22932 Results for "《〈 문의 OIO↗5793↗7458 》〉 셔츠룸후기た《〈 문의 OIO↗5793↗7458 》〉 ⑷plenty㎋셔츠룸후기셔츠룸후기んteeth 셔츠룸후기선릉셔츠룸 강남셔츠룸￦셔츠룸ⓤsilverⓞ"

Putting all thogether
Log from Mini WiFi/BLE 4WD robot platform
When the controller and the housing are assembled the wheels can be placed. Therefore the gears with 8 teeth (6 pcs.) and 12 teeth (2 pcs.) need to get equipped with a brass axle. A 3mm brass rod can be used for this and will stick well in to the gears....

Plier stand
Log from How lions etch PC boards
Even better than PC board pliers is a stand for dunking them. Lions always used surface tension to float the boards on the acid, but this should eliminate air bubbles. Helas, the pliers now need a place to put a rubber band & a place to clamp onto the...

proof of concept using Fischertechnik
Log from simple pick-and-place head
To see if the idea works at all I started with a quick build based on Fischertechnik and some hot glue. The small Fischertechnik gear "Riegelscheibe Z20" fits perfectly on the 4mm part of the Luer connector. It is actually a gear with 20 teeth, modulus...

Sprockets
Log from Modular Continuous Track System
Now that I am cranking out the treads at a much faster rate, I need to start looking into testing this design out. That means building a tracked robot. Because my goal is to test out the modularity of the system, I actually want to test out many different...

Down the Rabbit Hole
Log from MPRT - Modified planetary robotics transmission
Optimisation of the Original MPRT So okay, I decided to see if I could optimise the original MPRT. Not a trivial task, but doable with brute force: For each Pressure Angle (PA) from 15 degrees to 25 degrees in steps of 1 degree.For each Diametral Pitch ...

As the gear turns
Log from MultiBot CNC v2
Edit, fixed some bugs with the equations. --- For my rotary project I needed to 3D print a gear that would interface with a toothed timing belt. However when I tried to wing it and make one without doing any real research the belt did not interface...

[M] Hurdle hit for harmonic drive
Log from T^2 Tiles [gd0095]
Yesterday, I was thinking "I know how to model this" and started researching and modelling the new harmonic drive and looking for the components I want to use. I thought 14:1 was a good reduction, and it's coincidental because if I can get over...

[T] New Harmonic Drive Ideas
Log from T^2 Tiles [gd0095]
Looking at the current file, the Tile sticks out of the wall by 140mm. I think it's possible to reduce this to under 100mm. To do this, I need to design an even smaller harmonic drive, yet with high durability, low load displacement (high torsional rigidity)...

Back to design.
Log from Point-to-point SMT Transistor clock.
I spent a few days soldering parts together trying to rearrange the schematic in my head to make building easy.I made plenty of nonworking flip-flops, so I went back to basics.1) Install KiCad2) Enter the schematic of one flip flop3) do a PCB layout...

Last Update
Log from Halloween Candy Mortar
Well it worked well on Halloween. We only had a few groups come by but they all seemed to enjoy it. Several did it multiple times and since we had plenty of candy it wasn't a problem.We left a small bucket for everyone to drop the 35mm film canisters...

First Update
Log from Breadboard Test Leads - Rev2
I ordered some samples of the components that will be used in Rev2. They will arrive in about 1-2 weeks.The current price point for Rev2 is around $14.With the current timeline, Rev2 could be in production around mid-August or early-September. I plan...

All systems are nominal
Log from LoRa darkStar
Finally, the timer chip and associated logic gates are working at all time intervals right across the full range. The timer and logic circuit is shown in the photo above and occupies a footprint of 20 x 15 mm. There's plenty of opportunity for a bit...

Frame
Log from SNOWBYTE
The frame is made with aluminum linear rails cut to the following dimensions. This offers plenty of space for housing all the electronics like the motors, powersupply and the microcontroller+control circuits. I also picked such dimensions because...

1) Mechanics
Log from Scribing Robot
SHOULDER and ELBOW The 2 main articulations (shoulder and elbow) are equipped with stepper motors. The transmission uses toothed belts and their pulleys. These 2 articulations are very rigid. They are made with 3mm aluminium sheet, and braces made with...

Transmission test
Log from FilaMecanum
Ran into some issues with my transmission. After assembly and during some initial testing it became obvious something was amiss. Well, a couple things. First it was loud. Way louder than the original. This was traced down to a...

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