Multiplexer SOP65P640X120-24N Texas Instruments \n8-channel 1.65- to 5.5-V I2C/SMBus switch with reset & voltage translation\n TSSOP-24 Texas Instruments None https://www.snapeda.com/parts/TCA9548APWR/Texas+Instruments/view-part/?ref=snap TCA9548APWR In Stock https://www.snapeda.com/parts/TCA9548APWR/Texas+Instruments/view-part/?ref=eda

Battery Holder 1 Cells 9V Size Plastic Tray BAT_BC9VPC MPD (Memory Protection Devices) 21.46 mm https://www.snapeda.com/parts/BC9VPC/Memory+Protection+Devices/view-part/?ref=eda Manufacturer Recommendations H https://www.snapeda.com/parts/BC9VPC/Memory+Protection+Devices/view-part/?ref=snap BC9VPC