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SR6 Alpha Release
🕑 Added 2020-12-24 13:15:06 +0000 UTCHi Guys,
It’s the December release, just in time for Christmas!
This is the Alpha release of SR6. It includes the part STLs and the Arduino sketch for the Romeo.
This release is for those of you who already have a bit of confidence putting OSRs together. As I warned recently, I have not had time yet to produce a set of build plans so I expect you to have fun figuring this out. I included some more images and a parts list in my previous post. Other than that, there are some tips I will share with you here.
The lower four servos are bolted into the base facing outward in the normal way. The upper two servos are mounted from the outside facing inward. You will need to install the pitcher arms onto the servos before mounting them. Also note that there are cut-outs in the lid part to allow the pitcher servo leads to reach the inside of the enclosure.
The arm installation angles are at right angles to the servo, ie parallel to the SR6 base, when the servos are in the default position. That means that if they’re installed correctly they should form a nice straight line when the SR6 starts up. You can fine tune the angles in the Arduino sketch.
The servo pin assignments are listed in the Arduino sketch for Romeo v2 (and v1.1). Simply: pin 8 (or 7) through to pin 13 in order, clockwise from bottom left to bottom right.
The 7x M3x8 bolts are used for mounting the Romeo to the tray and the tray to the enclosure. There is a holder on the tray for the power jack, just like the one on the OSR2. Use a cable tie to hold the jack in place. There is also a hole for an on/off switch.
The arm and link joints are articulated using grommets, just like the OSR2. The main arms are linked to the lower two mount points on the receiver. This arrangement should form two triangles, with the main links sharing the mount point. The pitcher links should spread out to the upper mounts on the receiver. The M4x16 bolts form the joints at the arm end of the links, the M4x25 form the joints at the receiver end of the links.
The “SR6” text on the receiver should face away from the base.
Lastly, I would emphasise caution. This is a brand new and experimental design with a lot more moving parts than the OSR2. These servos are powerful so be careful where you put your fingers, etc. Also I recommend that you don’t leave the machine unattended and powered on, especially if you’re using budget servos. With six it’s a lot more likely that you might have a bad apple.
Hopefully that should be everything you need to get started and build one of these things. I must say I’m particularly looking forward to seeing the build photos on #show-and-tell.
If you’re having issues with your build I recommend getting yourself on the Tempest Discord server for help, especially over the next few days as I don’t expect I will be checking my messages over Christmas.
Good luck, and happy building!
Merry Christmas!
Tempest
(The files are protected with the december password because of an ongoing Patreon security flaw. Check your email. As a $8 patron you should have received the password separately, but feel free to contact me if you have any trouble. The files are also available on my discord server.)
