Link | BBC Micro:bits | BBC Micro:bit v2 |
---|---|---|
Image | ||
Website | microbit.org | microbit.org/... |
Release date | 2015 | Oct. 13th 2020 |
Price | $ 15 | $ 15 |
Product details | ||
CPU | nRF51822 ARM Cortex-M0 32 bit | nRF52833 Arm Cortex-M4 32 bit with FPU |
CPU Clock | 16 MHz | 64 MHz |
RAM | 16 KB | 128 KB |
ROM (Flash) | 256 KB | 512 KB |
Operating voltage | 3.3 V | 3.3 V |
USB | Yes micro-USB | Yes micro-USB |
Connectivity | ||
UART | x1 | x1 |
SPI | Yes x3 | Yes x3 |
USB Host | Yes | Yes |
GPIO | 19 | 19 |
I²C | Yes | Yes |
ADC | Yes x6 10-bit | Yes x6 10-bit |
PWM | Yes x3 | Yes x3 |
DAC | No | No |
RTC | No | No |
Bluetooth® | Yes BLE 4.0 | Yes BLE 5.1 |
Wi-Fi | No | No |
Sensors | ||
Accelerometer | Yes | Yes |
Temperature sensor | Yes | Yes |
Built-in microphone | No | Yes |
Built-in speaker | No | Yes |
Hall effect sensor | No | No |
Touch sensors | - | Touch-sensitive logo pin |
Built-in buttons | 3 (2 + 1 reset) | 4 (2 + 1 reset + 1 capacitive touch) |
Dimensions | ||
Height | 43 mm | 43 mm |
Width | 52 mm | 52 mm |
Links | ||
Website | microbit.org | microbit.org/... |