All Products

SKU: EF-EF04089

Sonar:bit is a 3-wire ultrasonic distance sensor designed for micro:bit and Arduino projects. Operating on 3–5V, it works directly with both 3.3V and 5V systems using a single GVS cable — saving an I/O port compared to traditional 4-wire ultrasonic modules. With a measurement range of 4–400cm an...

SKU: DF-SEN0208

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance sensors with a waterproof sealed emitter. This sensor is suitable for outdoor applica...

SKU: DF-SEN0658 · MPN: SEN0658

Bring multiple environmental measurements into one rugged field sensor for Arduino, IoT and monitoring projects. This 9-in-1 unit measures ultrasonic wind speed and direction, air temperature, relative humidity, atmospheric pressure, light intensity, noise, PM2.5 and PM10.Ultrasonic wind sensing ...

SKU: SF-SEN-28798 · MPN: SEN-28798

  This is the HC-SR04 ultrasonic distance sensor, now in Red! This economical sensor offers non-contact measurement functionality ranging from 2cm to 400cm, with a ranging accuracy of up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit. The...

SKU: DF-SEN0270

The MB1413 HRUSB-MaxSonar-EZ1 has millimeter resolution and a ~4Hz read rate, features a great blend of sensitivity as well as side object rejection, and provides short to long distance detection and range information from 300mm to 5000m. The sensor utilizes a USB micro-B connector for sensor int...

SKU: DF-SEN0312

The ME007YS is a waterproof ultrasonic distance sensor designed for non-contact liquid level measurement and other distance sensing applications. With an IP67-rated sealed probe and UART serial output, it delivers reliable readings from 28 cm to 450 cm. Operating at 5V with a simple 3-wire conne...

SKU: DF-TEL0190 · MPN: TEL0190

RainbowLink V2 is a pocket-sized USB Type-C serial debugging workstation that combines four independent communication channels with useful field power outputs. It replaces multiple USB dongles for RS485, RS232 and TTL UART work, making it well suited to field engineering, IoT development and indu...

SKU: DF-SEN0150

Ultrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. They are widely used in detecting displacement, thickness, distance, water level, material level and...

SKU: DF-SEN0352

The DFRobot URM13 is a compact ultrasonic ranging sensor with an open single-probe design. It supports three communication methods — TRIG pulse (SR04-compatible), UART, and I2C — making it versatile for a wide range of applications. The sensor operates on 3.3 V or 5 V, compatible with Arduino, Ra...

SKU: DF-SEN0008

This small sonar ranger from Devantech offers an amazing wide range from 3cm to 6m. The SRF10 is interfaced using the IIC bus. SPECIFICATIONS Voltage-5v Current-15mA Typ. 3mA Standby Frequency-40KHz Maximum Range-6 m(236.2'') Minimum Range-3 cm(1.2'') Max Ana...

SKU: DF-SEN0151

Ultrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. They are widely used in detecting displacement, thickness, distance, water level, material level and...

SKU: LB-LR0230

The HC-SR04 is a widely used ultrasonic distance sensor that measures distances from 2cm to 500cm (approximately 5 metres) with 1cm resolution. It works by emitting a 40kHz ultrasonic pulse, then measuring the time it takes for the echo to return — making it ideal for obstacle detection, range fi...

SKU: DF-SEN0006

The latest model SRF05 Detection range of 3 cm from the original SRF04 -3 m, increased to 1 cm -4 meters. RF04 is compatible with the original. Also has smaller side lobes. Ultrasonic module can be used to identify obstructions, 1 cm -4 meters. Can be easily connected to the micro-controller...

SKU: DF-SEN0002

The URM04 Ultrasonic sensor is developed based upon our popular URM37 ultrasonic sensor, it is using RS485 interface which allows multiple sensors to be used simultaneously . The RS485 interface allows a number of sensors working together. Up to 32 URM04 may be connected together in a network...

SKU: DF-ROB0004

The HCR (Home Care Robot) Mobile Robot Platform is a two-wheel-drive robot chassis with a three-level structure, designed for building indoor service and research robots. The kit includes two DC motors with integrated encoders, two rubber wheels, an omni-directional caster wheel, three collision ...

SKU: EF-EF03085

The HC-SR04 is a widely used ultrasonic distance sensor that provides non-contact measurement from 2 cm to 450 cm with up to 3 mm resolution. It uses a 40 kHz ultrasonic transducer pair — one transmitter and one receiver — to calculate distance based on the time-of-flight of a sound pulse. With ...

SKU: DF-ROB0148-EN · MPN: ROB0148-EN

Maqueen Lite is a compact educational robot platform designed for use with a BBC micro:bit, making it a friendly starting point for STEAM lessons, coding clubs and home learning. It keeps the simple, playful style of micro:bit while adding a mobile robot base for experimenting with movement, sens...

SKU: DF-SEN0152

Ultrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. They are widely used in detecting displacement, thickness, distance, water level, material level and...

SKU: EF-EF03435

An accessory pack for the ElecFreaks Ring:bit Car V2, adding obstacle avoidance, line-following, and colourful LED lighting to your micro:bit-powered car. The kit includes three modules that plug directly into the Ring:bit Car for expanded functionality. What's Included Sonar:bit (Ultrasonic S...

SKU: DF-SEN0007

The SRF08 is an evolutionary step up from the SRF04. It requires less power to operate, has a longer range (up to 6m) and it performs its own internal timing of the return echo. The SRF08 is also fitted with an LDR to measure light levels. Communication with the SRF08 is via the I2C bus that...