Quantity   Component name
1 × ESP32-S3-WROOM-1-N16R8 A high-performance wireless microcontroller module
1 × RFM-0505S DC-DC Converter
1 × INA240A2DR Current-sense amplifier
1 × ISO1540DR A low-power, bidirectional digital isolator
1 × AP22818BKCWT-7 Single-Channel High-Side Switch
2 × LD1117S33TR Power Management ICs / Linear Voltage Regulators and LDOs
1 × USBLC6-2SC6 ESD and TVS Suppressors / ESD and Transient Voltage Suppression (TVS) Diodes and Arrays
1 × TYPE-C-31-M-12 USB Type-C Female Connector
1 × FC-135R 32.7680KA-A3 Quartz crystal resonator (32.7680 kHz)
2 × TS-1088-AR02016 Tactile switch
1 × MMBT2222A NPN Small-Signal Transistor
2 × 189RV0006 35V 47uF Aluminum electrolytic capacitor
1 × TCC1206COG331J102DT 330pF 1kV Multilayer Ceramic Capacitor
99 × Passives 0805 and 1206 (see BOM)
4 × Threaded insert M3 x 3mm
4 × M3×12 mm black nylon Phillips pan-head screw
4 × M4X36 Copper Terminal 4MM Banana Jack Socket