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Monthly Archive for: ‘December, 2013’

Bluetooth Audio BLK-MD-SPK-B Eagle Library

Bt Audio Eagle Banner

I bought this bluetooth audio module called the BLK-MD-SPK-B from ebay and couldn’t find any eagle library for it. So I’ve made one on my own and would like to share it to anyone who needs it.

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HC-SR04 Ultrasonic Sensor on PIC

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HC-SR04 is a very common ultrasonic sensor and it is normally found in Arduino kits or projects. The library for this sensor is widely available for the Arduino platform but not for PIC. I’ve been asked to help to write a simple PIC code to interface with the ultrasonic sensor. It’s actually very simple by referring to the timing diagram. …

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Bluetooth Mini Robot

Bluetooth Mini Robot Banner

Got another new robot kit and decided to create a bluetooth controlled robot with it. It’s from DFRobot and it’s called the MiniQ. Here it is assembled. Created a simple circuit on a donut board with a L293 H-Bridge and Arduino Nano. It is powered by a 2 cell Lithium Polymer battery. Typically each cell provides 3.7V so that amounts …

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