===== HARDWARE =====

  * https://esphome-configs.io/devices/
===== ESP8266 =====

  * http://www.gearbest.com/transmitters-receivers-module/pp_366523.html?vip=2072514# NodeMCU
  * https://gearbest.com/transmitters-receivers-module/pp_366523.html?vip=2072514
  * http://www.banggood.com/ESP8266-ESP-12-Remote-Serial-Port-WIFI-Transceiver-Wireless-Module-p-964287.html# SKU188853
  ** 32-bit RISC CPU: Tensilica Xtensa LX106 running at 80 MHz / 64 KiB of instruction RAM, 96 KiB of data RAM

==== WeMos D1 R1 ====

  * https://wiki.wemos.cc/products:d1:d1#
  * http://educ8s.tv/arduino-esp8266-tutorial-first-look-at-the-wemos-d1-arduino-compatible-esp8266-wifi-board/# SbC
==== NODEMCU ====

  * https://iotbytes.wordpress.com/nodemcu-pinout/

{{https://pradeepsinghblog.files.wordpress.com/2016/04/nodemcu_pins.png}}

==== PRODUCT : BASIC ====

  * PcB : RF R2 POWER V1.0
  * https://youtu.be/FxV_zWvxbSE# ST
  * https://community.smartthings.com/t/release-sonoff-sonoff-th-s20-dual-4ch-pow-touch-device-handler-smartapp-5-10-smart-switches/45957
  * https://github.com/BrettSheleski/SmartThingsPublic/tree/master/devicetypes/brettsheleski/tasmota.src
  * https://www.dealabs.com/bons-plans/interrupteur-connecte-wifi-sonoff-basic-1420225# 4EuR
  * https://www.gearbest.com/home-gear/pp_009396204261.html# 6EuR
  * https://www.domo-blog.fr/ajouter-un-bouton-physique-au-sonoff-basic/
  * https://community.smartthings.com/t/sonoff-smart-wifi-switch-integration/112825/16#
  * https://discourse.mozilla.org/t/itead-sonoff-might-be-good-to-consider/25402/24#
  * https://www.youtube.com/watch?v=ZfmG7GK1vW8# IfTtt
  * https://notenoughtech.com/featured/is-it-worth-hacking-sonoff-basic/# EsP
  * https://notenoughtech.com/home-automation/esp/is-it-worth-hacking-sonoff-basic/# BackUp
  * https://youtu.be/HGfmdh4Tz7Y# FlasH
  * https://github.com/arendst/Sonoff-Tasmota/wiki/Commands
  * https://discourse.mozilla.org/t/itead-sonoff-might-be-good-to-consider/25402/9#
  * https://wiki.almeroth.com/doku.php?id=projects:sonoff# ProxY
  * http://www.gd-r.com/en/product-page.aspx?cid=4&id=3# GI-1A-5DH (RelaY) : 5V
  * http://www.gd-r.com/upload/gaodeng/201602180354283126.pdf
  * https://sonoff.itead.cc/en/products/sonoff/sonoff-basic#
  * https://www.instructables.com/id/Sonoff-Basic-Rebuild-to-Low-Voltage-12V/#
  * https://www.dealabs.com/bons-plans/interrupteur-connecte-sans-fil-sonoff-basic-wifi-1521477?page=3#thread-comments # 4EUR
  * https://www.youtube.com/watch?v=8mz5sCAvDAY# SafetY

==== PRODUCT : S26 ====

  * https://fccid.io/2APN5-S26#
  * https://github.com/arendst/Sonoff-Tasmota/issues/2808# TearDown
  * https://github.com/xoseperez/espurna/wiki/Hardware-Itead-S26# UarT MoD
  * https://github.com/arendst/Sonoff-Tasmota/wiki/Sonoff-S26-Smart-Socket#
  * https://www.cnx-software.com/2018/05/21/sonoff-s26-wifi-smart-plug-works-in-all-most-countries-sells-for-under-10/
  * https://community.smartthings.com/t/release-sonoff-sonoff-th-s20-dual-4ch-pow-touch-device-handler-smartapp-5-10-smart-switches/45957/2# SOnOff
  * https://rutg3r.com/sonoff-firmware-tutorial-to-esp-easy/#
  * https://www.itead.cc/wiki/EWeLink_Introduction#
  * http://www.ewelink.cc/en/2017/12/18/how-to-use-ifttt-to-control-ewelink-devices/#
  * https://community.home-assistant.io/t/ewelink-integration-to-use-sonoff/44681#
  * http://blog.nanl.de/2017/05/sonota-flashing-itead-sonoff-devices-via-original-ota-mechanism/#
  * https://blog.ipsumdomus.com/sonoff-switch-complete-hack-without-firmware-upgrade-1b2d6632c01#
  * https://translate.google.com/translate?sl=auto&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2F4pda.ru%2Fforum%2Flofiversion%2Findex.php%3Ft807727-6080.html&edit-text=
  * https://discourse.mozilla.org/t/itead-sonoff-might-be-good-to-consider/25402/18
  * http://support.iteadstudio.com/support/discussions/topics/11000017070#
  * https://github.com/mirko/SonOTA/issues/58
  * https://youtu.be/GbaMF6zfQZU# S20
  * https://hackaday.com/2017/03/27/hacked-iot-switch-gains-i2c-super-powers/#more-249248# I2C
  * http://support.iteadstudio.com/support/solutions/articles/11000061914-how-can-i-downgrade-the-firmware-flash-3rd-party-through-ota-# FirmWare 2.6.0
  * https://www.dealabs.com/bons-plans/prise-connectee-sonoff-s26-plug-eu-type-e-1323777?page=3#comment-20060637
  * https://www.espressif.com/en/products/software/esp-touch/resources# WiFi
  * https://www.espressif.com/sites/default/files/documentation/esp-touch_user_guide_en.pdf
  * https://groups.google.com/forum/#!topic/esp-open-rtos/2FuS-GL-cCE#
  * https://blog.nanl.de/2017/05/sonota-flashing-itead-sonoff-devices-via-original-ota-mechanism/# WiFi
  * https://www.reddit.com/r/sonoff/comments/9q49dq/beware_sonoff_s26_firmware_260_and_ewlinkapk_is/#
  * https://www.jeedom.com/forum/viewtopic.php?t=38670# PoGo
  * https://github.com/arendst/Sonoff-Tasmota/wiki/Esptool#optional-backup-firmware
  * https://github.com/arendst/Sonoff-Tasmota/issues/2808#issuecomment-447185244# FirmWare

==== PRODUCT : ODROID-GO ====

  * https://forum.odroid.com/viewtopic.php?f=158&t=32159# SdCard
  * https://github.com/OtherCrashOverride/go-play/releases#
  * https://github.com/OtherCrashOverride/MicroPython_ESP32_psRAM_LoBo-odroid-go/commit/d2dac9ebbeb710d69962cc8421568a7273fe25dd#
  * https://github.com/Schuemi/c64-go/issues/9# EmU
  * https://github.com/retro-esp32/RetroESP32# EmU


===== ESP32 =====

  * https://bitbucket.org/nuttx/nuttx/src/30acdf5db554ecbb8a1feaa83efd4dd730d45cdf/configs/esp32-core/?at=master # EsP32
  * http://esp32.net/
  * https://youtu.be/ZG3Hj5RctvE?list=PLxJ8_KSR8bp5-F4HVG4QOm4Kt6wQhzsjU# BuY SbC: goouuu-esp32
  * http://www.cnx-software.com/2017/08/18/single-core-esp32-s0wd-datasheet-and-price/#

=== Modules ===

  * https://evola.fr/en/other-boards/856-esp-32s-wi-fi-and-bluetooth-combo-chip.html#

==== HARDWARE ====

  * https://magazine.odroid.com/article/odroid-go-gaming-pack-3rd-party-apps-and-games-download-pack/#
  * https://www.reddit.com/r/OdroidGo/#
  * https://fr.aliexpress.com/item/32957021805.html#

=== boards ===

  * https://whitecatboard.org/whitecat-esp32-n1-board/# LpWan
  * https://wiki.wemos.cc/products:lolin32:lolin32
    * https://fr.aliexpress.com/item/WEMOS-WiFi-Bluetooth-Battery-ESP32-development-tool/32814163663.html

  * https://www.pycom.io/product/lopy/
  * https://www.pycom.io/product/wipy/
  * https://www.pycom.io/product/sipy/
    * http://www.watterott.com/de/Pycom-SiPy# SigFox
    * https://www.adafruit.com/product/3339# LoRa PyCom

  * http://www.cnx-software.com/2017/06/23/gr-lychee-development-board-to-combine-renesas-rza1lu-processor-esp32-module-and-a-vga-camera/
    * http://gadget.renesas.com/ja/product/lychee.html
  * https://www.olimex.com/Products/IoT/ESP32-CoreBoard/
  * https://www.olimex.com/Products/IoT/ESP32-EVB/open-source-hardware
  * https://www.olimex.com/Products/IoT/ESP32-GATEWAY/open-source-hardware
  * https://www.olimex.com/Products/IoT/ESP32-WROVER-KIT/
  * https://www.crowdsupply.com/explore-embedded/hornbill
  * https://www.tindie.com/products/microwavemont/esp32-audio-developing-board-esp32-adb# AudiO
  * https://www.tindie.com/products/microwavemont/esp32-can-can-board# CaN
  * https://www.tindie.com/products/microwavemont/esp32-adb-typer
  * https://www.tindie.com/products/microwavemont/esp32-dev-board-w-full-color-oled
  * https://www.tindie.com/products/microwavemont/esp32-dev-board-with-oled-and-lipo-charger-circuit
  * https://www.tindie.com/products/microwavemont/esp32-monster-board-ether-can-oled-all-in-one
  * https://www.tindie.com/products/microwavemont/esp32-web-radio-audio-bt-receiver-w-class-d-amp
  * https://www.tindie.com/products/ddebeer/esp32-dev-board-wifibluetooth-with-ftdi-/# ESP32

BuY:

  * http://www.electrodragon.com/product/esp32-devkitc/
  * https://www.adafruit.com/product/3405
  * https://www.adafruit.com/product/3269
  * 
  * https://www.adafruit.com/product/3338
  * http://www.alibaba.com/product-detail/Dual-mode-WIFI-Bluetooth-high-performance_60624120470.html
  * http://www.alibaba.com/product-detail/Low-Power-wifi-bluetooth-Consumption-Dual_60627351599.html
  * http://www.alibaba.com/product-detail/nodemcu-ESP32-wifi-bluetooth-Consumption-Dual_60641918122.html
  * http://www.alibaba.com/product-detail/Official-DOIT-ESP32-Development-Board-WiFi_60696844055.html
  * https://www.aliexpress.com/item/ESP32-Development-Board-WiFi-Bluetooth-Ultra-Low-Power-Consumption-Dual-Cores-ESP-32S-Board-NodeMCU-32S/32789782336.html
  * https://www.aliexpress.com/item/Lolin-ESP32-wemos-ESP32-WiFi-Modules-Bluetooth-Dual-ESP-32-ESP-32S-ESP8266/32804853522.html
  * https://www.aliexpress.com/item/ESP-32S-ESP-32-Development-Board-WiFi-Bluetooth-Antenna-Module-2-4GHz-Dual-Core-Ultra-Low/32800274652.html
  * https://www.aliexpress.com/item/Official-DOIT-ESP32-Development-Board-WiFi-Bluetooth-Ultra-Low-Power-Consumption-Dual-Core-ESP-32-ESP/32801621054.html
  * https://www.aliexpress.com/item/1PC-New-Arrival-TTgo-ESP32-WiFi-Bluetooth-4MB-Flash-UNO-D1-R32-Board-Module/32818084685.html
  * https://www.aliexpress.com/item/WEMOS-WiFi-Bluetooth-Battery-ESP32-development-tool/32814163663.html
  * https://www.amazon.com/DIYmall-Development-Bluetooth-Ultra-Low-Consumption/dp/B06XBY1CV9
  * https://www.amazon.com/Makerfocus-DevKit-Development-Bluetooth-Consumption/dp/B06XXT9ZQZ
  * https://www.amazon.com/SparkFun-PID-13907-ESP32-Thing/dp/B01MG9BNEN
  * https://www.analoglamb.com/product/esp-wrover-kit-esp32-wrover-module/
  * https://www.analoglamb.com/product/esp32-development-board/
  * https://www.analoglamb.com/product/esp32-test-fixture-esp32-board
  * https://www.analoglamb.com/product/maple-esp32
  * https://www.arrow.com/de-de/products/lopy/pycom-ltd
  * https://www.arrow.com/de-de/products/sipy14dbm/pycom-ltd
  * https://www.arrow.com/en/products/sipy22dbm/pycom-ltd
  * https://www.arrow.com/de-de/products/wipy2.0/pycom-ltd
  * https://www.banggood.com/ESP32-Test-Board-Small-Batch-Burn-Fixture-Min-System-Development-Board-For-ESP-WROOM-32-ESP-32S-p-1163923.html
  * https://www.banggood.com/ESP32-Development-Board-WiFiBluetooth-Ultra-Low-Power-Consumption-Dual-Cores-ESP-32-ESP-32S-Board-p-1109512.html
  * https://www.banggood.com/ESP32-DevKit-ESP32-WiFiBluetooth-Development-Board-ESP-WROOM-32-Dual-Cores-Board-p-1138249.html
  * https://www.banggood.com/Wemos-Lolin-ESP32-OLED-Module-For-Arduino-ESP32-OLED-WiFi-Bluetooth-Dual-ESP-32-ESP-32S-ESP8266-p-1148119.html
  * https://www.banggood.com/Wemos-Lolin-ESP32-WiFi-Module-Bluetooth-Dual-ESP-32-ESP-32S-ESP8266-p-1148418.html
  * https://www.banggood.com/Wemos-Pro-ESP32-WIFI-Bluetooth-Board-4MB-Flash-p-1164459.html
  * https://www.banggood.com/WeMos-TTgo-ESP32-WiFi-Bluetooth-Board-4MB-Flash-UNO-D1-R32-p-1163967.html
  * https://www.banggood.com/WeMos-WiFi-Bluetooth-Battery-ESP32-Development-Tool-p-1164436.html
  * https://www.dfrobot.com/product-1590.html
  * https://www.digikey.com/product-detail/en/adafruit-industries-llc/3405/1528-2181-ND/7244967
  * https://www.digikey.com/product-detail/en/seeed-technology-co-ltd/109110001/1597-1449-ND/6605593
  * https://www.digikey.com/product-detail/en/olimex-ltd/ESP32-WROVER-KIT/1188-1200-ND/6677308
  * https://www.digikey.com/products/en/rf-if-and-rfid/rf-evaluation-and-development-kits-boards/859
  * https://www.digikey.com/product-detail/en/seeed-technology-co-ltd/109110002/1597-1451-ND/6605595
  * http://www.dx.com/p/geekworm-esp32-wi-fi-bluetooth-development-board-esp-wroom-32-board-462185
  * http://www.dx.com/p/open-smart-esp32s-serial-bluetooth-wi-fi-development-board-w-cp2102-465839
  * http://www.ebay.com/itm/CP2102-ESP32S-ESP32-Develop-Board-2-4GHz-Dual-Core-WiFi-Bluetooth-Module-Antenne-/201959766610
  * http://www.ebay.com/itm/ESP-32S-ESP32-DEVELOPMENT-BOARD-2-4GHZ-DUAL-MODE-WIFI-BLUETOOTH-ANTENNA-MODULE-N-/182626706745
  * http://www.ebay.com/itm/ESP-32-ESP-32S-Development-Board-2-4GHz-Dual-Mode-WiFi-Bluetooth-Antenna-Module-/142320978044
  * http://www.ebay.com/itm/ESP-32S-ESP-32-Development-Board-2-4GHz-Dual-Mode-WiFi-Bluetooth-Antenna-Module-/352009863808
  * http://www.ebay.com/itm/ESP-32S-ESP-32-Development-Board-2-4GHz-Dual-Mode-WiFi-Bluetooth-Antenna-Module-/282403956855
  * http://www.ebay.com/itm/ESP-32-ESP-32S-Development-Board-2-4GHz-Dual-Mode-WiFi-Bluetooth-Antenna-Module-/311829112002
  * http://www.ebay.com/itm/ESP-32S-ESP32-Development-Board-2-4GHz-Dual-Mode-WiFi-Bluetooth-Antenna-Module-/253023065174
  * http://www.ebay.com/itm/ESP-WROOM-32-ESP32-ESP-32-Wemos-ESP8266-WIFI-BT-Dual-Mode-Develope-Board-/201898587114
  * http://www.ebay.com/itm/ESP-WROOM-32-ESP32-ESP-32-Wemos-ESP8266-WIFI-BT-Dual-Mode-Develope-Board-/302289940465
  * http://www.ebay.com/itm/ESP32-Develop-Board-WiFi-Bluetooth-Dual-Core-Mode-ESP-32S-NodeMCU-Lua-2-4GHz-/401351328336
  * http://www.ebay.com/itm/WEMOS-LOLIN32-V1-0-0-wifi-bluetooth-board-based-ESP-32-4MB-FLASH-/112456925434
  * https://eckstein-shop.de/D-duino-32-ESP32-ESP-WROOM-32-096OLED-Display-WiFi-Bluetooth-Module-IOT-Arduino-NodeMCU_1
  * https://eckstein-shop.de/ESP32-Entwicklungsboard-Widora-AIR-V50-Nodemcu-WIFI-Bluetooth-IOT-Module-mit-on-board-Antenna
  * https://eckstein-shop.de/HIMALAYA-ESP32-Dev-Board-WiFi-Bluetooth-CP2102-USB-to-Serial-mit-LiPo-charger
  * https://eckstein-shop.de/Pycom-LoPy-ESP32-LoRa-Wifi-and-Bluetooth-IoT-Development-board-MicroPython
  * https://eckstein-shop.de/Pycom-SiPy-Espressif-ESP32-Sigfox-WiFi-Bluetooth-MicroPython-IoT-development-board-14dBm
  * https://eckstein-shop.de/X-32-ESP-WROOM-32-WiFi-Bluetooth-Development-Board-IOT-Tiny-NodeMCU-Arduino-ESP32_1
  * https://www.espressif.com/en/products/hardware/esp-wrover-kit/overview
  * https://www.espressif.com/en/products/hardware/esp32-devkitc/overview
  * https://www.fabtolab.com/boards/ESP32-Boards/wemos-lolin32-v1-0-0
  * https://www.indiegogo.com/projects/matrix-voice-open-source-voice-platform-for-all#/
  * http://www2.mouser.com/ProductDetail/Adafruit/3320/?qs=sGAEpiMZZMtRKYjLzIsEJWcNANnSIXIDYHKLwRqEx9M%3d
  * http://www2.mouser.com/ProductDetail/SparkFun-Electronics/DEV-13907/?qs=%2fha2pyFaduhinf7GTK6Rfpvg9HxNubkiYArCDR6Ss91egHdMSNmEmw%3d%3d
  * https://www.protocentral.com/kalam-iot/1156-protocentral-kalam32-dev-esp32-wi-fi-and-bluetooth-iot-platform.html
  * https://gadget.renesas.com/ja/product/lychee.html
  * https://www.seeedstudio.com/WiPy-2.0-p-2786.html
  * https://www.sparkfun.com/products/13907
  * http://www.sunduino.pl/wordpress/esp-wroom-32-czesc-4-esp32-sunduino/
  * https://www.tindie.com/products/ddebeer/esp32-dev-board-wifibluetooth-with-ftdi-
  * https://www.tindie.com/products/onehorse/esp32-development-board
  * https://www.tindie.com/products/ICStation/esp32-t-wifi-iot-esp32-module-suit11051
  * https://www.tindie.com/products/kilobyte/esp32-wroom-32-dev-module--breakout
  * https://www.tindie.com/products/aprbrother/espea32-esp32-dev-board
  * https://www.tindie.com/products/analoglamb/esp32-development-board-with-cp2102-usb-to-uart
  * https://www.tindie.com/products/analoglamb/maple-esp32---esp32-board-with-micro-sd-interface
  * https://www.tindie.com/products/lspoplove/pocket-32-esp3218650-
  * https://www.tindie.com/products/lspoplove/x-32-a-wifi-and-bluetooth-development-board
  * https://www.tindie.com/products/lspoplove/d-duino-32-v2arduino-and-node32-and-esp32-and-096oled
  * http://www.watterott.com/de/ESP-WROOM32-Breakout
  * http://www.watterott.com/de/Espressif-ESP32-Core-Board-V2
  * http://www.watterott.com/de/Pycom-LoPy
  * http://www.watterott.com/de/Pycom-WiPy-v2
  * https://whitecatboard.org/whitecat-esp32-n1-board/
  * https://www.banggood.com/10000M-SX1278-Wireless-Transceiver-Module-LoRa-Long-Range-RF-Data-Transmission-p-1181808.html# LoRa RadiO
  * https://www.banggood.com/ESP32-Development-Board-WiFiBluetooth-Ultra-Low-Power-Consumption-Dual-Cores-ESP-32-ESP-32S-Board-p-1109512.html?p=P514146481305201609J#
  * https://www.banggood.com/Wemos-TTGO-LORA-SX1278-ESP32-0_96OLED-16-Mt-Bytes-128-Mt-bit-433Mhz-For-Arduino-p-1205930.html?p=P514146481305201609J# LoRa


==== Links ====

  * https://www.kickstarter.com/projects/1818505613/codey-rocky-your-new-coding-companion#
  * http://mp.weixin.qq.com/s/tQHBHZYPhQxspacFsVOQ4g#
  * https://media.ccc.de/v/38c3-liberating-wi-fi-on-the-esp32#


===== SOFTWARE ======

  * https://github.com/espressif/ESP8266_RTOS_SDK# RtOs
  * https://github.com/DIY-smart-home/diy-smart-home-esp8266# IoT
  * https://lists.riot-os.org/pipermail/devel/2016-February/003400.html
  * https://beta.groups.yahoo.com/neo/groups/nuttx/conversations/topics/12028
  * https://youtu.be/ntYJ5TErJLk# ESP8266 Basic Interpreter from ESP8266basic.com
  * https://bitbucket.org/nuttx/nuttx/src/master/configs/esp32-core/README.txt
  * https://www.cnx-software.com/2017/10/16/esp32-micropython-tutorials/# PythoN
  * https://github.com/xoseperez/espurna# OpenSource
  * https://github.com/xoseperez/espurna/wiki/RESTAPI ResT
  * https://github.com/itead/Sonoff_Devices_DIY_Tools

UsB:

  * https://hackaday.com/2016/09/03/software-usb-on-the-esp8266/
  * https://github.com/cnlohr/espusb
  * https://github.com/jeelabs/esp-link
  * http://www.instructables.com/id/Serial-Port-Over-WiFi/
  * https://hackaday.io/project/20206-wireless-usb-for-instant-iot
  * https://openhomeautomation.net/esp8266-battery# ApI DeepSleep PowerManagement

===== HardWare =====

  * https://www.cnx-software.com/2018/10/30/shelly-ht-battery-powered-esp8266-wifi-temperature-humidity-sensor/# #EsP #SensoR
  * https://esphome.io/#devices


===== MISC / WIFI ====

  * https://esp32-open-mac.be/posts/0005-the-road-ahead/
  * https://medium.com/@tomac/deauthentication-attack-and-other-wifi-hacks-using-an-esp8266-module-14f9142b063d# WiFi


===== MISC =====

  * http://www.instructables.com/id/Using-the-ESP8266-module/# EsP
  * http://www.instructables.com/id/Programming-the-WeMos-Using-Arduino-SoftwareIDE/?ALLSTEPS
  * http://arduino.esp8266.com/stable/package_esp8266com_index.json

  * http://www.esp8266.com/wiki/doku.php?id=getting-started-with-the-esp8266
  * https://github.com/plerup/makeEspArduino
  * https://github.com/SmingHub/Sming

  * http://www.esp8266.com/wiki/doku.php?id=esp8266-module-family#
  * https://openhomeautomation.net/cloud-temperature-logger-esp8266/
  * http://www.espruino.com/ESP8266
  * http://neilkolban.com/tech/esp8266/# BooK
  * ESP12 have 4MB or 4Mb ?

  * https://www.youtube.com/playlist?list=PLd73yQk5Fd8JEsVD-lhwYRQKVu6glfDa8
  * https://www.sistemasorp.es/2014/11/11/programando-un-arduino-remotamente-con-el-modulo-esp8266/
  * http://www.cnx-software.com/2017/03/08/need-to-program-many-esp8266-modules-this-wemos-d1-mini-based-pogo-jig-programming-board-might-be-useful/

  * https://github.com/DoNck/esp8266-aptime# SoftWare
  * https://arduino-esp8266.readthedocs.io/en/latest/# DoC
  * http://randomnerdtutorials.com/esp8266-adc-reading-analog-values-with-nodemcu/# AnaloG : its input voltage range is 0 to 3.3V 
  * https://github.com/Ebiroll/qemu_esp32# 
  * https://www.esp32.com/viewtopic.php?t=704#
  * https://www.dealabs.com/bons-plans/prise-connectee-et-programmable-houzetek-swa1-plug-fr-compatible-android-ios-et-alexa-1203354
  * https://github.com/arendst/Sonoff-Tasmota#
  * http://mg.lol/blog/omg-cable/# UsB
  * https://tinygo.org/compiler-internals/microcontrollers/# GoLang Programming Lang


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