CURRENT SENSOR ACS712 MODULE - 20 A

This current sensor module guarantees precise measuring for commercial systems. Especially designed for easy installation. Can be used for motor control, load detection, overcurrent.
Specifications

supply voltage: 5 VDC
measurement range: -20 to +20 A
output voltage: VCC/2 at no load
scale factor: 100 mV per A
dimensions: 31 x 13 x 12 mm

TEMPERATURE PROBE DS18b20 & ARDUINO COMPATIBLE ADAPTER

The VMA324 ( DS18B20) Digital Thermometer provides 9 to 12-bit (configurable) temperature readings which indicate the temperature of the device.
Features

DS18B20 specs: unique 1-wire interface requires only one port pin for communication
multidrop capability simplifies distributed temperature sensing applications
requires no external components
can be powered from data line, power supply range is 3.0 V to 5.5 V
zero standby power required
measures temperatures from -55°C to +125°C (Fahrenheit equivalent -67°F to +257°F)
± 0.5°C accuracy from -10°C to +85°C
thermometer resolution is programmable from 9 to 12 bits
converts 12-bit temperature to digital word in 750 ms (max.)
user-definable, non-volatile temperature alarm settings
alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
3-wire adaptor for Arduino included

Specifications

dimensions stainless steel tube:
diameter: 6 mm
length: 30 mm
dimensions cable:
diameter: 4 mm
length: 36" (91 cm)
connections:
red: 3-5 V
black: ground
yellow: data

COLOR SENSOR TCS3200 MODULE

The TCS230 senses color light with the help of an 8 x 8 array of photodiodes. Then using a Current-to-Frequency Converter the readings from the photodiodes are converted into a square wave with a frequency directly proportional to the light intensity. Finally, using the Arduino Board we can read the square wave output and get the results for the color.
Features

high resolution conversion of light intensity to frequency
programmable colour and full scale output frequency
communicates directly with a microcontroller
single supply operation (2.7 V to 5.5 V)
power down feature
non-linearity error typically 0.2% at 50 kHz
stable 200 ppm/°C temperature coefficient

Specifications

S0-S1: output frequency scaling selection inputs
S2-S3: photodiode type selection inputs
out pin: output frequency
OE pin: output frequency enable pin (active low), can be impending when using

UV LIGHT SENSOR GUVA-S12SD MODULE

Use this analogue UV sensor module extends to extend your light sensing spectrum. Its UV photodiode will detect light ranging from 240-370 nm (thus including UVB and most of the UVA spectrum). As the photodiode has a very small nano-ampere signal level, the device contains an opamp to amplify this signal.
Specifications

operating voltage: 3.3 V to 5 V
output voltage: 0 V to 1 V (0-10 UV index)
response time: 0.5 second
accuracy: +/- 1 UV index
radiation wavelength: 200-370 nm
operating temperature: -20 °C to +85 °C
current consumption: 5 mA
dimensions: 24 x 15 mm

FINGERPRINT SENSOR ZFM-708

Specifications

power: DC 3.8 V to 7.0 V
back light: green
baud rate: (9600 x N)bps, N=1-12 (default N=6)
image acquiring time: <0.5 s
finger prints storage capacity: 1000
false acceptance rate: 0.001% (at security level 3)
false reject rate: 1.0% (security level 3)
interface: TTL serial
operating current (max.): 95 mA
average searching time: 1 s
working temperature: -20 - +50 °C
outline dimensions: 54 x 20 x 20.5 mm

IR OBSTACLE AVOIDANCE SENSOR MODULE

This module is an inexpensive solution for an obstacle avoidance sensor, perfect for robotic projects and very easy to interface directly with Arduino and compatible boards. The module has two potentiometers, one to control frequency and one to control the intensity.
Specifications

operating voltage: 3.3 V to 5 V
output: digital (on/off)
detection threshold: adjustable by 2 trimmers
distance range: 2 to 10 cm
adjustment R6: frequency adjustment 38 KHz (already optimised)
adjustment R5: IR LED power adjustment (already optimised)
operating temperature: -10°C to +50°C
effective angle: 35°
I/O interface: 4 wire interface (- / + / S / EN )
dimensions: 45 x 16 x 10 mm
weight: 9 g

1 CHANNEL LATCHING RELAY MODULE WITH TOUCH BISTABLE SWITCH 12 V

Specifications

supply voltage: 12 VDC
supply current: 15 - 50 mA
trigger current: 0.5 mA
contact rating: 10 A 250 VAC / 10 A 30 VDC
dimensions: 5 x 2.5 x 2 cm
weight: 25 g

BME280 TEMPERATURE, HUMIDITY AND PRESSURE SENSOR

The BME280 used on this combo module is an integrated environmental sensor developed specifically for mobile applications where size and low power consumption are key design constraints.

The BME280 supports both SPI and I2C interface to communicate with the microcontroller.

Features
applications:
measurement of volume and air flow
home automation control
control heating, ventilation, air conditioning
internet of things
weather forecast
fitness monitoring / well-being
Specifications
pressure range: 300 to 1100 hPa
temperature range: -40 to 85°C
supply voltage: 1.2 to 3.6 V
I/O voltage: max 3.6 V
current consumption: max. 3.6 uA @ 1 Hz (H,P,T)
sleep mode consumption: 0.1 uA
interface: I2C and SPI
dimensions: 15 x 12 mm

HM-10 WIRELESS SHIELD FOR ARDUINO UNO

The VMA338 uses a HM-10 module with Texas Instruments CC2541 Bluetooth v4.0 BLE chip, fully compatible with VMA100 UNO. This shield has extended all the digital and analog pins out into 3PIN, making it easy to connect to sensors using 3PIN wire.

Features
extends 14 digital pins to 3pin
extends 6 analog pins to 3pin
on-board reset button
comes with a slide switch to power wireless communication on or off
jumper interface to control serial communication
integrated Texas Instruments CC2541 Bluetooth v4.0 chip on board
Specifications
pin header spacing: 2.54 mm
Bluetooth chip: Texas Instruments CC2541
USB protocol: USB V2.0
working frequency: 2.4 GHz ISM band
modulation method: GFSK (Gaussian Frequency Shift Keying)
transmission power: -23 dbm, -6 dbm, 0 dbm, 6 dbm, can be modified by AT command
sensitivity: =-84 dBm at 0.1% BER
transmission rate: asynchronous 6K bytes
security: authentication and encryption
supporting service: central & peripheral UUID FFE0, FFE1
power consumption: 400-800 uA during standby, 8.5 mA during transmission
power supply shield: 5 VDC
power supply HM10: 3.3 VDC
working temperature: -5 to +65 °C
dimensions: 54 x 48 x 23 mm
weight: 19 g

PULSE / HEART RATE SENSOR MODULE FOR ARDUINO

VMA340 is a plug-and-play heart rate sensor for Arduino and Arduino compatibles. It can be used by anyone who want to incorporate live heart rate data into their projects.

Features
WARNING: NOT FOR MEDICAL USE
VMA340 is not intended to diagnose, prevent or treat any condition, or to be a substitute for professional medical care. Measurements and statistics are intended for informational and educational purposes only. VMA340 is not compliant with the European Council directive 93/42/EEC concerning medical devices and is not approved by the U.S. Food and Drug Administration. If knowing your pulse rate is critical to your health, you need to have your pulse taken by a medical professional.
Specifications
diameter: 16 mm
overall thickness: 3 mm
working voltage: 3 to 5 V
working current: 4 mA at 5 V
cable length: 18 cm
connections: GND, VCC, analog signal out

A/D D/A CONVERTER MODULE PCF8591

The VMA344 - PCF8591 is a monolithically integrated, low-power, 8-bit CMOS data acquisition device. The PCF8591 has four analog inputs, one analog output and a serial I2C bus interface.
For testing purposes, the VMA344 contains a phototransistor, NTC and a trimmer which are connected to the PCF8591 by 3 jumpers.

Features
single power supply
operating supply voltage 2.5 V to 6.0 V
low standby current
serial input and output via I2C-bus
max sampling rate given by I2C-bus speed
4 analog inputs configurable as single ended or differential inputs
auto-incremented channel selection
analog voltage range from VSS to VDD
on-chip track and hold circuit
8-bit successive approximation A/D conversion
multiplying DAC with one analog output

4 CHANNEL RELAY MODULE

This 4-channel relay interface board can control various appliances and other equipments with high current. It can be controlled directly by any micro-controller.
Features

standard interface that can be controlled directly by any microcontroller
opto-isolated inputs
indicator LEDs for relay output status

Specifications

control input current (in1 to in4): 5 - 15 mA
control input voltage: 5 - 12 VDC
relay output: 250 VAC 10 A, 30 VDC 10 A (non-inductive)

5 VDC STEPPER MOTOR WITH ULN2003 DRIVER BOARD

A small and versatile motor and driver set. This 5 VDC stepper motor controlled by the ULN2003 driver can be used with any Arduino or compatible boards via jumper leads. Four-phase LED indicates the status of the stepper motor.
Features

with LED step indicators
included: 5 V stepper motor
ULN2003 controller module
cable

Specifications

operating voltage: 5 VDC
steps / revolution: 64
controller: ULN2003
motor diameter: 28 mm
reduction ratio: 1:64
number of phases: 4
dimensions: 35 x 32 x 10 mm

LM2577 DC-DC VOLTAGE STEP-UP (BOOST) MODULE

This module converts the microcontrollers power supply into a higher, adjustable voltage.
Specifications

input voltage: 3.5 to 35 VDC
output voltage: 5 to 55 VDC (adjustable)
max. input current: 3 A
continuous input current: 2 A
chip: LM2577
dimensions: 43 x 30 x 12 mm

DC-DC BOOST MODULE / (2.5 V-5 V) 600 mA TO USB 5 V (2 pcs)

This module provides a stable 5 V from a single Li-Po or two alkaline cells.
Specifications

input voltage range: 2.5 to 5 VDC
output voltage: 5 VDC
connection: solder pads
dimensions: 34 x 16 x 8 mm

DC-DC ADJUSTABLE VOLTAGE STEP DOWN MODULE LM2596S

Specifications

input voltage: 3 to 40 VDC
output voltage: 1.25 to 35 VDC
max. output current: 2.5 A
chip: LM2596S
dimensions: 49 x 26 x 12 mm

ARDUINO COMPATIBLE RFID READ AND WRITE MODULE

This RFID module allows to both read and write MiFare-type RFID cards.
Specifications

operating voltage: 3.3 VDC
working current: 13 to 26 mA
sleep current: < 80 uA
peak current: < 30 mA
working frequency: 13.56 MHz
supported card types: Mifare cards
interface / protocol: SPI
controller chip: MFRC522
data transmission speed: Max. 10 Mbit / s
dimensions: 66 x 40 x 7 mm
includes: 2 tags (1 card , 1 fob)

ARDUINO COMPATIBLE 5 V RELAY MODULE

Specifications

operating voltage: 5 VDC
relay current rating: 10 A at 250 VAC, 10 A at 30 VDC (non inductive)
relay contact: C, NO, NC
connection : GND, +5 VDC, control input (5 to 12 VDC)
dimensions: 40 x 27 x 18 mm

SUPER-MINI DIGITAL AMPLIFIER BOARD

Dual channel stereo output 3 W + 3 W power Class D amplifier.
Features

high amplification efficiency 85%
can directly drive 4 ohm/8 ohm small speakers
good sound quality & noise suppression
unique without LC filter class D digital power board
can use computer USB power supply directly
low THD+N
short circuit protection
thermal shutdown

Specifications

operating voltage: 2.5 to 5 VDC
connections: solder connections
sound processor: PAM8403
dimensions: 23 x 16 x 2 mm

L298N DUAL BRIDGE DC STEPPER CONTROLLER BOARD

This module allows full control of two DC motors or one stepper motor.
Specifications

driver: L298N
driver power supply: + 5 V to + 35 V
driver output current (max.): 2A
logic power output Vss: +5 V to +7 V (internal supply +5 V)
logic current: 0-36 mA
controlling level: low -0.3 V to 1.5 V, high: 2.3 V-Vss
enable signal level: low -0.3 V to 1.5 V, high: 2.3 V-Vss
max. power: 25 W
working temperature: -25C to +130 °C
dimensions: 69 x 56 x 36 mm