※此為限量商品，下單前可先來電詢問小幫手確認庫存。
本商品為研發實驗用的模組，無法隨插即用，須經專業背景人士（如：工程師、研究生、師生）撰寫程式、燒錄、接線等二次加工後，才具備訊號傳輸功能。
並非直接插電後可直接使用之射頻模組，非屬電信管制射頻器材，購買前請詳閱商品說明。
Description
The expansion board is compatible with both the LoPy and the WiPy 2.0.
Features
- All WiPy and LoPy pins are available on breakout pins
- Micro USB Connector for power and for serial communication.
- User Button
- User LED
- Reverse battery protection
- LiPo battery charger
- Micro SD card connector with push-pull function
- 7 jumpers for enabling and disabling features
Specification
- USB and LiPo battery powered.
- FT234XD USB to serial converter.
- LiPo battery charger (BQ24040), with options for 2 different charging currents (100mA and 450mA).
- TPS2115A with reverse voltage protection.
- MicroSD card slot.
- 2 female headers to easily plug in the WiPy 2.0, SiPy or the LoPy. This expansion board is not compatible with WiPy 1.0
- JST style battery connector.
- Power LED and charge status LED.
- 1 user LED and 1 user switch.
- Battery voltage monitoring via the WiPy ADC.
- Lots of jumpers to enable/disable features.
- Dimensions: 65 x 50 x 12 mm.
Mechanical
