Micro:bit SBC ploča V2.21 (microbit, micro bit)

Micro: bit v2.2 is a card-sized microcontroller designed for kids and beginners 

Micro bit, microbit

 

PRODUCT DETAILS

Features

 

Card-sized microcontroller: (4 x 5cm) Easy to use &carry, designed for kids and beginners

Wireless Capability: Built-in 2.4GHz micro: bit radio and BLE Bluetooth 5.0

Rich Peripheries: Built-in buttons, MEMS microphone, speaker, touch-sensitive logo, acceleromete

Beginner Friendly: Programmable Onboard 25 red LEDs for inter that can be used for interactions

Completely Programmable: Support C++, MakeCode, Python, and Scratch software

Notched Connector for easier connections

 

Description

 

 

Micro: bit v2.2 is a card-sized microcontroller designed for kids and beginners learning how to program, letting them easily bring ideas into DIY digital games, interactive projects, and robotics. You can use your BBC micro: bit for all sorts of cool creations, from robots to musical instruments. The possibilities are endless.

 

Micro: bit v2.2 has a lot of features and is completely programmable. Each of its LEDs can be individually programmed. It is also equipped with a MEMS microphone, speaker, and touch-sensitive logo. If you want to realize wireless projects, it is equipped with a 2.4GHz micro: bit radio and BLE Bluetooth 5.0.

 

Also, It has 25 red LEDs that can flash messages and two programmable buttons that can be used to control games or pause and skip songs on a playlist. micro: bit v2 can also detect motion and tell you in which direction you’re heading in with the help of the onboard accelerometer.

 

Specifications

 

SPECIFICATION              DETAILS

Processor                       Nordic Semiconductor nRF52833
Memory                         512KB Flash, 128KB RAM

Interface                        NXP KL27Z, 32KB RAM

Microphone                   MEMS microphone and LED indicator

Accelerometer               ST LSM303AGR

Speaker                         On-board speaker

Logo touch                    Touch-sensitive logo

Edge Connector             25 pins. 4 dedicated GPIO, PWM, I2C, SPI and ext. power. 3 ring pins for                                          connecting crocodile clips/banana plugs. Notched for easier connection

I2C                                 Dedicated I2C bus for peripherals

Wireless                         2.4GHz micro: bit Radio/BLE Bluetooth 5.0

Power                            5V via micro-USB port, 3V via edge connector or battery pack, LED                                                power indicator, Power off (push and hold the power button

Current available          200mA available for accessories
Motion Sensor              ST LSM 303

Software                       C++, MakeCode, Python, Scratch

Size                               5cm(w) x 4cm(h)

 

Board Changes

 

Speaker: Addition of a speaker at the back of the board, but you need to carefully check when accessories are mounted closer to the board than the depth of the current JST connector. By default, the micro: bit will output sound to both the edge connector pins and the onboard speaker. If your accessory makes use of a speaker, you may wish to disable the onboard speaker. This will need to be done in software.

 

Microphone: Addition of a rear-mounted MEMS microphone with a sound input hole on the front of the board, with a microphone activity LED. Make sure not to cover the microphone and the microphone LED when mounting on accessories.

 

Touch-sensitive logo: Addition of capacitive touch support to the micro: bit logo which is made of gold plated copper. Capacitive touch is used for the large pins on the micro: bit v2 as opposed to the resistive touch present in the micro: bit v1.5.

 

Antenna: Change of position of the antenna with an angle and coating it with copper to make it more visible. If your accessory makes use of radio or Bluetooth, it’s better to test your software packages with both board revisions.

 

Hardware Changes

 

I2C Bus: Addition of dedicated external I2C lines from the nRF52 of micro: bit v2 to use with accessories as opposed to the shared I2C bus on the micro: bit v1.5

 

Power: micro: bit v2 can be powered from the two lozenge-shaped pads on the rear of the board and the 3V/GND pins. The nRF52 supplies 300mA to drive the board. 100mA is reserved for powering onboard components. 200mA is then available for accessories.

 

Part List

 

1 x micro: bit v2
1 x User guide

 

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