From ab03a267a19c0714c3258e1ee5e0d4a7756db244 Mon Sep 17 00:00:00 2001 From: Markus Sattler Date: Wed, 3 Jun 2015 19:32:44 +0200 Subject: [PATCH] add some infos to Serial Adapter --- README.md | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/README.md b/README.md index a916b8f3a..84d2f7ccb 100644 --- a/README.md +++ b/README.md @@ -208,6 +208,21 @@ For stable use of the ESP8266 a power supply with 3V3 and >= 250mA is required. * Note - using Power from USB to Serial is may unstable, they not deliver enough current. +#### Serial Adapter #### + +There are many different USB to Serial adapters / boards. + +* Note + - for full upload management you need RTS and DTR + - the chip need to have 3V3 TTL (5V may damage the chip) + - not all board have all pins of the ICs as breakout (check before order) + - CTS and DSR are not useful for upload (they are Inputs) + +* Working ICs + - FT232RL + - CP2102 + - may others (drop a comment) + #### Minimal hardware Setup for Bootloading and usage #### ESPxx Hardware