![Computer doesn't recognize Arduino (PWR/L/TX/RX indicator lights are all on) - Project Guidance - Arduino Forum Computer doesn't recognize Arduino (PWR/L/TX/RX indicator lights are all on) - Project Guidance - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/5/d/5/5d54b99678ac7ab30e1c7fe6b0327de164528c06.jpeg)
Computer doesn't recognize Arduino (PWR/L/TX/RX indicator lights are all on) - Project Guidance - Arduino Forum
![adding LED's to Rx/Tx lines of 328 TFQP SMD to show uploading action - General Electronics - Arduino Forum adding LED's to Rx/Tx lines of 328 TFQP SMD to show uploading action - General Electronics - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/d/1/2/d12fa25f236f29533164528e5368aac3c79a02af.png)
adding LED's to Rx/Tx lines of 328 TFQP SMD to show uploading action - General Electronics - Arduino Forum
![how use pin rx tx to on off ( high low ) an relay or led - Installation & Troubleshooting - Arduino Forum how use pin rx tx to on off ( high low ) an relay or led - Installation & Troubleshooting - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/3/4/1/34114f14830fb250300565f526c061b6877964a6.png)
how use pin rx tx to on off ( high low ) an relay or led - Installation & Troubleshooting - Arduino Forum
![resistors - Position of leds in the RX/TX portion of an arduino compatible - Electrical Engineering Stack Exchange resistors - Position of leds in the RX/TX portion of an arduino compatible - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/ebwIA.jpg)
resistors - Position of leds in the RX/TX portion of an arduino compatible - Electrical Engineering Stack Exchange
![Arduino board not detecting and Tx an Rx is ON continous - Installation & Troubleshooting - Arduino Forum Arduino board not detecting and Tx an Rx is ON continous - Installation & Troubleshooting - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/3/8/6/3862490414605eb6eae27abae059d3289e6354ba.jpeg)