From 146eebb7bc8ac08131e3fbff20c573feedc3ae26 Mon Sep 17 00:00:00 2001 From: h4rm0n1c Date: Thu, 16 Jul 2015 18:02:50 +0800 Subject: [PATCH] Added Note about Pullup and Pulldown resistors. --- doc/README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/doc/README.md b/doc/README.md index 223052958..025ffa802 100644 --- a/doc/README.md +++ b/doc/README.md @@ -247,6 +247,7 @@ ESPxx Hardware - GPIO15 is also named MTDO - Reset is also named RSBT or REST (adding PullUp improves the stability of the Module) - GPIO2 is alternative TX for the boot loader mode + - **Directly connecting a pin to VCC or GND is not a substitute for a PullUp or PullDown resistor, doing this can break upload management and the serial console, instability has also been noted in some cases.** ###### ESP to Serial ![ESP to Serial](https://raw.githubusercontent.com/Links2004/Arduino/esp8266/docs/ESP_to_serial.png)