SENSORS & MODULES

GD4142 Dual USB 5V 1A DC to DC step up booster power bank charging modules pack of 10pcs

Specification:-

1. Input port type  :  Micro USB
2. Output port type  :   USB
3. Input Voltage  :  3.7V to 5V
4. Output parameters  :  5V 1A
5. 4 level LED lamp on back
6. Intelligent automatic shutdown

IIC or I2C Serial interface adapter module for 16 x 2 (1602) Character LCD display

Specifications:-

1. IC Name : PCF8574
2. Operating voltage : 5V
3. PCB size : 42mm x 20mm(L x B)
4. Serial I2C control of LCD display using PCF8574.
5. Backlight can be enabled or disabled via a jumper on the board.
6. Contrast control via a potentiometer.

NPK Soil Agriculture Nutrient Sensor Module

Specification:-

• Item Type: Agriculture Nutrient Sensor 
• Power Supply: 12-24V Dc
• Power Consumption: ≪0.15W
• Storage Environment: 45℃115℃
• High precision agriculture sensors
• Good Quality Durable and Eco Friendly Material.

PAM8406 5Wx2 dual channel stereo Mini digital amplifier module with volume control preset pack of 1pcs

Specification

1. Working voltage:  5V
2. Output power:  5W+5W
3. Dual channel stereo
4. High sound quality
5. Excellent noise suppression system
6. Can drive 4 and 8 omega speakers easily
7. Left and Right volume controller

R305 Optical Fingerprint Reader Sensor Module

Specification:-

• Type: Optical
• Sensor Life: 100 million times
• Static indicators: 15KV
• Verification Speed: 0.3 sec
• Scanning Speed: 0.5 sec
• Character file size: 256 bytes
• Supply voltage: DC 3.6 ~ 6.0V / 3.3V
• Supply Current: Current: <120mA
• Fingerprint image time: <1.0 seconds

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

Dual USB Output 5V 2.1A Power bank charging modules with digital 7 segment display indicators pack of 50pcs

Specifications:

• Material: Alloy.
• Type: Single screwdriver.
• Handle PVC Molded.
• Total length: 130 mm.
• External rod length: 75 mm.
• Rod thickness: 3 mm.
• Weight: 15 gms.

TPA3110 30W Mono (single) channel digital power amplifier modules pack of 10pcs

Specification

1. Chip name:  TPA3110
2. Working Voltage:  8V to 26 V DC
3. Output Power  :  30W
4. Applicable Speaker Impedance  :  8 Ω is perfect but 4/6 is also good
5. Single-channel digital power amplifier
6. Sound quality is also very good

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

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

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.

ISD1820 Recording Module Voice Board With On Board Mic and Loud Speaker

Specification

1. Voltage Supply: 3V - 5.5V
2. Recording Duration: 10-20 seconds (adjustable)
3. Onboard Microphone and Loudspeaker
4. Simple Button Controls