Let's Make Robots!


This is the third prototype of Cosma. It is WIP. Nevertheless I thought I share my progress with you... 1. Shield design Read more
Reports from near space
Using a
July 21, 2013 This is a ultra light weighted version of the Cosma robot, especially trimmed for the weather balloon launch. It just weighs 140 g without the battery … Read more

US English editor needed

For my current project Cosma I need to develope phrases in proper US English, let's say in a range from 1 to 5 (1= acceptable condition, 5 = unbearable):

1. Pain triggered by pressure on skin or muscles

2. Temperature (coldness)

3. Vertical positive acceleration

4. Vertical negative acceleration

5. Pitch, Roll, Yaw

6. Noise

7. Brightness

Here is what I came up:

COSMA's brain

Attached you find the Rev. 0 schematic of COSMA's brain (Eagle). This board connects directly to a FTDI  board. As I need MOSI, MISO and SCK also for the micro SD card, I added solder jumpers, so those pins are not connected to the SD card/voltage level shifter while burning the bootloader on the chip.

The board mainly contains:

- ATMEGA2560