SENSORS & MODULES

ESP8266 5V 1 Channel relay module IOT smart home remote control switch

Specifications:-

1. Transmission Distance (m) : 40m
2. Trigger voltage: 5V DC
3. Switching voltage: 250V @ 10A
4. Switching voltage: 30V @ 10A
5. Relay voltage : 5V (10A/250V AC, 10A/30V DC)
6. Baud rate: 9600

R307 Optical Fingerprint Reader Sensor Module

Specification:-

1. Type: Optical
2. Sensor Life: 100 million times
3. Static indicators: 15KV
4. RS232 communication baud rate: 9600BPS~115200BPS changeable
5. Image Capture Surface 20*15(mm)
6. Verification Speed:  0.2 sec
7. Scanning Speed: 0.3 sec
8. Character file size:  256 bytes

1S 3A 3.7V 18650 Li-ion Lithium battery protection and charger BMS module JH8675 pack of 5pcs

Specification:-

1. Brand new and reliable product
2. Overcharge release voltage : 4.23±0.05V
3. Overcharging voltage range : 4.25±0.05V
4. Over-discharge voltage range : 2.54±0.1V
5. Over-current detection current : 1A to 3A
6. Low current consumption
7. Stable performance

TM-619H 4-pin Digital programmable electronic timer switch

Specifications

1. Operating voltage: 210V to 240V AC
2. Frequency range: 50Hz to 60Hz
3. Running accuracy : ± 1 second / day at 20°C
4. LED power indicator
5. Manual over ride switch

Microphone Sound Sensor, Voice Sensor High Sensitivity Sound Detection, Whistle Module

Specification:-

1. Operating voltage : 3.3V to 5V DC
2. LM393 comparator with threshold preset
3. Induction distance: 0.5 Meter
4. Operating current:  4 to 5 mA
5. Microphone sensitivity (1kHz): 52 to 48 dB
6. Easy to use with Microcontrollers or even with normal Digital/Analog IC

Bluetooth FM USB AUX Card MP3 Stereo Audio Player Decoder Module(105 x 25)

Specification

• Connector Type            Bluetooth
• Color                            Black
• Audio Output Type      Speakers
• Material                        Plastic
• Compatible Devices     All audio input

12V 1 channel relay module with light coupling

Specification:-

1. Number of channels : 1
2. Operating voltage : 12V
3. Max. current : 20mA
4. Trigger voltage : 12V
5. Switching voltage : 250V at 10A
6. Equipped with high-current relay
7. It can control both AC and DC appliances such as Motors, lights, fans, etc.

Soil Hygrometer Humidity Detection Moisture Sensor For Arduino

Specifications:-

1. Operating voltage: 3.3V to 5V
2. Dual output mode, analog output more accurate
3. With power indicator (red) and digital switching output indicator (green)
4. Having an LM393 comparator chip, stable

PAM8403 - GF1002 3W+3W Dual channel audio amplifier boards with switch potentiometer pack of 50pcs

Specification:

• New and branded quality product
• Dual channel
• Power output:  3W+3W
• Operating voltage:  2.5V to 5.5V
• Recommended voltage:  5V
• Excellent sound quality
• On-board switch potentiometer

Snow Raindrops Humidity Rain Weather Detect Sensor Module For Arduino

Specifications:-

1. Operating voltage : 3.3V to 5V
2. Distribution bit to adjust sensitivity
3. A fixed bolt hole for easy installation
4. Power indicator, the output signal LED indicator
5. A large area of ​​rain board, more appropriate to detect rain
6. Board with positioning holes to facilitate installation

TPA3118 60W Mono (single) channel digital power amplifier modules pack of 10pcs

Specification

1. Operating Voltage:  4.5V to 24V DC
2. Multiple Switching Frequencies
3. Short circuit protection
4. Stereo and Mono Mode
5. Master and Slave Synchronization
6.  Single-Filter Mono Configuration

Digital Battery Voltmeter Indicator with Dual USB 12V To 5V Step-down

Specification:-

• Input current: 5-25ma
• USB output: 5V/2A (max)
• Working temperature: -10 ~ +65 degrees
• Working humidity: 10 ~ 80%
• Opening size: 45 × 26 × 18mm