ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part 1 Press Switch SW1,SW2,SW3 SW-TH_4PIN-L6.00-W6.00 3 Switch,6*6*7.3Plastic square head,260G, 0.25mm,Straight line BBJ LCSC C71843 2 NodeMCU V2 Amica U1 NODEMCU V2 LAYOUT 1 ? 3 3 Pin Header P1,P2 HDR-3X1/2.54 2 Header-Female-2.54_1x3 Boom Precision Elec LCSC C146243 4 1K R3,R1,R2 AXIAL-0.6 3 - Chian Chia Elec LCSC C120415