thru-holes components from junk box: R3 1K preamp R9,R17 10K mixamp R16,R19 1K bpf R18,R20 240 bpf R12,R13 68K bpf C32,C30,C31,C29 0.47uf bpf R32 100K vcxo JP4,JP5 sma edge connectors LOX1 to MCLK1 wire J2,J3 8x2 dual row 0.100inch female If using esp32s2 put pins on esp32s2 and female connector on J1 for disp. If using 7in elecrow display, connect J2 pins.