The Pycom Expansion Board 2.0 is a base board for Pycom development modules, providing USB connectivity, LiPo battery charging, a microSD card slot, and easy access to all module pins. It is compatible with the WiPy 2.0, LoPy, SiPy, FiPy, and GPy.

Power the board via USB or a LiPo battery connected through the JST connector. The onboard BQ24040 charger handles battery charging with selectable current (100 mA or 450 mA), and reverse voltage protection keeps your hardware safe.

Key Features

• USB and LiPo Powered – FT234XD USB-to-serial converter with LiPo battery charger (BQ24040)
• Selectable Charge Current – 100 mA or 450 mA via jumper
• Reverse Voltage Protection – TPS2115A power path management
• MicroSD Card Slot – Onboard storage for data logging
• Battery Voltage Monitoring – Read battery level via ADC
• User LED and Button – One programmable LED and one user switch
• Status LEDs – Power and charge status indicators
• Configurable Jumpers – Enable or disable features as needed

Specifications

• Dimensions – 65 × 50 × 8 mm
• Weight – 18 g (43 g packaged)
• Battery Connector – JST
• USB Connector – Micro-USB

Compatibility

• Pycom WiPy 2.0
• Pycom LoPy
• Pycom SiPy
• Pycom FiPy
• Pycom GPy

Ideal For

• Prototyping IoT applications with Pycom modules
• Battery-powered wireless sensor nodes
• Data logging with microSD storage