Main components

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Part NumberDescription
SN74CBT3253Dual 1 to 4 Analog Multiplexer
SN74AC74PW
NCV8114ASN165T1G
UA78M05IDCYR
AP2120N-2.5TRG1
AD8137ARZ-R7
SN74LVC1G14DBVSingle Schmitt NOT Gate, Low-Voltage CMOS, SOT-23
NCP114ASN330T1G

qse2 schematic

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qse2 board layout

qse2 PCB render

Top PCB
Bottom PCB