From 8f932d744a623f49b595ee54a7b629f8d7f14a8a Mon Sep 17 00:00:00 2001 From: lobocobra Date: Sat, 2 Sep 2017 01:15:10 +0200 Subject: [PATCH] Added error handling for Sonoff 4CH-pro, if it can not be programed. --- Sonoff-4CH-and-4CH-Pro.md | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Sonoff-4CH-and-4CH-Pro.md b/Sonoff-4CH-and-4CH-Pro.md index 89dc18d3..d45d4def 100644 --- a/Sonoff-4CH-and-4CH-Pro.md +++ b/Sonoff-4CH-and-4CH-Pro.md @@ -43,6 +43,16 @@ Use the ESP programming header as described in the picture to upload the firmwar +## Solving Sonoff 4CHpro programing issues +If you have problems to program the 4CH-pro, you might find below tips useful: +Step1) Ensure right port is set in the Arduino IDE. +Step1) TX/RX are printed correctly on the pro version => TX goes to RX PIN and RX to TX. +Step2) If you use windows7+, check in the device manager if the port is not added/removed all 2 seconds. + => If yes then your USB port does not deliver enough ampere. + => Moving to a Laptop might do the trick. +Step2) Reduce upload speed to 57600 in Arduino IDE. +Step3) Use an active USB HUB if your computer delivers not enough ampere + => External power source will stabilize the 4CH-pro and you can increase upload speed back to 115200. ## Solving OTA and Upload Problems