IPCamBot - Digispark, Bluetooth and an IPCam

Projects Showcase
1

Recently finished my latest project. IPCamBot uses a Digispark (ATTiny85 based) paired to a Digispark motor shield to drive 2 modified micro servos mated to a LEGO track drive base. I also used a DX JY-MCU Bluetooth module (others should work too) to link to BTBotControl (an Android app that I custom built). The app allows me to connect to IPCamBot using Bluetoth and control it using the joystick. I also added 4 command buttons for custom actions. For video, I am using an Ai-Ball tiny IPCam that streams over my local network. BTBotControl shows the stream in a viewing window (pic below)

I've got 2x 18650 batteries wired up for this sucker - cause the camera and LED suck a lot of juice from it. The Ai-Ball pulls 300mA itself alone. More details, picture and sample Arduino code for connecting to Bluetooth and parsing string data can be found on my blog - Plastibots.
IPCamBot:

800×568 114 KB

800×696 138 KB

BTBotControl:
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2

Well done! Very small despite the constraints of using LEGO pieces. I'd like to build one and I tried to go to bricklink.com to find the LEGO parts that I need but quickly got overwhelmed. Any tips on finding and buying specific LEGO pieces? Thanks in advance.

3

Thanks for the comments. Oddly, the thought did not cross my mind that someone would want to try to re-build the robot. The parts necessary are pretty straight forward. The tough part is that I did a lot of mods to mount the servos to the rear drive wheels (including drilling out the wheel centre's and gluing). If there is enough interest, I'll see if I can whip up a set of building instructions. For now, the pics on my blog should give a good idea as to what is necessary. It all starts with a 6x12 yellow baseplate.