1 Channel Single Ch Relay Module 5V
- Electromechanical 1 channel Switch
- Control voltage: 5V
- HIGH level active
- Quiescent current: 2mA
- Current when the relay is active: ~70mA
- Relay maximum contact voltage – 250VAC or 30VDC
- Relay maximum current – 10A
12V DC 1/2" Solenoid Value for Water Air Normally Closed
- Rated Operating Voltage: 12V DC
- Rated Current: 1A
- Operation Mode: NC (Normally Closed)
- Pressure: 0.02 – 0.8MPa
- Max fluid temperature: 100°C
2 Channel Double Ch Relay Module 5V
- Supply voltage – 3.75V to 6V
- Trigger current – 5mA
- Current when relay is active - ~70mA (single), ~140mA (both)
- Relay maximum contact voltage – 250VAC, 30VDC
- Relay maximum current – 10A
220V AC Solenoid Value 1/2" for Water Air Normally Closed
- Solenoid valve (solenoid) Working medium: Water, air, oil. etc. Male thread: 1/2" voltage: 220V AC Valve type : normally closed Working pressure range: 0.02Mpa-0.8Mpa Temperature range: 0°-80°C Flow specifications: 0.02mpa-3l/min, 0.1mpa-11l/min, 0.8pa-25l/min Body Material: Nylon Plastic
2s Li-ion Battery Charger Protection Module 5A BMS
- Maximum working current: 8 a
- Maximum instantaneous current: 16 a
- Static current: less than 10uA
- Resistance: less than 300 m Ω
- Charging voltage: 8.4 v-9v
- Overcharging range: 4.25-4.35 v plus or minus 0.05 v
- Over voltage range: 2.5-3.0 v plus or minus 0.05 v
4 Channel Four Ch Relay Module 5V
- Supply voltage – 3.75V to 6V
- Trigger current – 5mA
- Current when the relay is active - ~70mA (single), ~300mA (all four)
- Relay maximum contact voltage – 250VAC, 30VDC
- Relay maximum current – 10A
8 Channel Eight Ch Relay Module 5V
- Supply voltage – 3.75V to 6V
- Trigger current – 5mA
- Current when relay is active - ~70mA (single), ~600mA (all eight)
- Relay maximum contact voltage – 250VAC, 30VDC
- Relay maximum current – 10A
A3144 hall effect sensor module Arduino Compatible
- Operating Voltage: 5V DC
- Digital Output 0V or 5V direct interface to a microcontroller with LED indication
- Sensor: Allegro A3144 Hall-effect switch
- LM393 comparator with threshold preset
- PCB Size: 32x12mm
- Detector type: Magnetic Sensing Hall effect
- Detecting range: 7 mm LM393 based design
- Easy to use with Microcontrollers or even with normal Digital/Analog IC
- Small, cheap and easily available
Analog PH Sensor Kit with PH Electrode Probe for Arduino
- Heating voltage: 5V ±0.2V (AC / DC)
- Working current: 5-10mA
- Detectable concentration range: PH0-14
- Detection Temperature range: 0-80℃
- Response time: <5S
- Settling Time: <60S
- Component Power: <0.5W
- Working temperature: -10 -50℃(nominal temperature 20℃)
As608 Optical Fingerprint Sensor Module Biometric
- On board flash memory
- Can store up to 162 fingerprints
- Easy TTL serial interface with controller and other systems
- Green and red LED light indication
- Optical technology
- Compact size
- Can capture images up to resolution 500 dpi
DHT11 Temperature and Humidity Sensor Module
- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: 0°C to 50°C
- Humidity Range: 20% to 90%
- Resolution: Temperature and Humidity both are 16-bit
- Accuracy: ±1°C and ±1%
DHT22 Digital Temperature and Humidity Sensor Module
- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: -40°C to 80°C
- Humidity Range: 0% to 100%
- Resolution: Temperature and Humidity both are 16-bit
- Accuracy: ±0.5°C and ±1%
Digital LDR Sensor Module Light Detection Module
- LM393 based design.
- Can detect ambient brightness and light intensity.
- Adjustable sensitivity (via blue digital potentiometer adjustment).
- Output Digital – 0V to 5V, Adjustable trigger level from preset.
- LEDs indicating output and power.
- Operating Voltage: 3.3V to 5V DC.
- Operating Current: 15ma.
DS3231 High Precision Real Time Clock Module (RTC)
- Accurate RTC manages all timekeeping functions
- Battery-backup input for continuous timekeeping
- Low power operation extends battery-backup run time
- Breadboard-friendly 6-pin SIP header
- Memory chip: AT24C32 (32K)
- Operating voltage: 3.3 to 5.5 VDC
- Communication: I2C bus, up to 400 kHz
- Operating Temperature Ranges: Commercial (0°C to +70°C) and Industrial (-40°C to +85°C)
- Accuracy from 0°C to +40°C: ±2ppm
- Accuracy from -40°C to +85°C: ±3.5ppm
Electric Solenoid Lock 12v Cabinet Door Lock
- Voltage: 12VDC
- Current: 0.6A
- Size: 53 x 26 x 23mm
- Weight: 142g
- Latch telescopic length: 10mm
- Energized forms: intermittent
- Unlocking time: 1S
- Continuously energized <10S
- Temperature: -40 ~ +50
ESP32 Camera Development Board (OV2640) ESP32-CAM
- 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 card
- Support multiple sleep modes
- Embedded Lwip and FreeRTOS
- Support STA/AP/STA+AP working mode
- Support Smart Config/AirKiss One-click distribution network
- Support for serial local upgrade and remote firmware upgrade (FOTA)
- Support secondary development
ESP32 Module with SIM800L GSM TTGO-T Call
- Based on the ESP32-WROVER-B module with 8MB PSRAM and 4MB flash memory
- GSM/GPRS SIM800L module with quad-band support
- Onboard antenna for wireless communication
- SIM card slot for cellular network connectivity
- Built-in Wi-Fi and Bluetooth connectivity
- Supports MQTT, HTTP, TCP, and UDP communication protocols
- 0.96-inch OLED display for visual feedback
- Includes a CP2104 USB-to-UART converter for easy programming and debugging
- Supports multiple power sources, including USB, battery, and external power supply
- Compatible with the Arduino IDE and MicroPython
- Can be used for a wide range of IoT applications, including remote monitoring, asset tracking, and smart home automation.
Float Switch With Automatic Water Pump Start/Stop 5m Wire
- Can be used for normally closed or normally open operation
- Including a 5 meter cable and a balance weight
- The mechanical switch is rated for voltages up to a max of 400V AC at a max load of 4 A
- Robust watertight PP housing (IP68 certified)
- Maximum depth level: 10 m
H206 Optocoupler Speed Measuring and Counting Sensor
- Operating Voltage: 5V
- Blocking: Output Low
- Non-blocking: Output High
- Schmitt Triggered Output For Noise Immunity
HC-05 Bluetooth Module for RC Car Arduino
- Profiles: Bluetooth serial port Profile
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Frequency: 2.4GHz ISM band
- Modulation: GFSK(Gaussian Frequency Shift Keying)
- Emission power: ≤4dBm, Class 2
- Sensitivity: ≤-84dBm at 0.1% BER
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
- Security: Authentication and encryption
- Power supply: +3.3VDC 50mA
- Working temperature: -20 ~ +75 Centigrade
HC-06 Bluetooth Module for RC Car Arduino
- Bluetooth Protocol: Bluetooth 2.0+EDR (Enhanced Data Rate)
- 2.4GHz Communication Frequency
- Precision: ≤-80 dBm
- Output Power: ≤+4 dBm
- Asynchronous Speed: 2.1 MBps/160 KBps
- Synchronous Speed: 1 MBps/1 MBps
- Security: Identity Validation and Encryption
- Operating Voltage: 3.6-5V(3.6V Recommended)
- Current: 50 mA
- Dimensions: 43x16x7mm
Ir Sensor Module for Obstacle Detection Line Following Robot
- IR Sensor Module is used generelly for line following robot.
- can be used for 3-5V DC power supply modules . When the power is turned on, the red power
- the output port OUT sensor module can be directly connected to the microcontroller IO port , you can directly drive a 5V relay ; Connection : VCC-VCC; GND-GND; OUT-IO
- using the comparator LM393
LM2587 DC-DC Step Up Boost Converter Power Module
- Input Voltage Range: 3.5V – 30V
- Output voltage range: 4.0V-30V (Please ensure that the output setting voltage is higher than the input voltage)
- Input maximum current: 5A
- Continuous Current: 3A
- Good heat dissipation
- Output voltage and input voltage ratio is not greater than 3
LM2596 20W Adjustable DC-DC Buck Converter with Display
- Module Model: LM2596 Buck Converter + Voltmeter
- Input Voltage: DC 4.0 – 40V
- Output Voltage: 1.25V – 37V (continuously adjustable, the input voltage must be 1V higher than the output voltage)
- Output Current: 2A(normal and stable), 3A Max.
- Ripple Frequency: About 150Khz
- Ripple Peak: About 100mV
- Display Color: Red
- Voltage Meter Error: 0.1V
- Measure Range:4~40V (for measure accurately, please ensure that the input voltage is more than 4V)
LM2596 DC-DC Step Down Buck Converter Power Module
- LM2596 DC to DC Buck Converter Module
- Adjustable Step Down Power Supply
- Input Voltage Range: 4V to 40V
- Output Voltage Range: 1.23V to 37V
- High Efficiency and Low Heat Generation
- Max Current: 2A (Heat Sink Required)
MAX30100 Pulse Oximeter and Heart Rate Sensor Module
- Optical sensor: IR and red LED combined with a photodetector
- Measures absorbance of pulsing blood
- I2C interface plus INT pin
- 3.3V power supply complete pulse oximeter and heart rate sensor solution, simplifies design, integrated LEDs, photo sensor, and high-performance analog front
- Ultra low power operation increases battery life for wearable devices
- Advanced functionality improves measurement performance, high SNR provides robust motion artifact resilience integrated
- ambient, light cancellation high sample rate capability fast data output capability
MicroSD Card Module for Arduino SPI Interface
- Support Micro SD Card, Micro SDHC card (high-speed card)
- The level conversion circuit board that can interface level is 5V or 3.3V
- Communication interface is a standard SPI interface
- Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground,
- VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin;
- 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply;
MPU 6050 6 DOF Accelerometer and Gyroscope Sensor Module
- 3-aixs accelerometer and 3-axis gyroscope values combined
- Power Supply: 3-5V
- Communication : I2C protocol
- Built-in 16-bit ADC provides high accuracy
- Built-in DMP provides high computational power
- Can be used to interface with other IIC devices like magnetometer
- Configurable IIC Address
- In-built Temperature sensor
MQ135 MQ-135 Air Quality Gas Sensor Module Arduino
- Operating Voltage is +5V
- Detect/Measure NH3, NOx, alcohol, Benzene, smoke, CO2, etc.
- Analog output voltage: 0V to 5V
- Digital output voltage: 0V or 5V (TTL Logic)
- Preheat duration: 20 seconds
MQ2 MQ-2 Gas Sensor Module, Arduino Compatible
- Operating Voltage is +5V
- Analog output voltage: 0V to 5V
- Digital Output Voltage: 0V or 5V (TTL Logic)
- Preheat duration 20 seconds
- Can be used as a Digital or analog sensor
- The Sensitivity of Digital pin can be varied using the potentiometer
MQ3 MQ-3 Alcohol Sensor Module Arduino Compatible
- Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off)
- Current Consumption: 150mA
- DO output: TTL digital 0 and 1 ( 0.1 and 5V)
- AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- Detecting Concentration: 0.05-10mg/L Alcohol
- Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)
- Heater consumption: less than 750mW
- Operating temperature: 14 to 122 °F (-10 to 50°C)
- Load resistance: 200kΩ
- Sensitivity S: Rs(in air)/Rs(0.4mg/L Alcohol)≥5
- Sensing Resistance Rs: 2KΩ-20KΩ(in 0.4mg/l alcohol)
MQ6 MQ-6 LPG Gas Sensor Module Arduino Compatible
- Operating Voltage is +5V
- Can be used to detect LPG or Butane gas
- Analog output voltage: 0V to 5V
- Digital Output Voltage: 0V or 5V (TTL Logic)
- Preheat duration 20 seconds
- Can be used as a Digital or analog sensor
- The Sensitivity of Digital pin can be varied using the potentiometer
NRF24L01 2.4GHz RF Wireless Transceiver Module
- Single-chip GFSK transceiver.
- Transmit power is greater than +20 dbm.
- Support six-channel data reception.
- operating voltage: 2.7 to 3.6V.
- Up to 125 channels.
- Air data rate is 250 kbps, 1 Mbps, or 2 Mbps.
- The communication mode it uses is Enhanced Shock Burst TM or Shock Burst TM.
- Power Down Mode or Standby Mode.
- SPI protocol for communication.
- Easily programmed and can connect with a microcontroller or Arduino board.
NRF24L01 2.4GHz Wireless Transceiver Module with Antenna
- Voltage: 3-3.6V
- Max output power: +20 dBm
- Working current in transmit mode: 115mA
- Working current in receiver mode: 45mA
- Current in mode: 4.2uA
- Operating temperature: -20°C-70°C
- Receiver sensitivity:
- -92dBm in 2Mbps mode
- -95dBm in 1Mbps mode
- 2M rate: 520m
- It uses 2.4GHz global open ISM band, with license free.
- Transmit power is greater than +20 dBm.
- Support six-channel data reception.
- 2Mbit/s speed makes high quality VoIP possible
- Multi frequency points: 125 frequency points meet the needs of multi-point communications and frequency hopping.
- SPI interface facilitates the communication with MCU I/O port.
- Software programming is fully compatible with NRF24L01 modules.
PIR Motion Sensor Module HC-SR501 Motion Detection
- High sensitivity and reliability
- Soldered-in jumper for setting temperature compensation
- Direct switching of relays
- Ideal for use with microcontroller boards
- Operating voltage 5V DC
- Switching distance up to 3 meters
- Block time from 2.5 seconds (standard) up to 10 seconds
- Trigger methods L - Deactivate, H - Activate repeat trigger
PS2 Joystick Module Breakout Sensor
- 2.54mm pin interface leads.
- Operating Voltage: 5V.
- Long service life and stable performance.
- Standard interface and electronic building blocks.
- Widely use in Arduino DIY projects.
RFID Card Reader Module MFRC-522 13.5 MHz
- Working Current @ 3.3V: 13 – 26mA
- Standby Current @ 3.3V: 10 – 13mA
- Sleep Current: <80μA
- Peak Current: <30mA
- Working Frequency: 13.56MHz
- Card Reading Distance: 0-60mm
- Communication Protocol: SPI
- Data Communication Speed: 10Mbit/s Max
- Operating Temperature (°C): -20 to 80
SIM800L Mini GSM GPRS Module
- Quad-band 850/900/1800/1900MHz
- GPRS multi-slot class12 connectivity: max. 85.6kbps(down-load/up-load)
- Controlled by AT Command (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands)
- Supports Real-Time Clock
- Supply voltage range 3.4V ~ 4.4V
- Supports A-GPS
- Supports 3.0V to 5.0V logic level
- Low power consumption, 1mA in sleep mode
- Micro SIM Card
- Searches for network and login automatically
- Can connect any global GSM network with 2G sim
- AT command interface with auto baud detection
- Lead-out buzzer and vibration motor control port
- Scan and receive FM radio broadcast, send and receive SMS and call
Soil Moisture Sensor Module Arduino Compatible
- Working voltage: 5V
- Working Current: <20ma
- Interface: Analog
- Output voltage signal: 0~4.2V
- Depth of detection: 37mm
- Working Temperature: 10℃~30℃
- Size: 63×20×8mm
- Arduino compatible interface
- Low power consumption
- High sensitivity
TCS3200 Color Sensor Module for Color Detection
- Chip: TAOS TCS3200 RGB Sensor
- Input voltage: DC 3 ~ 5V
- Bright white LEDs for uniform illumination
- Dimensions: 31.6x24.4mm (L x W)
- TCS3200 is a color sensor which has an array of photodiodes
- This module does fit on a standard breadboard