Code Bank

Eagle PCB 1.44 TFT Library

This Eagle library is for 1.44″ Color TFT LCD described in this article https://www.kolkataonweb.com/code-bank/arduino/using-a-1-44-color-lcd-with-arduino-as-a-display/ They are cheap, easily available and also easy to implement. 1.44 TFT SPI Eagle Library

Xtensa Datasheet Full

Xtensa is a configurable processor made by Tensilica. ESP-8266 devices uses Tensilica processor. http://0x04.net/~mwk/doc/xtensa.pdf xtensa datasheet

ESP8266 Boot Process

This article explaind the various Boot Modes of an ESP8266 https://github.com/esp8266/esp8266-wiki/wiki/Boot-Process#esp-boot-modes

ESP8266 Reset Causes and Common Fatal Exception Causes

This article lists the various Reset causes of Esp8266 esp8266 reset causes and common fatal exception causes.pdf Here is a quick list based on Off’s work here http://www.esp8266.com/viewtopic.php?p=2096#p2112 reset causes: 0: 1: normal boot 2: reset pin 3: software reset 4: watchdog reset boot device: 0: 1: ram 3: flash

Arduino and Cayenne using USB

If Cayenne library is not available in your Arduino IDE library list then update your Arduino IDE. The steps for connection and setting up are available in the Cayenne (mydevices.com). After connecting the Arduino using USB, a batch/script file needs to be run on the system, otherwise Cayenne will not be able to connect to… Continue reading Arduino and Cayenne using USB