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• Electronics | andremiller.net

  I’ve been playing around with the ESP8266 based Sonoff Wireless Smart Switch and I really wanted to upgrade the flash from the 1MB it comes with to 4MB so I can re-program it over wifi. I’ve already g...

• Arduino interface to MPU9250 / MPU9255 gyroscope, accelerometer, and compass | andremiller.net

  This post is a quick introduction to get an MPU9250 gyroscope, accelerometer, and compass module (so called 9 axis) connected and talking to an Arduino. I'm using a 5V Arduino Nano, because the descri...

• Arduino ST7735 SPI 128×160 TFT Display Module | andremiller.net

  A quick guide describing how to hook up an ST7735 128x160 SPI TFT display to your Arduino and get the library to display something. Here is a link to the module you can purchase at BangGood: Smart-Ele...

• Raspberry Pi and Arduino via GPIO UART | andremiller.net

  NOTE: This is an older post, and instead of using a CD4050 it might be easier to use a bi-directional level shifter module. In an attempt to get my Raspberry Pi talking to my Arduino I'm exploring var...

• Programming an ITEAD Sonoff Wireless Smart Switch (ESP8266) | andremiller.net

  How to re-program a Sonoff wireless smart switch from ITEAD, which uses an ESP8266 microcontroller.

• Solderless method to connect ESP-12 module to breadboard | andremiller.net

  The ESP8266 ESP-12 module has a 2mm pitch, making it difficult to use on a breadboard with a 2.54mm pitch. Usually you are required to solder the module to a breakout board first. This is just a quick...