Bill of Materials

  • 1x TP4056 Li-Ion Battery Charger Module
  • 1x A3338 3.3V Regulator
  • 1x Arduino Nano or Nano Pro
  • 1x HC05 or HC06 Bluetooth Module
  • 1x SX1276 Chip or SX1276 Module
  • 1x 2.2k 1/4W Resistor
  • 1x 470nF ceramic capacitor
  • 1x 4.2V-5V Solar Panel
  • 1x 4.2V Battery or Battery Pack