Fig. 6: Wireless readout electronics.
From: Thread-based multiplexed sensor patch for real-time sweat monitoring

Photograph of read out electronic where (1) RedBear BLE Module MB-N2 containing the Nordic semiconductor nRF52832 SoC and chip antenna, (2) LMP91000 configurable potentiostat, (3) amperometric connectors, (4) battery holder CR2032 (3.6āV lithium-ion) battery holder, (5) potentiometric connectors b block diagram of multiplexed sweat sensor patch read out electronics for potentiometric as well as amperometric measurements.