Biosignalsplux 4-Kanal-Set hub-displays The tiny unit is only

The tiny unit is only 1

Your I²C or SPI control source must also share a common ground with this board

we recommend careful reading of the A4990 datasheet (301k pdf)

mix multiple streams and output high quality audio to the headphones or line out pins

Biosignalsplux 4-Kanal-Set hub-displays The tiny unit is onlyStart your biosignals research with our biosignalsplux 4 channel toolkit and use up to 4 sensors simultaneously all within your budget. Experience wireless Bluetooth connectivity and high quality signal acquisition for demanding research purposes, without compromising signal integrity. Transmit precision signals at up to 3000 Hz per sensor at 16 bit resolution for up to 10 hours of Bluetooth acquisition. Forget about synchronizing different sensors