Sensors & Input

SKU: DF-SEN0151 | Brand: DFRobot

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...

SKU: DF-SEN0454 | Brand: DFRobot

A relay-output water leak detector with NO/NC (normally open/normally closed) switching. When water contacts the two sensing probes, the built-in relay triggers — suitable for activating alarms or shutting off equipme...

SKU: DF-DFR0844 | Brand: DFRobot

After purchasing an open-source product that is not electrical level compatible, you may find that your sensor cannot work normally or even is easy to be damaged because the level of the sensor and your controller are...

SKU: DF-SEN0289 | Brand: DFRobot

Do you want to switch lights by just shaking your hand? However, you may don't want to use a complicated and costly triple axis accelerometer. This digital shake sensor is sure to meet your needs. The digital shake s...

SKU: DF-DFR0843 | Brand: DFRobot

After purchasing an open-source product that is not electrical level compatible, you may find that your sensor cannot work normally or even is easy to be damaged because the level of the sensor and your controller are...

SKU: AF-4760 | Brand: Adafruit

The ESP8266 started a small revolution by bringing WiFi to a small and cheap package that also had enough processing power and enough pins to get small things done. Then the ESP32 came out with tons of pins, Bluetooth...

SKU: SF-SEN-17372 | Brand: SparkFun

Passive Infrared (PIR) sensors are great for detecting motion in a small area around the sensor. The 170µA SparkFun EKMC4607112K PIR Breakout is a simple board equipped with an EKM-series PIR sensor from Panasonic®. T...

SKU: SF-WRL-18583 | Brand: SparkFun

It's best to think of the ESP32-S2 WROOM Module as the next step in the ESP32 WROOM module line. It builds on the benefits of the original ESP32 WROOM Module with new and improved features such as security, display su...

SKU: DF-DFR0810 | Brand: DFRobot

ESP32-C3-WROOM-02 is a universal Wi-Fi and low-power Bluetooth LE module. The rich set of peripherals and small size make the two modules an ideal choice for smart homes, industrial automation, health care, consumer e...

SKU: DF-DFR0814 | Brand: DFRobot

ESP32-S2-MINI-1 is a powerful, generic WiFi-MCU module that has a rich set of peripherals. It can be applied in a wide variety of scenarios relating to wearable electronics, smart home, etc. The module embeds ESP32...

SKU: DF-DFR0743-SOLO | Brand: DFRobot

ESP32-S2- SOLO is a generic WiFi MCU module featuring rich peripherals and high performance. The module has 38 pins and 4 MB SPI flash. With the smallest size of 18×25.5×3.1mm among the S2 modules, it is ver...

SKU: DF-DFR0743-WROVER | Brand: DFRobot

The ESP32-S2-WROVER is a Wi-Fi MCU module built around the ESP32-S2 chip with 4 MB SPI flash and 2 MB PSRAM. The additional PSRAM makes it well suited for applications requiring larger data buffers, such as audio and ...

SKU: DF-FIT0759 | Brand: DFRobot

These Inductive Ring Proximity sensors are designed to detect metal objects entering or passing through the ring. They operate on a 6-36V power supply and offer NPN output. The sensor features less than 1ms response t...

SKU: DF-DFR0743-WROOM | Brand: DFRobot

ESP32-S2- WROOM is a generic WiFi MCU module featuring rich peripherals and high performance. The module has 42 pins and 4MB flash, which can perform stable performance in industrial scenes.At the core of th...

SKU: SF-WRL-17746 | Brand: SparkFun

ESP32-WROOM-32 is a powerful, generic Wi-Fi+BT+BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming...

SKU: DF-SEN0352 | Brand: DFRobot

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 o...

SKU: EF-EF04075 | Brand: ElecFreaks

OCTOPUS Magnetic Switch is a kind of electric brick carrying magnetic switch and compatible with OCTOPUS series. It mainly consists of WBSF12 dry reed switch. WBSF12 is a dry reed tube with frequently open contact ...

SKU: AF-4653 | Brand: Adafruit

The ESP32-S2-WROVER is a Wi-Fi module from Espressif built around the ESP32-S2 SoC — a single-core 240 MHz Xtensa LX7 processor with native USB support, 4 MB flash, and 2 MB PSRAM. It provides 2.4 GHz 802.11b/g/n Wi-F...

SKU: DF-SEN0328 | Brand: DFRobot

The TF03 is an industrial-grade LiDAR sensor with a detection range of up to 100 m. Using pulsed time-of-flight (ToF) measurement, it delivers high accuracy in a compact 44 × 43 × 32 mm package weighing just 77 g. Its...

SKU: EF-EF04006 | Brand: ElecFreaks

The Octopus Mercury Sensor is a tilt and angle detection module based on the mercury switch principle. When tilted, the mercury inside the switch makes or breaks contact, providing a simple way to detect orientation c...