Quantity   Component name
1 × STMicroelectronics SPV1050 Ultralow power energy harvester and battery charger
1 × STM32L011D3P6 TSSOP14 or STM32F072F4P6 TSSOP20 Cortex-M0 MCU
1 × EECS0HD224H Supercap 5.5V 0.22F Capacitors / Electric Double-Layer (EDL)
1 × NRF24L01+ 2.4GHz wireless module