The NEO 6M from Ublox is a good and affordable GPS module. The characteristics are as follows. It can be purchased with a ceramic antenna from online stores like Ebay or Aliexpress. Unfortunately the one I purchased had a problem with the Antenna connection due to which some time got wasted in trying to get… Continue reading UBLOX NEO 6M GPS Module
Category: Arduino
WS2811, WS2812, NeoPixel RGB Pixels/LEDs and Arduino
WS2811 or WS2812 based LEDs / RGB pixels are cheap and easily available on the online stores. They run off 5 volts and can be addressed individually. Waterproof versions are also available. On Ebay/Aliexpress/Alibaba they are sold as a set of 25 leds / RGB pixels connected together. Multiple such strips/chains can be connected together… Continue reading WS2811, WS2812, NeoPixel RGB Pixels/LEDs and Arduino
LM35 Precision Cheap Temperature Sensor
The LM35 from Texas Instruments is a cheap but very good temperature sensor. It is available in various packages. Please refer to the LM35 Temperature Sensor for package and other details. It can be powered directly from the 5v supply of Arduino. The chip outputs 10.0 mV per °C. Below is a small snippet of… Continue reading LM35 Precision Cheap Temperature Sensor
Logic voltage levels
Interfacing 16×2 LCD with Arduino
The 16×2 LCD is a cheap display that can be used to display text output from an Arduino. Below is the schematic The VO is for setting the contrast (or readability) of the characters. A and K are the LED pins (backlight of the LCD) Arduino has libraries for interfacing with this type of LCDs.… Continue reading Interfacing 16×2 LCD with Arduino