Fig. 4

The internal modules of the mTMS device and their connectivity. The modules that contain a microcontroller are marked with a microcontroller symbol. A control unit, B optical conversion, C DC power distribution (blue board), charger interface and safety monitor (green board), high-voltage charger (gray box), D safety bus, E channels, consisting of the pulse capacitors (gray cylinders), discharge controllers (red boards), and H-bridges (dark gray), F door switches, emergency button, and coil connectivity indicator, G sensor interface, H coil-specific memories and sensors. The inset shows local and global heartbeat signals