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- Raspberry Pi Interface Board Design
Jul 14, 2013 @ 9:08pm
- To control everything I am using the Raspberry Pi, running Raspbian. Everything I need that the Raspberry Pi needs to connect to I put on the interface board, and connect it to the Raspberry Pi through a ribbon cable. This connects both SPI and I2C to the interface board (as well as UART, which I will probably use for GPS). These interfaces are used for communication with the Raspberry Pi and the interface board has all the necessary electronics to power the sensors as well as the valves, pump and LEDs which need a large amount of power.
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- Power Supply Development
Jul 12, 2013 @ 10:36pm
- To power the raspberry pi, and sensitive sensors, I need a regulated power supply, but the larger devices like pump, servos, and valves all need a lot of power. The LiPo battery, while rated at 14.8V, can go above it. Wikipedia states that they get up to 4.23V/cell, so my 4 cell battery is 16.92V max. I was uncomfortable with most of the non-RC stuff seeing almost 17V when they were only rated at 12V (40% over spec), so I made a DCDC 17-10V->~12V Power supply, and a very large 5V power supply to power the servos (my searching gave me almost 2A as a spec value for them, and I want 3).
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- RC Submarine project overview
Jul 12, 2013 @ 2:42pm
- I decided to build a remote controlled submarine out of PVC pipe, RC car parts, and a raspberry pi. Initial goals were to act mostly like an RC boat on the surface, and be able to dive autonomously and return video. Total cost as of today is about $1k, though I plan on updating that and keeping an accurate count of things.
- New Site, New Post
Jul 12, 2013 @ 2:26pm
- Welcome to my blog, if you find anything broken at all, or even just ugly please comment below and I'll try to fix it.
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Connects the sensors, servos and other devices to the Raspberry Pi
This is what was used to generate the PCB, and it has problems.
RC battery to 12V/5V Power Supply
Initial mock up of RC submarine
