Sensors

In this category there are sensors of various types that can be used in DIY projects. Sensors for temperature, humidity, air quality, motion, etc.

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Obstacle sensor TCRT5000 breakout
Obstacle sensor TCRT5000 breakout

Obstacle sensor, based on TCRT5000, uses infrared diode and photo-receiver to detect obstacle in front of it – emitted light just reflects back to the sensor. Onboard, you’ll find voltage comparator, so just by adjusting the potentiometer, the board gives digital output. There’s LED DO onboard to show the current digital output status. There’s analog output as well, in case you need it. Sensor works particularly well for line-following purposes on small robots.

 

• Sensor: TCRT5000
• Comparator: LM303
• Dimensions: 22 x 22 mm

Air quality sensor CCS811 breakout
Air quality sensor CCS811 breakout

The CCS811 sensor is designed to measure various volatile particles in the air (TVOC – Total Volatile Organic Compounds), which include eCO2 (CO2 equivalent) and MOX (metal oxides). VOCs are generally defined as air pollutants, and can come from a variety of sources, starting with ordinary breathing, smoking, coloring, welding, and generally all processes that release particles into the surrounding air.

 

This sensor is often used to measure indoor air quality, which can work very well and indicate current air pollution, for example, in an office. It communicates via I2C, making it easy to connect, especially through easyC. Sensor itself should be powered for at least 20 minutes to start making accurate readings.

Out of stock IO expander MCP23017 breakout
IO expander MCP23017 breakout

Are you short on IO pins? Looking to increase the number of them? That’s what the GPIO Expander MCP23017 is for! It uses I2C communication to do so. With just two wires, 16 new fully configurable digital IO pins are added to a microcontroller.

 

Due to the jumpers on the board, the I2C address of a device can be changed. Thus, eight breakout boards can be connected to a microcontroller. All of the pins on the expander board have pull-out resistors that can be turned on and off.

Out of stock Load-cell amplifier HX711 with easyC
Load-cell amplifier HX711 with easyC

The HX711 is a highly versatile load cell amplifier that is widely used in various applications requiring precise weight measurements. It is designed to convert analog signals into digital values, making it ideal for integration with microcontrollers, Dasduino boards, and other digital systems.

 

 

This load cell amplifier employs a 24-bit analog-to-digital converter (ADC) to ensure high-resolution and accurate readings. It supports differential input signals and offers two differential input channels, allowing the connection of up to two load cells simultaneously. This feature enables the measurement of both single- and multi-load cell systems, expanding its application range.

 

 

The HX711 incorporates an integrated voltage regulator, which provides a stable supply voltage for the load cells and ensures accurate and reliable measurements. It operates with a low supply voltage, typically ranging from 2.6V to 5.5V, making it compatible with a wide range of power sources. This breakout board features connectors for easy connection with other boards and microcontrollers within the easyC system. It also comes with switches for selecting the I2C address.

Load-cell amplifier HX711 board
Load-cell amplifier HX711 board

The HX711 breakout allows you to easily read the weight value from a load-cell sensor (mass sensor). This small ADC is of great precision and is capable of measuring very small changes in the load-cell resistance, whose signals are amplified with the built-in amplifier. Subsequently, this same information is digitally transmitted to a microcontroller that simply converts the numbers obtained into the actual weight. That’s why this breakout is very useful for projects with scales or presence sensors, either for individuals or industry.

 

Breakout supports the connection of load cells that are made by the Wheatstone Bridge technique, like most of the load cells. They usually have four wires, two for power supply (E + and E, most often red and black), and two for signal (A + and A-, most commonly white and green wire). The pins for these wires are also indicated on the PCB and it is easy to connect.

Obstacle sensor with easyC
Obstacle sensor with easyC

The TCRT5000 is an infrared (IR) reflective sensor module that is commonly used for proximity sensing and line-following applications. It consists of an infrared emitter and a phototransistor placed side by side in a compact package. The emitter emits infrared light, which gets reflected off nearby objects, and the phototransistor detects the intensity of the reflected light.

This sensor module is widely used in robotics and automation projects. It can be used to detect the presence or absence of objects by measuring the intensity of reflected infrared light. It is also commonly employed in line-following robots where it can detect and follow lines marked with contrasting colors.

The TCRT5000 operates on a supply voltage typically ranging from 3.3V to 5V. The breakout board provides digital and analog information through the easyC system. Sensor readings are obtained through easyC.

 

Product usage tips:

 

Two mounting holes enable easy mounting to surfaces.

 

Out of stock ADC 16-bit ADS1115 4-channel with PGA breakout
ADC 16-bit ADS1115 4-channel with PGA breakout

ADC (Analog Digital Converter) is a device that reads analog signals (just like the analogRead () function in Arduino IDE) and converts them into a digital signal that can be read by a microcontroller. This breakout is based on the ADS1115 ADC, which reads values in 16-bit resolution, receives a maximum of 3.3V on its inputs and has a total of 4 channels (which can also be used as two differential). Works great with each microcontroller at 5V. It has 2 easyC connectors for easier connection on I2C communication.

Ultrasonic sensor with easyC
Ultrasonic sensor with easyC

The HC-SR04 ultrasonic sensor is an affordable and super-popular sensor that measures the distance between itself and an object located in front of the sensor. Very simple to use, it returns the distance in centimeters or inches.

In this variation, it comes on a board with an Attiny microcontroller that sends readings from the sensor as a digital signal via the easyC connector to the microcontroller, which makes its connections a piece of cake.

Load cell sensor 10kg
Load cell sensor 10kg

A load cell is a small device that is able to weigh the load that is on it. Depending on the load, it provides very small output voltages that need to be amplified (e.g. using an op-amp or an ADC with a built-in op-amp) in order to be able to do useful things with it. It has two fixed and two variable resistors connected to the Wheatstone bridge.

It needs to be connected to the HX711 board so you can read the readings with the Dasduino. For more details, see How to Use the Module Tutorial in the upper right corner.

Load cell sensor 1kg
Load cell sensor 1kg

A loadcell is a small device that is able to weigh the load that is on it. Depending on the load, it provides very small output voltages that needs to be amplified (e.g. using an op-amp or an ADC with a built-in op-amp) in order to be able to do useful things with it. It has two fixed and two variable resistors connected to the Wheatstone bridge.

 

It needs to be connected to the HX711 board so you can read the readings with the Croduino. For more details, see How to Use the Module Tutorial in the upper right corner.

 

Membrane keyboard 1x1
Membrane keyboard 1x1

A mini version of our larger membrane keyboard that will still be sufficient for projects that need slightly less input.

 

  • The size of the upper part: xcm x xcm
  • Cable lenght: 9cm, flexible
  • Connector: 5-pin
Mini motion sensor
Mini motion sensor

Miniature motion sensor HC-SR505 detects movement in its environment and it is based on infrared technology. It easily connects with Croduino/Arduino via digital pins. When it detects movement, digital output pin sets to HIGH (3.3V, analog 675).

 

Model: HC-SR505
• Voltage: 4.5V – 20V DC
• Detection angle: <100 degrees
 Detection range: 3m
• Dimensions: 40 x 10 x 11mm

Dust sensor PPD42NS PM2.5
Dust sensor PPD42NS PM2.5

PPD42NS is a photoelectric sensor that detects the concentration of dust in the air and thus shows the quality of the air, using light reflection. The PM (eng. Particulate Matter) level in the air shows the amount of physical particles, and the label PM2.5 indicates particles smaller than 2.5um. This sensor provides data collectively, so it will be extremely useful in projects measuring the quality and purity of the air.

CO2 sensor MH-Z19
CO2 sensor MH-Z19

The MH-Z19 is a sensor that uses the non-dispersed infrared principle to detect CO2 in the air. It has built-in temperature compensation and high sensitivity to gas detection, and therefore has extremely accurate readings, and its outputs are on UART and PWM. It consumes little electricity and has a long service life.

 

100k NTC thermistor
100k NTC thermistor

NTC (Negative Temperature Coefficient) is a  resistor with variable resistance that changes depending on the temperature. The advantage of NTC is that it can measure a large temperature range, and measuring it with a voltage divider is very easy.

PMS7003 sensor PM10, PM2.5
PMS7003 sensor PM10, PM2.5

PMS7003 is a kind of digital and universal particle concentration sensor, which can be used to obtain the number of suspended particles in the air, i.e. the concentration of particles, and output them in the form of digital interface. This sensor can be used with different gadgets related to the concentration of particles in the air.

Fingerprint sensor adapter
Fingerprint sensor adapter

This adapter will help you connect our fingerprint sensor with ease.

PMS5003 sensor adapter
PMS5003 sensor adapter

This adapter will help you connect our air quality sensor PMS5003 with ease.

Load cell module high-precision 20kg
Load cell module high-precision 20kg

Load cell is a small device that is able to weigh the load on it. Due to the load, it provides very small output voltages that need to be amplified (eg using op-amp or ADC with a built-in op-amp) to find the use for the module. It incorporates two invariable two variable resistors connected to the Wheatstone Bridge. This sensor is made from high-quality materials, so it does not get affected by high temperature or continous load. You need to connect it with the HX711 to read information with Croduino.


                
PM2.5 dust sensor GP2Y1010AU0F
PM2.5 dust sensor GP2Y1010AU0F

The dust sensor inside has an infrared LED and an IR receptor. This allows it to detect even the smallest interruption of the light flux from the diodes to the detector and to register this as a dust particle. It is also effective in detecting other finer particles, such as those found in cigarette smoke. It gives an analog value as output, which you can connect to the analog input of a microcontroller and accurately measure air quality.

Microwave motion sensor
Microwave motion sensor

This motion sensor uses microwaves, based on the radar doppler effect, to detect warm bodies in motion. Therefore, it can be used as an alternative to the PIR sensor, the advantage being that it does not require optical visibility as a PIR sensor, and the disadvantage is that it detects objects at a smaller distance from the PIR.

Approximate frequency: 3.181GHz
Input voltage: 4.0V – 28.0V
Output voltage: 3.3V
Dimensions: 36 x 17.3 mm

Mini voltmeter, up to 30V
Mini voltmeter, up to 30V

The digital voltmeter displays connected voltage using 7-segment characters.It contains three figures and measures up to 30V DC with precision of 1%. It is powerd by same wire at which it measures voltage making it easier to connect. On it sides it has two mounting holes.

 

Measuring range: 5.0V – 30V
Step: 0.1V
Precision rate: 1%
Voltmeter’s operating voltage: 5.0V – 30V
Character color: red
Dimensions: 23mm x 15mm x 10mm

Matrix keyboard 3x4
Matrix keyboard 3x4

Matrix keyboard is a system of 12 buttons that are interconnected that allowes us a more complex data input on Croduino/Arduino. With this keyboard you will create whole systems of menus, data entry and settings of various parameters.

Dimensions: 70 x 50 mm

Stainless steel water level sensor
Stainless steel water level sensor
The float sensor allows you to detect the height of water or some other liquid in the tank. This float sensor works on the principle of magnets and magnetic (reed) switches. Usually, it is mounted on the bottom or top of the tank, and when in water, the floating part with a magnet, triggers the magnetic switch. This alteration can be detected and trigger a certain action; eg filling the tank or launch alert. Sensor itself is made out of stainless steel and it won’t rust in humid enviroments.
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