HC-05 is a cheap (and easy to use) module that can be used to provide bluetooth connectivity to Arduino. There are cheap breakout boards available on ebay that can be powered directly by the 5v supply of the Arduino. Below is a picture of such a breakout board. Though my board has “level 3.3v” written… Continue reading Arduino – Bluetooth Communication Using HC-05
Month: March 2016
ESP 8266 – ESP 01 – Installing Non-OS SDK
After a bit of trial and error got the Non-OS SDK installed. To flash the Non-OS SDK, two sets of files are needed. Below are the download links ESP8266_NONOS_SDK_V1.5.2_16_01_29 on Expressif site OR from here [AT Release] ESP8266_AT_V0.60 based on ESP8266_NONOS_SDK_V1.5.2 on Expressif Site OR from here The flashing tool is attached here for… Continue reading ESP 8266 – ESP 01 – Installing Non-OS SDK
USB To RS232 convertor drivers
The two most popular USB to RS232 converters are based on either “CH340G” chip or the “PL2303” chip. Below are the drivers (latest as on 02-March-2016) for both. PL2303 CH340G While purchasing, check if the module has the DTR pin or not. It is not a necessity but will be easy to program the Arduino… Continue reading USB To RS232 convertor drivers