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    ElecFreaks Octopus CO2 Gas Sensor

    Manufacturer: Elecfreaks
    The Octopus CO2 Gas Sensor, part of the OCTOPUS series, features a consistent design with the same outlook, PCB fixing holes, and connections as its counterparts. As CO2 concentration increases, the output voltage decreases, allowing users to easily obtain CO2 readings through our brochures and coding samples.

    The CO2 probe is crafted from industrial-grade materials, rendering it highly responsive to CO2 while resisting interference from alcohol and CO. It excels in performance with rapid response times, even in varying temperature and humidity conditions. Additionally, the onboard heating circuit efficiently converts 5V to a stable 6V voltage, enhancing the adaptability of the CO2 Gas Sensor.

    Please note that this sensor requires a breakout board for operation, and it is typically paired with the Elecfreaks IOT:BIT board by the manufacturer.

    SKU: EF04100
    Availability: 19 in stock
    €57.95
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    Device TypeBoards Modules & Sensors
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    Picture of Kitronik Compact all in one Robotics Board for the BBC micro:bit

    Kitronik Compact all in one Robotics Board for the BBC micro:bit

    KI 5693
    With the Kitronik Compact Robotics Board, the BBC micro:bit can be used to drive 4 motors (or 2 stepper motors) and 8 servos. Coupled with 17 other I/O expansion points, this means the BBC micro:bit can very easily become the core of a whole variety of robotics projects. The board is small on footprint but big on features and connectivity. Please note, when used with a stepper motor, half-stepping is supported - but not micro-stepping.

    The Robotics Board features 2 Dual H Bridge Motor Driver ICs (capable of driving 2 standard motors or 1 stepper motor each) and 8 servo outputs (capable of driving standard and continuous rotation servos), all controlled from the BBC micro:bit using the I2C protocol via a 16 channel driver IC. Kitronik's custom MakeCode blocks make using I2C easy, even for novice users.

    The Link header breaks out all the usable pins from the BBC micro:bit, and is designed to allow 2.54mm pitch pin header to be easily soldered into place. The 17 available I/O pins allow other input devices, for example, sensors, or output devices, such as ZIP LEDs, to be added to the board. The I2C communication lines are also broken out (Pins 19 & 20), which means other I2C compatible devices can also be added to the board and controlled by the BBC micro:bit.

    Power is provided via either a terminal block or servo style connector. The supply is then controlled by an on/off power switch to the board. There is also a green LED to indicate when the board is turned on. The board then produces a regulated 3.3V supply which is fed into the 3V and GND connections to power the connected BBC micro:bit. This removes the need to power the BBC micro:bit separately. The 3V and GND pins are also broken out on the Link header, which means external devices can also be powered.

    To use the compact robotics board, the BBC micro:bit should be inserted firmly into the edge connector, with the LEDs and buttons visible from the front.

    Kitronik has produced a set of custom blocks for the MakeCode editor to simplify using the Compact Robotics Board for BBC micro:bit. To add them to the editor, select the cog icon in the top right of the editor. Then, select Extensions from the drop-down menu and in the search bar type and enter Kitronik. Pick the Kitronik robotics Board from the list and the new blocks will be added to the menu in the editor.

    Features:
  • A compact yet feature-packed board designed to sit at the heart of your robotics project.
  • It can drive 4 motors (or 2 stepper motors) and 8 servos.
  • The board also has 17 other I/O expansion points.
  • The link header is designed to allow 2.54mm pitch pin header to be used.
  • The I2C communication lines are also broken out allowing other I2C compatible devices to be controlled.
  • This board also features an on/off switch and power status LED.
  • Power the board via either a terminal block or servo style connector.
  • The 3V and GND pins are also broken out on the Link header, allowing external devices to be powered.
  • Code with the Microsoft MakeCode editor with custom blocks by Kitronik or with Python.
  • When used with a stepper motor, half-stepping is supported - but not micro-stepping.

  • Contents:
  • 1 x Compact Robotics Board for BBC micro:bit.

  • Dimensions:
  • Length: 68mm.
  • Width: 46.5mm.
  • Height: 10.6mm.
  • PCB Thickness: 1.6mm

  • €24.94
    Picture of Kitronik Jumper Wires 20cm Male / Female 40 Pack

    Kitronik Jumper Wires 20cm Male / Female 40 Pack

    KI 4128-40
    These are 20cm long jumpers with male connectors on one end and female on the other. Use these to jumper from any male or female header on any board. Multiple jumpers can be installed next to one another on a 0.1" header.

  • Male to Female connectors
  • Pack of 40 x M/F Jumpers (four of each colour)
  • Length: 20cm (approx)
  • €3.95
    Picture of Kitronik Prong Soil Moisture Sensor for micro:bit

    Kitronik Prong Soil Moisture Sensor for micro:bit

    KI 5647

    Due back in stock early December



    The Prong soil moisture sensor for BBC microbit is a sensor board that can be directly mounted to a BBC micro:bit to monitor the moisture present in the soil. The two conductive tines are placed into the soil. Any water or moisture in the soil will conduct to give an analogue voltage that can be read by the BBC micro:bit.

    Prong is powered from the 3V supply of the BBC micro:bit. Use either the USB or JST connector on the BBC micro:bit to power the circuit. Prong and the BBC micro:bit can also be powered from the Mi:Power board to create a compact stand-alone unit.

    The board has been designed so that the BBC micro:bit can be bolted on using 3 x M3 nuts and 3 x M3 screws. Place the screws through the P1, 3V and GND holes of the PCB and BBC micro:bit, then use the M3 nuts to fasten together on the back of BBC micro:bit. Alternatively, croc-clips can be used to connect between the Prong and the BBC micro:bit.

    If using the Mi:Power board then additionally connecting P0 means the BBC micro:bit can sound an alarm if the soil becomes too dry. When fitted to the Prong moisture sensor, the micro:bit can be coded via any of the micro:bit editors, such as the Microsoft MakeCode editor.

    Note: To ensure that the Prong moisture sensor has a long and fulfilling life, it is better to write your code to perform a moisture check every so often rather than continuously. When the check is performed continuously it promotes rapid erosion of the electrodes.

    Features:
  • Measure soil moisture levels.
  • Attaches directly to the microbit.
  • Use in conjunction with the Mi:Power board to provide power and an audible alarm.
  • Code with any microbit coding editor.

  • Contents:
  • 1 x Prong Soil Moisture Sensor for microbit.
  • 3 x M3 Hex Nuts.
  • 3 x M3 Countersunk Screws.

  • Dimensions:
  • Length: 68mm.
  • Height: 53mm.
  • PCB Thickness: 1.6mm.
  • €5.50
    Picture of Kitronik Ultrasonic Distance Sensor HC-SR04 5V Version

    Kitronik Ultrasonic Distance Sensor HC-SR04 5V Version

    KI 46130
    Add obstacle detection to your robotics, electronics, or Arduino project. This module has been specially selected to work on the voltage range typically found with the Arduino range of products. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit.

    There are only four pins that you need to worry about on the HC-SR04: VCC, Trig, Echo and GND. VCC and GND are for power and Trig, Echo and GND are for your signal. GND is in with the signal set since it's needed for a baseline. You can easily add this to your project and even use with the microbit if you use a separate 5V power supply.

    Features:
  • Add obstacle detection to your robotics, electronics, or Arduino project.
  • It can also be added to micro:bit projects provided a separate power supply is used.
  • It provides 2cm to 400cm of non-contact measurement functionality
  • It has ranging accuracy that can reach 3mm.
  • Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit.
  • The pins are; VCC, Trig, Echo and GND

  • Dimensions:
  • Length: 45mm.
  • Width: 20mm.
  • Max height: 15mm.
  • Pin Pitch: 2.54mm


  • €3.50