This page is a DRAFT.
As of v0.3.06 of the ER-301 firmware and teletype firmware v2.3, there is support for teletype to control the ER-301 over the i2c bus. There is a discussion thread over on the forum dedicated to this topic:
Forum thread on teletype integration
This package provides the units that enable the ER-301 to be controlled over the I2C bus using the monome teletype protocol.