 Short name | BBC Micro:bit v2 | M5StickC plus | ATOM Matrix |
|---|---|---|---|
| Image |  |  |  |
| Website | microbit.org/... | m5stack.com/... | m5stack.com/... |
| Release date | Oct. 13th 2020 | 2020 | 2020 |
| Price | $ 15 | $ 13.95 | $ 8.95 |
| Product details | |||
| CPU | nRF52833 Arm Cortex-M4 32 bit with FPU | ESP32 Dual core | ESP32 Dual core |
| CPU Clock | 64 MHz | 240 MHz | 240 MHz |
| RAM | 128 KB | 520 KB SRAM | 520 KB SRAM |
| ROM (Flash) | 512 KB | 4 MB | 4 MB |
| Operating voltage | 3.3 V | 3.3 V | 3.3 V |
| USB | Yes micro-USB | Yes USB-C | Yes USB-C |
| Built-in battery | No | Yes 120 mAh @ 3.7V | No |
| Screen type | 5x5 red micro led | 1.14 inch 135x240 px color LCD | 5x5 multi color led |
| Connectivity | |||
| I²C | Yes | Yes | Yes |
| UART | x1 | x1 | x1 |
| USB Host | Yes | No | No |
| GPIO | 19 | 6 accessible | 6 accessible |
| ADC | Yes x6 10-bit | Yes 10 bit | Yes 10 bit |
| PWM | Yes x3 | Yes | Yes |
| DAC | No | Yes | Yes |
| SPI | Yes x3 | - Not accessible | - Not accessible |
| RTC | No | Yes | No |
| Bluetooth® | Yes BLE 5.1 | Yes | Yes |
| Infrared port | No | Yes TX | Yes TX |
| Wi-Fi | No | Yes | Yes |
| Sensors | |||
| Accelerometer | Yes | Yes | Yes |
| Built-in microphone | Yes | Yes | No |
| Built-in speaker | Yes | - Buzzer | No |
| Hall effect sensor | No | Yes | Yes |
| Temperature sensor | Yes | ||
| Touch sensors | Touch-sensitive logo pin | ||
| Built-in buttons | 4 (2 + 1 reset + 1 capacitive touch) | 3 (Front + Side + on/off) | 2 (Screen + on/off) |
| Software | |||
| Programming Language | MicroPython, C/C++, Code blocks, Arduino | MicroPython, C/C++, Code blocks (UIFLOW), Arduino | MicroPython, C/C++, Code blocks (UIFLOW), Arduino |
| Drag & Drop upload | Yes | No | No |
| Dimensions | |||
| Height | 43 mm | 48.2 mm | 24 mm |
| Width | 52 mm | 25.5 mm | 24 mm |
| Depth | 13.7 mm | 14 mm | |
| Links | |||
| Name | BBC Micro:bit v2 | M5Stack M5StickC plus | M5Stack ATOM Matrix |
| Website | microbit.org/... | m5stack.com/... | m5stack.com/... |