18650 battery charging shield | 9 |
18650 lithium-ion-battery | 9, 13 (2), 14 (2) |
4Ω speaker | 2 (2) |
9V battery | 13, 14 |
Arduino Uno or Nano | 5 |
Button switch | 3 (2) |
Capacitor | 9 (10μF), 12 (100μF) |
CCS811 air quality sensor | 9 |
DC motors | 13 (2), 14 (2) |
ESP32 DEVKIT DOIT | 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 15 |
ESP32-CAM camera | 11, 12, 13, 14 |
Externally powered speaker | 2 |
FT232RL FTDI USB to TTL Serial converter | 11 |
ILI9341 TFT LCD 2.4" screen 320×240 pixels | 11 |
Infrared sensor VS1838B | 4 |
LED and 220Ω resistor | 3, 5 (2), 7 (2), 8, 15 (2) |
LM2596 buck convertor | 13, 14 |
M5Stack Core2 | 1, 2, 7, 10, 11 |
M5Stack Core2 Battery Base | 1 |
MAX98357 decoder | 5 (2) |
Micro-SD card | 2 |
nRF24L01 transceiver | 5 |
OLED screen 128×96 pixels | 2, 10 |
PCM5102 decoder ... |