BMP085 : bmp085 atomphere pressure sensor
HC-SR04 : ultrasonic ranger
HMC5883L : electronic compass
HTU21DF : humidity and temperature sensor
MLX90614 : infrared temperature sensor
VL53L0X : infrared ranger (~1 meters)
VL53L1X : infrared ranger (~2 meters)

MPU6050_HMC5883_AHRS : MPU6050 + HMC5883 (GY-88 module) with Madgwick filter, support output MPUTeapot packet
MPU9250_BasicAHRS2 : MPU9250 with Madgwick filter, support output MPUTeapot packet
MPU6050_DMP_Teapot : MPU6050 DMP, support output MPUTeapot packet
MPU9250_DMP_Teapot : MPU9250 DMP, support output MPUTeapot packet
(MPUTeapot.pde will render a 3D object to show AHRS in Processing)

ESP8266Audio.zip : ESP8266 Audio library
ESP8266_Spiram.zip : ESP8266 SPI RAM library
IRremoteESP8266.zip : ESP8266 IR Remote library
MPU6050.zip: MPU6050 DMP library
SparkFun_MPU9250-DMP.zip : * MPU9250 DMP library*
Time.zip : timer library
TimeAlarms-1.5.0.zip : timer alarm library