From 654e169c4740637084fc3ef23630e069a84d4bfb Mon Sep 17 00:00:00 2001 From: Thomas Dietrich Date: Sat, 16 Sep 2017 01:54:37 +0200 Subject: [PATCH] Updated Sonoff B1 (markdown) --- Sonoff-B1.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Sonoff-B1.md b/Sonoff-B1.md index 6d1e3c9b..279c80c9 100644 --- a/Sonoff-B1.md +++ b/Sonoff-B1.md @@ -9,8 +9,8 @@ Please see the [Hardware Preparation](https://github.com/arendst/Sonoff-Tasmota/ As always, you need to access the serial interface. First pop up the top part of the bulb with controlled force. The PCB as shown in the image will become visible. -The **four serial pins** (3V3, Rx, Tx, GND) as well as the GPIO0 signal line are available as test points and clearly marked. Solder wires to those or use pogo pins as you prefer. - Sonoff B1 PCB +The **four serial pins** (3V3, Rx, Tx, GND) as well as the GPIO0 signal line are available as test points and clearly marked. Solder wires to those or use pogo pins as you prefer. + As with all ESP8266 modules pulling GPIO0 to GND is needed to put the chip in programming mode. You need to **connect GPIO0 and GND** during power up. An additional GND pad is available in the middle of the PCB.