4440_025 v1.2 29 Hardware description Figure 24: Configuring P0.00 and P0.01 Figure 25: 32.768 kHz crystal and SB1–SB4 schematic 8.9 Measuring current The current drawn by the nRF52840 SoC can be monitored on the nRF52840 Preview DK board. There are several types of test equipment that ...