Comments on: ESP8266 Pinout Reference: Which GPIO pins should you use? https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/ Learn ESP8266, ESP32, Arduino, and Raspberry Pi Sun, 30 Mar 2025 01:54:46 +0000 hourly 1 https://wordpress.org/?v=6.8.2 By: Kokonutcreme https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-1020969 Sun, 30 Mar 2025 01:54:46 +0000 https://randomnerdtutorials.com/?p=84815#comment-1020969 Always good to read rather then watch vids.]]> In reply to Sara Santos.

Two many TBI’s, it’s all coming back to me the more I read. Flashed a deauther after a week but I got there😜 Always good to read rather then watch vids.

]]> By: jeydo https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-1002404 Fri, 24 Jan 2025 13:00:50 +0000 https://randomnerdtutorials.com/?p=84815#comment-1002404 Let me give you something: for ESP01S (esp8266) with Arduino IDE, GPIO3 can be used as output without flickering, being configured as INPUT by default (serial RX). If you really need serial, you can use only TX, using Serial.begin(115200, SERIAL_8N1, SERIAL_TX_ONLY);. The only thing that needs to be added is a pull-up resistor (I have tested with 1k). Now on the oscilloscope the signal is perfect, without flickering in the time range 0 – 150ms (after that setup() will set it according to the user’s needs).

]]> By: irfan https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-1000569 Fri, 17 Jan 2025 04:16:33 +0000 https://randomnerdtutorials.com/?p=84815#comment-1000569 I’m using ESP12-E and ESP-07S I want to use it as SPI Slave that means i need to use GPIO15 for that but this pin is also used in boot mode
I want to know what can i do in such scenario

]]> By: periyasamy https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-896661 Wed, 06 Mar 2024 11:18:07 +0000 https://randomnerdtutorials.com/?p=84815#comment-896661 In reply to Michele.

Yeah.I know the chart card.do you want that .ask me. i will provide you.

]]> By: periyasamy https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-896659 Wed, 06 Mar 2024 11:11:56 +0000 https://randomnerdtutorials.com/?p=84815#comment-896659 In reply to Michele.

yes

]]> By: Sara Santos https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-891489 Thu, 15 Feb 2024 10:34:15 +0000 https://randomnerdtutorials.com/?p=84815#comment-891489 In reply to Bronek.

Thanks.
I’m glad you find it useful.
Regards,
Sara

]]> By: Bronek https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-890079 Sun, 11 Feb 2024 14:12:36 +0000 https://randomnerdtutorials.com/?p=84815#comment-890079 Best esp8266 pinout description on the net!
I lost link to this page and spent 20 minutes today searching for it again 🙂
Thank you Sara!

]]> By: brentson https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-885150 Sat, 20 Jan 2024 09:07:40 +0000 https://randomnerdtutorials.com/?p=84815#comment-885150 what is the intended pin of esp8266 for sim800l evb gsm?GRPS? thanks a lot

]]> By: Sara Santos https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-871571 Sun, 12 Nov 2023 04:14:45 +0000 https://randomnerdtutorials.com/?p=84815#comment-871571 In reply to Júlio Silva.

Obrigada.
Cumprimentos,
Sara

]]> By: Júlio Silva https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/#comment-871211 Fri, 10 Nov 2023 15:25:24 +0000 https://randomnerdtutorials.com/?p=84815#comment-871211 Parabéns, Sara e Rui.
Tudo feito com profissionalismo.
Obrigado.
Júlio Silva

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