added images and description for melopero shake rp2040

Author: leoli51

_board/melopero_shake.md

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+---
+layout: download
+board_id: “melopero_shake_rp2040"
+title: “Shake RP2040 Download"
+name: “Shake RP2040"
+manufacturer: “Melopero”
+board_url: "https://www.melopero.com/melopero-shake-rp2040"
+board_image: “melopero_shake_rp2040.jpg"
+date_added: 2021-9-22
+family: raspberrypi
+features:
+  - Feather-Compatible
+  - Battery Charging
+  - STEMMA QT/QWIIC
+  - USB-C
+  - Breadboard-Friendly
+---
+
+The **Melopero Shake RP2040** is a powerful development board based on the **Raspberry Pi RP2040** microcontroller, programmable in C/C++, MicroPython, CircuitPython and Arduino.
+
+The board features:
+
+* **16MB** of FLASH Memory
+* 3.7-4.2 LiPo **battery charger** (200mA charge curret)
+* **Battery monitor** (it sends an alert when the battery voltage drops at 3.4V)
+* Reset and boot buttons (no need to detach/attach the board to enter boot mode)
+* **Qwiic/Stemma QT connector** for attaching lots of Melopero, Adafruit and * SparkFun sensors
+* Classic **Feather pinout** for maximum compatibility
+* USB-C connector for powering, programming and charging
+* JST 2-pin connector for attaching the battery (we follow the Adafruit and SparkFun batteries polarity)
+* Green user LED on pin 13
+* **RGB WS2812 LED** (aka NeoPixel)
+* Orange LED for signaling the charging status
+* SWD header for debugging
+* 4 mounting holes
+* Programmable in **C/C++**, **MicroPython**, **CircuitPython** and **Arduino**
+ 
+
+Dimensions: 2.0” x 0.9” x 0.28” (50.8mm x 22.8mm x 7.05/max height ) .
+
+**The RP2040 key features:**
+
+* Dual ARM Cortex-M0+ @ 133MHz
+* 264kB on-chip SRAM in six independent banks
+* Support for up to 16MB of off-chip Flash memory via dedicated QSPI bus
+* DMA controller
+* Fully-connected AHB crossbar
+* Interpolator and integer divider peripherals
+* On-chip programmable LDO to generate core voltage
+* 2 on-chip PLLs to generate USB and core clocks
+* 30 GPIO pins, 4 of which can be used as analogue inputs
+* Peripherals
+◦ 2 UARTs
+◦ 2 SPI controllers
+◦ 2 I2C controllers
+◦ 16 PWM channels
+◦ USB 1.1 controller and PHY, with host and device support
+◦ 8 PIO state machines
+
+
+## Purchase
+* [Melopero](https://www.melopero.com/melopero-shake-rp2040)