Expansion Board 2.0 for Pycom IoT Development Boards [Discontinued] _MAKE_LED_STANDARD 1mm plug (we have a

1mm plug (we have a nice one in the shop)

f = 1 kHz，Av=26dB

These are best used by electronics geeks who have experience and are comfortable working with delicate electronic components

This is series 1 for those who are going to collect these :)

Expansion Board 2.0 for Pycom IoT Development Boards [Discontinued] _MAKE_LED_STANDARD 1mm plug (we have aThis Pycom Expansion Board is compatible with both the LoPy and the WiPy 2. 0 and brings additional functionality to your IoT project. Simply insert the WiPy or LoPy into the headers and enjoy all the extra features! Not for use with original WiPy, for WiPy 2. 0! Click here for the v1. 0 WiPy adapter Specifications: USB and LiPo battery powered FT234XD USB to serial converter LiPo battery charger (BQ20 ), with options for 2 different charging currents