From 5e92df2bf4b2707da78f7763808583a0dfc568a0 Mon Sep 17 00:00:00 2001 From: blakadder Date: Fri, 17 May 2019 20:56:03 +0200 Subject: [PATCH] Created Sonoff B1 (markdown) --- Sonoff-B1.md | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Sonoff-B1.md diff --git a/Sonoff-B1.md b/Sonoff-B1.md new file mode 100644 index 00000000..aa0c2f7a --- /dev/null +++ b/Sonoff-B1.md @@ -0,0 +1,35 @@ +Sonoff B1 R2 is the replacement for Sonoff B1 and can be programmed the same way as the B1. See [here](https://github.com/arendst/Sonoff-Tasmota/issues/3347#issuecomment-413579744) for more background information. + +## Serial Flashing + +Please see the [Hardware Preparation](https://github.com/arendst/Sonoff-Tasmota/wiki/Hardware-Preparation) page for general instructions. + +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. + + +Sonoff B1 PCB + +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 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. + +**NOTE:** The **B1 R2** needs the GPIO0 connected to the GND pad in the middle of the PCB. Otherwise it won't enter flash mode. + +### LED HEX10 Color Codes +The Sonoff B1 uses a TEN charter HEX code for all colors. +Colors tested with firmware 5.9.1 20171107: +* 00000000A0 = WARM +* 000000A000 = COOL +* 0000A00000 = BLUE +* FF14500000 = PURPLE +* 551A8B0000 = DARK PURPLE +* A300000000 = RED +* 00ff000000 = GREEN + +## Official Sources + +* Itead Product Page: http://sonoff.itead.cc/en/products/residential/sonoff-b1 +* Itead Shop: https://www.itead.cc/sonoff-b1.html +* Itead Wiki: (not available)