SENSORS & MODULES

20 x 4 Yellow/Green color LCD display module (JHD204A)

Specifications

1. Color of display: Green
2. Color of character: Yellow
3. Size : 20 x 4 (20 character x 4 rows)
4. Input voltage : +5V
5. Supply current : 8mA
6. Board dimensions  :  98mm x 60mm (LxB)
7. Display dimensions   :   76mm x 25mm (LxB)

MQ-5 Gas leakage detection sensor module

Specifications:-

1. Working voltage: 3V to 5V
2. Detecting concentration: 10000ppm
3. Sensing Resistance: 60kΩ
4. Heating consumption: 800mW

12V 8 channel relay module with light coupling

Specification:-

1. Number of channels : 8
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.

20 x 4 Jumbo Yellow/Green color LCD display module (JHD762M5)

Specifications

1. Color of display: Green
2. Color of character: Yellow
3. Size : 20 x 4 (20 character x 4 rows)
4. Power supply : +5V
5. Operating current : 8mA
6. Board dimensions  :  146mm x 62mm (LxB)
7. Display dimensions   :   124mm x 43mm (LxB)

AM8403 HW104 5V Two Channel Stereo 3W+3W Audio Amplifier Module with JST Connector

Specification:-

• 2 channels 3 W PAM8403 audio amplifier
• Output Power: 3W + 3W
• Working Voltage: 2.5 to 5.5V
• Board Size: 22 x 18 mm 
• JST Connector
• High amplification efficiency

12v-40v to 9V 1A Mini Size DC Step-Down Module

Specifications:-

• Input voltage: 12V to 40V
• Output current: 1A
• Internal Soft-Start
• Short circuit protection: current limiting
• Module Properties: non-isolated constant voltage module

250V 16(8) 3M Cable Float Switch Sensor for Water Level Controller

Specification:-

• Cable length: 3m cable 
• Compatible Material: Plastic
• Floaty Water Level Controller
• Rated voltage: 250V
• High quality wire and Plastic Body

RC522 RFID Card Reader Module 13.56MHz

Specification:-

• 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

MPR121 V12 Capacitive touch sensor controller module

Specification:-

1. Operating voltage  :  2.5V to 3.6V DC
2. 29μA supply current at 16ms sample period
3. Shutdown current  :  3μA
4. 12 electrodes
5. Operating temperature range  :  -40°C to +85°C

4S 30A LFP LiFePO4 BMS Module with Balance Hardware

Specification:-

• Model TDT-4S-8181A 30A LFP 
• input Voltage B+ to B-: -0.3~+15V 
• Overcharge Detection voltage/1CELL: 3.65±0.05V 
• Over discharge Detection voltage/1CELL: 2.32 ± 0.1 V 
• Charge temperature protection 0°C~+50°C 
• Discharge temperature protection 65°C~+75°C 
• Model No.(47bf)

RS485 12-24V PH Soil Detector Moisture Sensor

Specification:-

• Type: Soil Moisture Sensor
• Power Supply: 12-24V Dc
• Soil temperature: -40-80°C
• Soil temperature: ±0.5°C
• Conductivity: ±5%
• NPK: ±2%FS
• Soil temperature: 0.1°C
• Conductivity: 1us/cm

AC70-500V 2 Wire Digital Green LED Car Voltmeter Volt Panel Meter Gauge

Specification

1. Power Supply: AC70V-500V
2. Accuracy: ±1%
3. Input impedance: > 1MΩ
4. Max Working Current: 18mA
5. Refresh rate: about 300mS / times.
6. Display: 0.56 "dual 3 digital tube.
7. Operating Temperature: -20°C - 65°C
8. Material: PCB
9. LED Colour: Green
10. Size: 4.5cm x 2.5cm x 1.5cm 
11. Wire length: 16cm