# Component image credits

The copies in this folder were resized and converted to PNG for the DeepTrack
prototype page. No endorsement by the original creators is implied.

- `esp32.png` — [ESP32 Espressif ESP-WROOM-32 Dev Board](https://commons.wikimedia.org/wiki/File:ESP32_Espressif_ESP-WROOM-32_Dev_Board.jpg), Ubahnverleih, [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/).
- `hc-sr04.png` — [HC-SR04 ultrasonic sensor](https://commons.wikimedia.org/wiki/File:HC_SR04_Ultrasonic_sensor_1480319_20_21_HDR_Enhancer.jpg), Nevit Dilmen, [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/).
- `dht22.png` — [AM2302 (DHT22) module](https://commons.wikimedia.org/wiki/File:AM2302_(DHT22)_digital_temperature_and_humidity_sensor_module.jpg), Suyash Dwivedi, [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/).
- `mpu6050.png` — [GY-521 MPU-6050 module](https://commons.wikimedia.org/wiki/File:GY-521_MPU-6050_Module_3_Axis_Gyroscope_%2B_Accelerometer_0487.jpg), Nevit Dilmen, [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/).
- `mq4.png` — [Gas sensor breakout board](https://commons.wikimedia.org/wiki/File:SparkFun_gas-sensor-breakout-board_15662152373_o.jpg), SparkFun Electronics, [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/). The photograph represents the gas-sensor form factor; it is not an exact MQ-4 module guarantee.