Electronics

Arduino + Bluetooth

I got to use HC-05 very popular bluetooth serial device, getting it up was pretty simple, also wrote my first android app <...

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3D food printer concept

With the advancement of 3d printers, there is a lot of potential applications in customized foods, I’ve sketched up a pri...

Open Source PCB ruler - Update 2

Finally I received the rulers, they are still panellized, I’ve asked a hardware store to get me a tool to cut it which wi...

Prototyping Theremin

I always wanted to make a theremin, but instead of using capacitors I used a LDR there is no volume control right now, so just ...

Open Soruce PCB ruler-update

After fixing small issues with the pcb , I’ve sent the PCB for manufacturing to SeeedStudio and hopefully will receive i...

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Wish List

Here is my wish list, Stuff from Seeed Studio ...

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2mm headers to 2.5mm header

2mm header (SEO shenanigans) Its a simple hack to use boards with 2mm spacing headers ...

Open Source PCB Ruler

I’ve seen rulers from adafruit and EEV blog but I could not find the source files, so I could atleast print it out for my...

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Antenna Design Paper for low power wireless RF modules

I’ve been working on a project of building wireless sensor network, and the information on the antenna design is very lim...

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Ultra Sonic Distance Measurment

A small project, I got from a client’s client. He need to for some application, what? I don’t know, I just made wha...