

SKU: AF-5066

Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter featuring a fully clear plastic body. This sensor sits in line with your water line and uses a pinwheel sensor to measure how much liquid has moved through it. The pinwheel has a lit...

SKU: DF-SEN0216

The Water Flow sensor measures the rate of a liquid flowing through it. The YF-S401 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usually used at the inlet end to detect the amount of flow. When liquid flows through the sensor, a magnetic rotor w...

SKU: AF-3614

Harder, better, faster, stronger! All the control and customization for your robot project. The Parallax Feedback 360° High Speed Servo has the functionality of a light-duty servo, continuous rotation servo, high-speed servo, and encoder in one convenient package - what a triple thre...

SKU: SF-SEN-23880 · MPN: SEN-23880

The SparkFun TMAG5273 Linear 3D Hall-Effect Sensor is a low-power, high-precision magnetic field sensor that detects the presence, strength, and direction of magnetic fields in three dimensions. Built on a standard 25.4 × 25.4 mm (1 × 1 in) Qwiic breakout, it communicates over I²C with no solderi...