ULTRASONIC SENSOR
The ultrasonic distance sensor is suitable for measuring distances up to a maximum of 5.5 meters.

+ Highly accurate measurements: This ultrasonic distance sensor provides precise measurements with a resolution of only 0.3 cm. This allows you to measure the distance to objects with great precision.
+ Large detection range : With an impressive detection range of 3 to 550 cm, this sensor is ideal for various applications, from robot navigation to security systems.
+ Versatile applications: This module is versatile and suitable for various applications, from automation, home automation and robotics to environmental and industrial monitoring.
+ STEM project: Develop and improve your STEM skills and acquire the knowledge, skills and experience needed to face the technological challenges of the future with this educational kit. This educational kit will trigger a number of processes such as problem-solving, investigative and creative thinking.
+ Made in Belgium: Whadda is a unique brand from Belgiums Velleman Group that offers DIY projects for hobbyists or makers who want to immerse themselves in electronics, programming and mechanics.
- Project tip: Add this sensor to any robot project to enable the robot to smoothly avoid obstacles.

Technical data
Specifications
voltage: 3.3 to 5 VDC
sound frequency: 40 KHz
measurement resolution: 0.3 cm
measurement angle: 15
supply current: 50 to 100 mA
trigger pin format: 10 uS pulse
connector: 5 pin male
detection distance: 3-550 cm
working temperature: -10C to +60C

Operational properties
Instruction manual languages English
Coding skill level: 3

Product basic info:
Colour unit: White
Depth unit: 3.8 cm
Height unit: 15.5 cm
Width unit: 7.8 cm
Weight unit:28 g

ARDUINO COMPATIBLE RGB LED MODULE (2 pcs)

RGB LED module with on-board current limiting resistors.
Specifications

voltage: 5 VDC
connection : 4 pin male header
pins: GND, RED, GREEN, BLUE
dimensions: 24 x 16 x 16 mm
weight: 2 g

ARDUINO COMPATIBLE MINI MAGNETIC REED MODULE (2 pcs)

A Reed contact switch is a normally open contact which closes in the presence of a magnetic field. This modules contains a 10 Kohm pull-up resistor.
Specifications

voltage: 5 VDC
connection: 3 pins, +(middle pin), ground and DO (data out)
dimensions: 25 x 15 mm
weight: 2 g

ARDUINO COMPATIBLE MICROPHONE SOUND SENSOR MODULE

High sensitivity sound detection module with 2 outputs.
AO - analog output, real-time output voltage signal of the microphone.
DO - the digital output depends on the sound intensity and the threshold that has been set.
Specifications

voltage: 3.3 to 5 VDC
outputs: one analogue + one digital output
fixation: 1 mounting screw hole 3 mm
2 indicator LEDs: 1 power indicator + 1 comparator output indicator
frequency response: 50 Hz - 20 KHz
impedance: 2.2 K Ohm
sensitivity: 48 - 66 dB
operating temperature: -40 to +85°C
dimensions: 44 x 15 x 10 mm
weight: 4 g

ARDUINO COMPATIBLE TACTILE SWITCH SENSOR MODULE (2 pcs)

This module contains a push button and a 10 K pull-up resistor.
Specifications

voltage: 5 VDC
connection: 3 pins, +(middle pin), ground and DO (data out)
dimensions: 25 x 15 mm
weight: 2 g

DHT11 DIGITAL TEMPERATURE HUMIDITY SENSOR MODULE FOR ARDUINO

The DHT11 temperature and humidity sensor features a calibrated digital signal output with the temperature and humidity sensor complex. Its technology ensures the high reliability and excellent long-term stability. A high-performance 8-bit micro-controller is connected. This sensor includes a resistive element and a sense of wet NTC temperature measuring devices. It has excellent quality, fast response, anti-interference ability and high cost performance advantages.
Specifications

voltage: 5 VDC
temperature range: 0 - 50 °C , error of +/- 2 °C
humidity: 20 - 90% RH +/- 5% RH error
interface: digital
dimensions: 39 x 23 x 10 mm

ARDUINO COMPATIBLE VIBRATION / SHOCK SWITCH MODULE (2 pcs)

This module contains a vibration switch and a 10 K pull-up resistor.
Specifications

voltage: 5 VDC
connection: 3 pins, +(middle pin), ground and DO (data out)
dimensions: 25 x 15 mm
weight: 2 g

ARDUINO COMPATIBLE HALL (HOLZER) MAGNETIC SWITCH MODULE (2 pcs)

The device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier that amplifies the Hall voltage, a Schmitt trigger to provide switching hysteresis for noise rejection, and an open-collector output.
Specifications

voltage: 5 VDC
connection: 3 pins, +(middle pin), ground and S (data out)
output (S): Schmitt Trigger, Active Low
activation: 30 Gauss
deactivation: 10 Gauss
LED indicator: ON when activated
dimensions: 25 x 15 mm
weight: 2 g

PIR MOTION SENSOR FOR ARDUINO

PIR sensors allow to sense motion, almost always used to detect whether a human has moved in or out of the sensors range.
Specifications

voltage: 5 VDC
connection: 3 pin: GND, VCC and OUT
adjustments: sensitivity and delay (by trimmer)
delay time: 0.3 to 18 s
output level: high = 3 V, Low = 0 V
max. sensor distance: 7 m
operating temperature: -15 to +70°C
detection angle : 120 °
dimensions: 32 x 24 x 25 mm

XY JOYSTICK MODULE (2 pcs)

This Joystick module provides X and Y axis control for your microcontroller projects.
It also includes a push down microswitch.
Specifications

voltage: 3 to 5 VDC
contains : 2 trimmers 10K + 1 switch
dimensions: 47 x 25 x 32 mm
weight: 15 g

ARDUINO COMPATIBLE INFRARED TRANSMITTER MODULE (2 pcs)

This module can be used to send data by using infrared light. Commonly used in remote controls.
Specifications

max. current: 20 mA
connection: 3 pins, only GND (-) and S is used
weight: 2 g
dimensions: 35 x 15 x 8 mm
note: there is no current limiting resistor on the module

ARDUINO COMPATIBLE 1838 IR INFRARED 37.9 kHz RECEIVER (2 pcs)

The VMA317 (1838) is a miniaturized infrared receiver for remote control and other applications requiring improved ambient light rejection.
Features

photo detector and preamplifier in one package
internal filter for PCM frequency
inner shield, good anti-interference ability
high immunity against ambient light
improved shielding against electric field disturbance
3.0 V or 5.0 V supply voltage, low power consumption
TTL and CMOS compatibility

Specifications

supply voltage: 3 to 5 VDC
max. supply current: 1.5 mA
B.P.F. center frequency: 37.9 KHz
dimensions: 28 x 15 x 10 mm

ARDUINO COMPATIBLE 3 COLOUR RGB SMD LED MODULE (2 pcs)

This module contains a 5050 RGB LED.
Connect this module to the Arduino PWM outputs to generate a full range of colours.
Warning! This module does not include current limiting resistors! Damage to the LEDs will occur if connected directly to 5 V.
Specifications

power dissipation: R 60mW, G 95mW, B 95mW
peak forward current (0.1 ms pulse width): 100 mA for each colour
continuous forward current: 25 mA for each LED
max. reverse voltage: 5 V
operating temperature: -40 °C to 80 °C
dimensions: 28 x 15 x 5 mm
common: cathode (-)
attention: current has to be limited by using resistors

ARDUINO COMPATIBLE ACTIVE BUZZER MODULE (2 pcs)

Specifications

operating voltage: 5 VDC
buzzer frequency: 1.5 to 2.5 KHz
connection : 3 pin, (-) and (S). (+) is not used
dimensions: 25 x 15 x 10 mm

ARDUINO COMPATIBLE ANALOGUE TEMPERATURE SENSOR MODULE (2 pcs)

A thermistor is a type of resistor where the resistance is dependent on temperature, more so than in standard resistors.
Specifications

NTC type: NTC-MF52 3950
temperature range: -55 °C to 125 °C
accuracy: +/- 0.5°C
pull-up resistor: provided, 10 KOhm
connection: 3 pin, (+) 5V , (-) ground, (S) analogue output
dimensions: 20 x 15 x 5 mm

1A LITHIUM BATTERY CHARGING BOARD (2 pcs)

The TP4056 based VMA321 module is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries.
Specifications

input voltage: 4.5 to 5.5 VDC (by on-board USB connector)
charging current: 1 A adjustable
charge accuracy: 1.5 %
full charge voltage: 4.2 V
charge indicator: green = fully charged, red = charging
working temperature: -10°C to +80°C
weight: 10 g
dimensions : 25 x 19 x 10 mm

2,4GHz NRF24L01 WIRELESS TRANCEIVER MODULE (2pcs)

This module based on Nordic nRF24L01, highly integrated, ultra low power (ULP) 2Mbps RF transceiver for the 2.4GHz ISM (Industrial, Scientific and Medical) band. Nordic nRF24L01+ integrates a complete 2.4GHz RF transceiver, RF synthesizer, and baseband logic including the Enhanced ShockBurst hardware protocol accelerator supporting a high-speed SPI interface for the application controller.
Features

worldwide license-free 2.4 GHz ISM band operation
250 kbps, 1 Mbps and 2 Mbps on-air data-rate options
enhanced ShockBurst hardware protocol accelerator
ultra low power consumption - months to years of battery lifetime

Specifications

power supply: 1.9 - 3.6 V
IO port working voltage: 0 - 3.3 V
transmitting rate: +7 dB
receiving sensitivity: < 90 dB
transmission range: 250 m in open area
dimensions: 15 x 29 mm

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