Quantity   Component name
1 × Arduino SD card module Micro SD TF Card Adapter Reader Module 6Pin SPI Interface Driver Module with chip Level Conversion for Arduino
1 × Arduino Nano v3
1 × INA219 DC Power Sensor INA219 I2C Bi-Directional DC Current Power Supply Sensor Breakout Board Module I2C IIC Interface for Arduino
1 × 24 AWG wire or Jumpers
1 × Audio Terminal Connector or similar, for ground connection.