Neutrik NC3FXX 3 Pole Female XLR Cable Connector 2SK2225 These are Carbon Film Resistor

These are Carbon Film Resistor with a value of 120k ohm 1/2W and tolerance of ±5%

It is a 5mm Round Water Clear LED

Chipset ESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor FLASH QSPI flash 4MB / PSRAM 8MB SRAM 520 kB SRAM Button Reset USB to TTL CP2104 Modular interface UART

Gold for these 11K resistors

2M resistors

Neutrik NC3FXX 3 Pole Female XLR Cable Connector 2SK2225 These are Carbon Film Resistor3 pole female cable connector with Nickel housing and silver contacts. The next generation of the worldwide accepted standard of XLR cable connectors. The successor of the X series offers several new features which make it more reliable, easier to assemble and improves contact integrity as well cable strain relief. Features Female connector with improved locking recess without "window", more stringent housing increases durability Improved chuck type