KS4025 Keyestudio Micro:bit V2 Board - Revision history

Keyestudio: /* Resource */

2021-04-30T07:12:10Z

Resource

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	== Resource ==		== Resource ==
			https://fs.keyestudio.com/KS4025

	* micro:bit official website：http://microbit.org/		* micro:bit official website：http://microbit.org/
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	* http://microbit.org/zh-CN/guide/		* http://microbit.org/zh-CN/guide/
	（recommend Google Chrome)		（recommend Google Chrome)



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2021-01-12T08:26:31Z

Pins Description

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	== Pins Description ==		== Pins Description ==

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	== Resource ==		== Resource ==

Keyestudio: /* Resource */

2021-01-12T08:25:18Z

Resource

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Keyestudio at 06:47, 23 December 2020

2020-12-23T06:47:16Z

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	== Description ==		== Description ==
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	== Function ==		== Function ==

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Keyestudio at 06:41, 23 December 2020

2020-12-23T06:41:49Z

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		== Description ==

		Micro: bit is an ARM-based microcontroller designed by BBC. Consisting of onboard Bluetooth, accelerometer, electronic compass, three buttons, 5 x 5 LED dot matrix, it is only half the size of credit card and mainly used for programming education for teenagers. In order to carry it conveniently, we put a micro: bit control board and two manuals in storage bag. The storage bag is light and beautiful.


		== Specification ==

		* Working voltage: 3.3V
		* Power supply voltage: 3-3.3V
		* Micro USB program burning/power supply port: 5V
		* PH2.0 power interface: 3-3.3V
		* Alligator clip interface: 3-3.3V
		* Detection range: 0-3.3V
		* Processor: Arm Cortex-M4 32 bit processor with FPU
		* Working temperature: 0-85℃
		* Micro USB program burning/power supply port
		* PH2.0 3V power supply port
		* 4mm alligator clip interface*5
		* Gold finger interface*20
		* Product size: 43*52mm
		* Weight: 9.6g

		== Features ==

		* Support PXT graphical programming interface developed by Microsoft
		* Support Windows, macos, iOS and Android system
		* The programming environment is based on WEB services, no need to download additional compilers
		* Burn and simulate program via USB on PC terminal
		* Burn and simulate program via Bluetooth
		* Support multiple communication programming languages including javasript, python, mbed c.


		== On-board Resource ==

		* Application Processor：Nordic nRF52833，64MHz ARM Cortex-M4, 512KB Flash、128KB RAM
		* Bluetooth Wireless Communication：Bluetooth 5.1 with Bluetooth Low Energy，2.4GHz ISM ，50 2MHz channels
		* Micro:bit Radio：2.4GHz Freq band，1Mbps or 2Mbps Channel rate
		* LSM303AGRthree-axis accelerator and magnetic sensor
		* Temperature sensing：on-core NRF52，Sensing range：-40℃ ~ 105℃

		* Speaker：JIANGSU HUANENG MLT-8530
		* Microphone：Knowles SPU0410LR5H-QB-7 MEMS，-38dB ±3dB @ 94dB SPL
		* 25 Pcs red LEDs
		* Three mechanical buttons including two user buttons and a reset button
		* A touch logo
		* MicroUSB power-supply/download connector，power socket, edge connector，including SPI, PWM, I2C, support 17 pcs GPIO

		== Function ==

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		== Pins Description ==

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		== Resource ==

		* micro:bit official website：http://microbit.org/
		* http://microbit.org/zh-CN/code/
		* http://microbit.org/zh-CN/ideas/
		* http://microbit.org/zh-CN/guide/
		（recommend Google Chrome)



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2020-12-23T06:41:34Z

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