![Amazon.com : Ardest Reflective Photoelectric Infrared Obstacle Avoidance Sensor IR Detection Module for Arduino Smart Car Robot : Electronics Amazon.com : Ardest Reflective Photoelectric Infrared Obstacle Avoidance Sensor IR Detection Module for Arduino Smart Car Robot : Electronics](https://m.media-amazon.com/images/I/61iXl44-PrL._AC_SX679_.jpg)
Amazon.com : Ardest Reflective Photoelectric Infrared Obstacle Avoidance Sensor IR Detection Module for Arduino Smart Car Robot : Electronics
![I'm trying to build an amplifier to amplify the aux signal coming from my phone to play it via an old laptop speaker (presumably 8 Ohms?). I tried basing my schematic off I'm trying to build an amplifier to amplify the aux signal coming from my phone to play it via an old laptop speaker (presumably 8 Ohms?). I tried basing my schematic off](https://i.redd.it/2fs4n3yc9dd71.jpg)
I'm trying to build an amplifier to amplify the aux signal coming from my phone to play it via an old laptop speaker (presumably 8 Ohms?). I tried basing my schematic off
![Hola, estoy haciendo un proyecto, pero hay un ´´error´´ que no deja de aparecer, que es que al momento de conectar algunos cables me señala que debo conectar 2 pines que no Hola, estoy haciendo un proyecto, pero hay un ´´error´´ que no deja de aparecer, que es que al momento de conectar algunos cables me señala que debo conectar 2 pines que no](https://forum.fritzing.org/uploads/default/original/2X/1/14605e40feec3e004945d4083b5cb1e0f4cd5d85.jpeg)
Hola, estoy haciendo un proyecto, pero hay un ´´error´´ que no deja de aparecer, que es que al momento de conectar algunos cables me señala que debo conectar 2 pines que no
![Download the Fritzing Library from GitHub | Using the Adafruit Library with Fritzing | Adafruit Learning System Download the Fritzing Library from GitHub | Using the Adafruit Library with Fritzing | Adafruit Learning System](https://cdn-learn.adafruit.com/guides/images/000/000/097/medium800/logger.png)
Download the Fritzing Library from GitHub | Using the Adafruit Library with Fritzing | Adafruit Learning System
![Amazon.com : Ardest Reflective Photoelectric Infrared Obstacle Avoidance Sensor IR Detection Module for Arduino Smart Car Robot : Electronics Amazon.com : Ardest Reflective Photoelectric Infrared Obstacle Avoidance Sensor IR Detection Module for Arduino Smart Car Robot : Electronics](https://m.media-amazon.com/images/I/51DI5yVRr7L._AC_SX355_.jpg)