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. 2024 May 22;14(6):264. doi: 10.3390/bios14060264

Figure 1.

Figure 1

The schematic view of the setup is shown in (a), and a picture of the setup is in (b). (c) is a microscopic picture of the array of microLEDs with different LEDs turned on and (d) is a picture of the CMOS driver wire bonded to the PCB.