Active buzzer module  An Active Buzzer Alarm Module for Arduino is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric.it is a 3.3V-5V DC Electronic Part Active Buzzer Module. This active buzzer rings out as long as it is electrified. Compared with a passive buzzer, it is a bit expensive but easier to […]

The bmp 180 is an ultra-low power, low voltage capable digital barometric pressure, temperature, and altitude sensor. The I2C interface allows for easy system integration with a microcontroller. The BMP180 is based on piezo-resistive technology for EMC robustness, high accuracy and linearity as well as long term stability. This module includes an on-board voltage regulator […]

Specifications: Support 3.3V, 5V Chipset: FT232RL USB power has over current protection, using 500MA self-restore fuse RXD/TXD transceiver communication indicator Pin definition: DTR,RXD,TX,VCC,CTS,GND Pitch:2.54mm Module Size: About 36mm(length)*17.5mm(width) Interface : Mini USB Pin definition: DTR,RXD,TX,VCC,CTS,GND Pitch:2.54mm Module size:36mm(length)*17.5mm(width) Package: 1x FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter Module for Arduino Mini Port.

DHT-11 Digital Temperature And Humidity Sensor is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin (no analog input pins needed). Low power consumption. Relative humidity and temperature measurement All calibration, […]

DHT22 is a basic, digital temperature and humidity sensor compatible with most microcontrollers including the Arduino. It’s also works with Raspberry Pi. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to […]

This is ESP WROOM 32 targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. At the core of this module is the ESP32 chip, which is designed to be scalable and adaptive. There are 2 CPU cores that can be individually […]

– Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module – Low-power dual-core 32-bit CPU for application processors – Up to 240MHz, up to 600 DMIPS – Built-in 520 KB SRAM, external 4M PSRAM – Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC – Support OV2640 and OV7670 cameras with built-in flash – Support for images WiFI upload -Support TF […]

Specifications: 802.11 b/g/n protocol Wi-Fi 2.4 GHz, support WPA/WPA2 Super small module size (11.5mm x 11.5mm) Integrated 10-bit ADC Integrated TCP/IP protocol stack (ipv4 only at the moment) Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLL, regulators, and power management units +20dBm output power in 802.11b mode Supports antenna diversity Deep […]

The Development Kit based on ESP8266, integates GPIO, PWM, IIC, 1-Wire and ADC all in one board. USB-TTL included, plugNplay 10 GPIO, every GPIO can be PWM, I2C, 1-wire PCB antenna Open-source Interactive Programmable Low cost Simple & Smart Wi-Fi enabled Arduino-like hardware IO Advanced API for hardware IO, which can dramatically reduce the redundant […]

 Fingerprint Module consists of optical fingerprint sensor, high–speed DSP processor, high–performance fingerprint alignment algorithm, high–capacity FLASH chips and other hardware and software composition, stable performance, simple structure, with fingerprint entry, image processing, fingerprint matching, search and template storage and other functions.   Features: Perfect function: independent fingerprint collection, fingerprint registration, fingerprint comparison (1: 1) and fingerprint search (1: […]

Power Supply: 3.3V to 5V Output Voltage: Logic Signal (HIGH or LOW) IR Wavelength: 760 nm ~ 1100 nm

Specification: Model Ublox NEO-6M Receiver Type 50 Channels GPS L1 frequency, C/A Code SBAS: WAAS, EGNOS, MSAS Supply Voltage (V) 2.7~ 6 VDC Main Chip NEO-6 Sensitivity Cold Start (without aiding): -147 dBm Hot Start: -156 dBm Reacquisition: -160 dBm Tracking & Navigation: -161 dBm Navigation Update Rate 5Hz Position Accuracy 2 M and better […]

The MPU-6050 is a serious little piece of motion processing tech! By combining a MEMS 3-axis gyroscope and a 3-axis accelerometer on the same silicon die together with an onboard Digital Motion Processor™ (DMP™) capable of processing complex 9-axis Motion Fusion algorithms, the MPU-6050 does away with the cross-axis alignment problems that can creep up […]

Serial Bluetooth module for Arduino and other microcontrollers Operating Voltage: 5V Operating Current: 30mA Range: <100m Works with Serial communication (USART) and TTL compatible Follows IEEE 802.15.1 standardized protocol Uses Frequency-Hopping Spread spectrum (FHSS) Can operate in Master, Slave or Master/Slave mode Can be easily interfaced with Laptop or Mobile phones with Bluetooth Supported baud […]

The HC-SR04 ultrasonic sensor uses sonar to determine a distance to an object like bats or dolphins do. It offers excellent range accuracy and stable readings in an easy-to-use package. Its operation is not affected by sunlight or black material like Sharp rangefinders are (although acoustically soft materials like cloth can be difficult to detect). […]

Infrared Obstacle Avoidance Proximity Sensors Module has builtin IR transmitter and IR receiver that sends out IR energy and looks for reflected IR energy to detect presence of any obstacle in front of the sensor module. The module has on board potentiometer that lets user adjust detection range. The sensor has very good and stable […]

Able to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment) Operating voltage 3V-5V Digital switching outputs (0 and 1) -D0 With fixed bolt hole for easy installation Small board PCB size: 3cm * 1.6cm Power indicator (Red) and the digital switch output indicator (Green) Features wide range voltage comparator LM393 […]

Complete Pulse Oximeter and Heart-Rate Sensor Solution Simplifies Design Integrated LEDs, Photo Sensor, and High-Performance Analog Front -End Tiny 5.6mm x 2.8mm x 1.2mm 14-Pin Optically Enhanced System-in-Package -Ultra-Low-Power Operation Increases Battery Life for Wearable Devices Programmable Sample Rate and LED Current for Power Savings Ultra-Low Shutdown Current (0.7μA, type) -Advanced Functionality Improves Measurement Performance […]

Support Micro SD Card, Micro SDHC card (high-speed card) The level conversion circuit board that can interface level is 5V or 3.3V Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation Control Interface: A total of six pins (GND, […]

This is an Infrared Sensor PIR Motion Detector Automatic Wall Light Holder Socket of standard E27 lamp base. The light wall glows automatically as soon as PIR detects our motion. The holder is very easy to install and suitable for interior lighting, signal lights, home, bedroom, kitchen, KTV, shops, offices Specification: Material: plastic with metal […]