Sensors & Input

SKU: DF-SEN0473 | Brand: DFRobot

This is a sensor that detects hydrogen concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ...

SKU: DF-SEN0471 | Brand: DFRobot

This is a sensor that detects nitrogen dioxide concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentra...

SKU: DF-SEN0468 | Brand: DFRobot

This is a sensor that detects chlorine concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ...

SKU: DF-SEN0472 | Brand: DFRobot

This is a sensor that detects ozone concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ozo...

SKU: DF-SEN0404 | Brand: DFRobot

Devices with True Tone technology like Apple iPad Pro, iPhone, and Macs usually feature sensors that measure the ambient light colour and brightness. The device then uses this information to automatically adjust its d...

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-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-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-SEN0375 | Brand: DFRobot

BME680 is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatile Organic Compounds) sensor, temperature sensor, humidity sensor and barometer. It is designed for air quality monitor, and du...

SKU: EF-EF04090 | Brand: ElecFreaks

The Octopus PM2.5 module from ElecFreaks is a laser-based particulate matter sensor built around the ZH03B dust sensor. It measures PM2.5 concentration in the air with high consistency and real-time response, capable ...

SKU: DF-SEN0321 | Brand: DFRobot

The Gravity IIC Ozone Sensor measures ozone (O₃) concentration from 0 to 10 ppm with 10 ppb resolution using an electrochemical sensing element. Factory-calibrated for accurate readings out of the box, it connects via...

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-DFR0641 | Brand: DFRobot

This precise RTC adopts DS3231M chip, which integrates MEMS resonator and temperature compensator. Compared to quartz crystal clock, the real-time clock reduces the risk of mechanical failure. Therefore, it can be use...

SKU: AF-992 | Brand: Adafruit

This pressure sensor from Freescale is a great low-cost sensing solution for measuring barometric pressure. At 1.5 hPa resolution, it's not as precise as our favorite pressure sensor, the BMx280 series, which has u...

SKU: SF-DEV-15162 | Brand: SparkFun

The SparkFun gator:bit v2.0 is an all-in-one “carrier” board for your micro:bit that provides you with a fully functional development and prototyping platform. Almost every pin on the micro:bit is broken out to pads t...