Banana Pi Bit board with EPS32 for STEAM education
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The BPI:bit (also referred to as BPI-bit, stylised as webduino:bit) is an ESP32 with Xtensa 32bit LX6 dual-core processor based embedded system. support Webduino, , MicroPython as well as Scratch X programming environments.
BPI:Bit development board 5 cm width 5 cm long, weighs about 10 ~ 12 grams, in addition to below 20 Pin goldfinger interface, a built-in a 25 full-color LED lighting matrix, two photosensitive resistance button switch a temperature sensing resistor A buzzer and a nine shaft sensor (triaxial acceleration Three-axis gyroscope and three-axis magnetic compass), space configuration is as follows:
- Full color LED matrix :4
- photosensitive sensor :36 (A0 left) 39 (A3 right upper)
- button switch :35 (A) 27 (B)
- temperature sensor :34 (A6)
- buzzer: 25
- 9 axis sensor mpu-9250:21,22.
BPI Bit : provides a wide range of onboard resources, supports photosensitive sensor, digital triaxial sensor, digital compass, temperature sensor interface, gold finger interface and micro:bit fully compatible.
Webduino:bit have 25 intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components.Cascading port transmission signal by single line.Each pixel of the three primary color can achieve 256 brightness display, completed 16777216 color full color display, and scan frequency not less than 400Hz/s.
GPIO PIN define :
BPI:bit edge interface
5*5 LED list
BPI:bit have 25 LEDs on board ,you can control it with 1 GPIO . easy to use it.
|25 5*5 LED list of BPI:bit|
bpi:bit VS micro:bit
|bpi:bit VS micro:bit|
|CPU||Dual-core 32bit Xtensa LX6, up to 240MHz||32bit ARM Cortex M0, up to 16MHz|
|Bth||BT4.2 BR/EDR and BLE||BLE only|
|photosensitive sensor||2 light sensor||Basic light detection function on LEDs|
|temperature sensor||Stand along temperature sensor||On CPU chip temperature sensor|
|other senesor||MPU-9250 9-axis MotionTracking : 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer||3-axis Accelerometer; 3-axis magnetometer|
|5*5 LEDS||25 intelligent-control full-color (16777216 color) LEDs, Cascading all LEDs by a single line.||25 red LEDs|
|25 GPIO||edge interface (compatible with most micro:bit I/O features)||edge interface|
|Button||2 programmable buttons||2 programmable buttons|
|micro USB||1x micro USB(UART)||1 x micro USB(Mass Storage Device)|
|Software||Webduino, Ard, MicroPython, Scratch X||Microsoft MakeCode, MicroPython, Scratch X|
|Size||5*5 cm||5*4 cm|
BPI:bit planning programming: