Minitankpi: Difference between revisions

Latest revision as of 15:07, 27 December 2020

Minitankpi

Participants	User:buzz
Skills	Raspberry pi, 3D Printing, Mechanics
Status	In progress
Niche	Unknown
Purpose	Unknown
Tool	No
Location
Cost
Tool category

Minitankpi

5 - 5LfRRG3.jpg {{#if:No | [[Tool Owner::{{{ProjectParticipants}}} | }} {{#if:No | [[Tool Cost::{{{Cost}}} | }}

I loved the Zerobot Pro Tank so much that i've printed one.

https://thingiverse.datux.nl/thing:4041063

Build log

Had some videos i never linked from this page :

--buZz (talk) 15:07, 27 December 2020 (CET)

Wrote some code!

For the Teensy ; https://gist.github.com/buzztiaan/7a10806c974db5884cf62acdf7cc2849

For the Pi ; https://gist.github.com/buzztiaan/dc600e571a6332caae1f5952dfbd046b

This now works well, and i can drive around the hackerspace remotely :D

--buZz (talk) 12:04, 27 February 2020 (CET)

Received the motors, so built everything up.

--buZz (talk) 19:07, 20 February 2020 (CET)

Vitamins

Raspberry Pi Zero W
https://thepihut.com/products/zerocam-fisheye-camera-for-raspberry-pi-zero
16GB microSD

Teensy 2.0 board
MPU6050 breakout board (i2c)
HMC5883 breakout board (i2c)

2x White 8000mcd LEDs (TODO)
(some amount) WS2812 or other leds (TODO)
remove unwanted leds (TODO)

2x 18650 in parallel config
2x DCDC boost converters , one 5V for pi & teensy , one 6.2v for motors

simple microUSB 1A charger board

Setup

Planned software setup ;

https://www.ros.org/
https://github.com/alansrobotlab/rospberrypi - Everything you need to set up ROS Melodic on the Raspberry Pi Zero / W (gives errors on latest stretch images)
https://github.com/SamSpaulding/ros_raspberry_pi_zero - seems to compile most of it from source, viable option?

https://github.com/richardghirst/PiBits/tree/master/MPU6050-Pi-Demo

Something for sending 4 PWM signals to the DRV8833 (arduino pro mini? teensy? bit overkill .. )

https://oscarliang.com/raspberry-pi-and-arduino-connected-serial-gpio/

Or connect the DRV8833 to Pi directly?

https://forum.pololu.com/t/drv8833-motor-runs-unwantedly-upon-battery-connection/8155

Beyond camera and 6dof no other sensors for now. Some kind of external brain ros instance aswell? LXC?

http://www.ti.com/lit/ds/symlink/drv8833.pdf

@@ Line 2: / Line 2: @@
 |Name=Minitankpi
 |Skills=Raspberry pi, 3D Printing, Mechanics,
-|Status=Getting parts
+|Status=In progress
 |Niche=Unknown
 |Purpose=Unknown
-|Picture=Zerobotprotank parts.jpeg
+|Picture=5 - 5LfRRG3.jpg
 |Tool=No
 }}
 I loved the Zerobot Pro Tank so much that i've printed one.
+[[File:Minitankpi-Langsrij.gif|400px]]
+<gallery>
+Image:1 - oDsjNxm.jpg
+Image:2 - EvcCneN.jpg
+Image:3 - XYOUi0C.jpg
+Image:4 - 45Vodf7.jpg
+Image:5 - 5LfRRG3.jpg
+Zerobotprotank parts.jpeg
+Minitankpi-daughterboard.JPG
+Minitankpi-daughterboard-annotated.jpg
+Minitankpi-daughterboard-underside.jpg
+Minitankpi-mainboard-and-power.jpg
+Minitankpi-mainboard-and-power-annotated.jpg
+Minitankpi-schematics.jpg
+</gallery>
 * https://thingiverse.datux.nl/thing:4041063
+== Build log ==
+Had some videos i never linked from this page :
+* https://www.youtube.com/watch?v=EL4zAS83QmI
+* https://www.youtube.com/watch?v=0uRZylncWfc
+--[[User:Buzz|buZz]] ([[User talk:Buzz|talk]]) 15:07, 27 December 2020 (CET)
+Wrote some code!
+For the Teensy ; https://gist.github.com/buzztiaan/7a10806c974db5884cf62acdf7cc2849
+For the Pi ; https://gist.github.com/buzztiaan/dc600e571a6332caae1f5952dfbd046b
+This now works well, and i can drive around the hackerspace remotely :D
+--[[User:Buzz|buZz]] ([[User talk:Buzz|talk]]) 12:04, 27 February 2020 (CET)
+Received the motors, so built everything up.
+--[[User:Buzz|buZz]] ([[User talk:Buzz|talk]]) 19:07, 20 February 2020 (CET)
 == Vitamins ==
@@ Line 21: / Line 66: @@
 * https://thepihut.com/products/zerocam-fisheye-camera-for-raspberry-pi-zero
 * 16GB microSD
-* MPU6050 breakout board
+* Teensy 2.0 board
+* MPU6050 breakout board (i2c)
+* HMC5883 breakout board (i2c)
-* 2x White 8000mcd LEDs
-* (some amount) WS2812 or other leds
+* 2x White 8000mcd LEDs (TODO)
+* (some amount) WS2812 or other leds (TODO)
+* remove unwanted leds (TODO)
-* 2x 18650
-* 1 or 2x DCDC boost converters
+* 2x 18650 in parallel config
+* 2x DCDC boost converters , one 5V for pi & teensy , one 6.2v for motors
-* some charging solution that i havent decided on
+* simple microUSB 1A charger board
-* wires?
 == Setup ==
@@ Line 42: / Line 88: @@
 * https://www.ros.org/
-* https://github.com/alansrobotlab/rospberrypi    - Everything you need to set up ROS Melodic on the Raspberry Pi Zero / W
+* https://github.com/alansrobotlab/rospberrypi    - Everything you need to set up ROS Melodic on the Raspberry Pi Zero / W (gives errors on latest stretch images)
+* https://github.com/SamSpaulding/ros_raspberry_pi_zero - seems to compile most of it from source, viable option?
 * https://github.com/richardghirst/PiBits/tree/master/MPU6050-Pi-Demo
 Something for sending 4 PWM signals to the DRV8833 (arduino pro mini? teensy? bit overkill .. )
+* https://oscarliang.com/raspberry-pi-and-arduino-connected-serial-gpio/
+Or connect the DRV8833 to Pi directly?
+* https://forum.pololu.com/t/drv8833-motor-runs-unwantedly-upon-battery-connection/8155
 Beyond camera and 6dof no other sensors for now. Some kind of external brain ros instance aswell? LXC?
+* http://www.ti.com/lit/ds/symlink/drv8833.pdf