Quantity   Component name
1 × ESP-12
1 × BPW34F Opto and Fiber Optic Semiconductors and ICs / Photodiodes
1 × MCP73831T-2AT Power Management ICs / Power Supply Support
1 × SHTC1 Temperature and humidity sensor
2 × KP-3216F3C Optoelectronics / Misc. Optoelectronic Components
1 × ACCU-UF553443 3.7 V Battery Batteries and Battery Accessories / Battery Chargers