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

BH1750 DIGITAL LIGHT INTENSITY SENSOR MODULE

VMA341 (BH1750) is a digital ambient light sensor for I2C bus interface. This module is the most suitable to obtain ambient light data for adjusting LCD and the keypad backlight power of mobile phones.

Features
I2C bus interface
spectral responsibility is approximately human eye response
illuminance to digital converter
wide range and high resolution. ( 1 - 65535 lx )
low current by power down function
module contains 5V to 3.3V converter
50 Hz / 60 Hz light noise reject function
no need for any external parts
adjustable measurement result for influence of optical window (this function allows to detect min. 0.11 lx, max. 100000 lx)
small measurement variation
very small influence of infrared
Specifications
supply voltage: 5 V
voltage: 3.3 VCC
operating temperature : -40°C - +85°C
SDA sink current: 7 mA
power dissipation: 260 mW
dimensions : 20 x 30 mm

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

PHOTOSENSITIVE SENSOR MODULE WITH 3 PIN CABLE

Measure light levels with this sensor module!
This module uses a photo transistor to produce an output voltage that will vary at different light levels. Connect it to your Arduino or any other development board to build a night/day sensor, a sun tracker or combine it with a laser module to make a laser trip wire.

Specifications
operating voltage: 3.3 VDC to 5 VDC
output: analog voltage
pull-down resistor: 10 K (on-board)
dimensions: 25 x 15 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

3.3V / 5V TTL LOGIC LEVEL CONVERTER MODULE

This module allows to use 3.3 V sensors on a 5 V microcontroller.
Features

breadboard compatible

Specifications

low side (3.3 V): 2 inputs and 2 outputs
high side (5 V): 2 inputs and 2 outputs
other connections: Vlow (3.3 V), VHigh (5 V) , pass-trough GND
dimensions: 15 x 16 x 15 mm

ARDUINO COMPATIBLE MOS DRIVING MODULE

Specifications

operating voltage: 3 to 5 VDC
max. load voltage: 0 to 24 VDC
input: SIG pin, logic level 3 to 5 VDC
max. load current: 5 A (a heatsink is required for loads > 1 A)
used MOSFET: IRF520
dimensions: 34 x 21 x 16 mm

2.8 INCH TOUCH SCREEN FOR ARDUINO UNO/MEGA

Features

resolution: 240 RGB (H) x 320 (V)
display driver: ILI9341 V0.7
colour depth: 262 000 colours
system interface:
8-bits, 9-bits, 16-bits, 18-bits interface with 8080-I /8080-II series MCU
6-bits, 16-bits, 18-bits RGB interface with graphic controller
3-line / 4-line serial interface
display mode:
full colour mode (idle mode OFF): 262 000 colour (selectable colour depth mode by software)
reduced colour mode (idle mode ON): 8-colour
operating temperature: -40 °F to + 185°F (-40 °C to +85 °C)

40 PINS 30 cm MALE TO MALE JUMPER WIRE (FLAT CABLE)

This flat cable can easily be stripped apart into a single (or multiple) jumper wires.
Features

contents: 1 pc. of multi-colour flat cable (40 wires)
pre-cut, pre-stripped and pre-formed wires simplify and speed up prototyping work
easy to connect and disconnect
these wires are compatible with standard breadboards that have 0.1 inch grids

Specifications

length: 30 cm
diameter: 22-26AWG
insulation material: PVC
conductor material: copper
type: male to male connector cable

40 PINS 30 cm MALE TO FEMALE JUMPER WIRE (FLAT CABLE)

This flat cable can easily be stripped apart into a single (or multiple) jumper wires.
Features

contents: 1 pc. of multi-colour flat cable (40 wires)
pre-cut, pre-stripped and pre-formed wires simplify and speed up prototyping work
easy to connect and disconnect
these wires are compatible with standard breadboards that have 0.1 inch grids

Specifications

length: 30 cm
diameter: 22-26AWG
insulation material: PVC
conductor material: copper
type: male to female connector cable

40 PINS 30 cm FEMALE TO FEMALE JUMPER WIRE (FLAT CABLE)

This flat cable can easily be stripped apart into a single (or multiple) jumper wires.
Features

contents: 1 pc. of multi-colour flat cable (40 wires)
pre-cut, pre-stripped and pre-formed wires simplify and speed up prototyping work
easy to connect and disconnect
these wires are compatible with standard breadboards that have 0.1 inch grids

Specifications

length: 30 cm
diameter: 22-26AWG
insulation material: PVC
conductor material: copper
type: female to female connector cable

ATMEGA328P MCU IC WITH ARDUINO UNO BOOTLOADER AND 16 MHz CRYSTAL