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ESP8266 based projects

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Datasheet | RTOS API | RTOS programing guide

ESP-8266 layout Wemos D1 layout

Wemos D1 ESP-8266 Value Function
TX TXD 1 TXD
RX RXD 3 RXD
A0 A0 17 Analog input, max 3.3V input
D0 GPIO16 16 IO
D1 GPIO5 5 IO, SCL
D2 GPIO4 4 IO, SDA
D3 GPIO0 0 IO, 10k Pull-up
D4 GPIO2 2 IO, 10k Pull-up, BUILTIN_LED
D5 GPIO14 14 IO, SCK
D6 GPIO12 12 IO, MISO
D7 GPIO13 13 IO, MOSI
D8 GPIO15 15 IO, 10k Pull-up, SS
G GND - Ground
5V - - 5V
3V3 3.3V - 3.3V
RST RST - Reset
Value Reset cause
0 normal boot
1 hardware watch dog reset
2 exception reset, GPIO status won’t change
3 software watch dog reset, GPIO status won’t change
4 software restart ,system_restart , GPIO status won’t change
5 wake up from deep-sleep
6 external system reset

ESP exception decoder

java -jar ./EspStackTraceDecoder.jar ~/.platformio/packages/toolchain-xtensa/bin/xtensa-lx106-elf-addr2line ./firmware.elf ./stacktrace.txt

ESP erase flash

esptool.py --port <serial-port-of-ESP8266> erase_flash

Setup environment

sudo pip install platformio

Build

./make

SubProjects

Ambi-Light-SamyGO | Decorative-Lights | HID-Emulator | HUE-Emulator | IOT-Template

References

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