Tell us about yourself!
Too bad I don't have that material. Or a printer.Anyway, thanks for the suggestion!
Oh yes, absolutely. I wasn't going to use off-the-shelf ones as-is on this project unless it's driving low load.Things I haven't figured out are as follows:1. How to make strong pan/tilt mechanism that does NOT involve sophisticated software magic (AKA Mega-Servo project - Geared servo which turns big wheel exactly like a normal one would, but much bigger and stronger)2. Figuring out how to make 180-degree servos 270 or 360-degree ones if the one I ordered isn't what I expected (supposedly 360-degree ones)3. Reverse Reduction Gear and stabilizationIf you could enlighten me on some or all of those, I would be really happy!
Yes, that hack is included in the diagram as encoder wheel being outside the main gear.My problem is getting the encoder to precisely (or relatively precisely) set the motor position so it doesn't spiral out of control and damage itself. And yes, it needs some clever hack.I can't just stick it somewhere on the shaft itself as it's being occupied by the top half of the turret. Or maybe I can get it to work by inserting it under the shaft itself? Is it possible? Feedback is welcomed.
( Sorry for the terrible drawing, I have some problems with my hand)This is my current build plan. Driving motors are cordless drill motors or high torque motors from other battery powered appliances.Part A only has supporting shaft connection.Gears on B has a gear ratio of 1:1, thus no need for the encoder hack.Gears on C has a gear ratio of 1:4, so every 4 turns on driving gear will turn the bigger gear 1 time. This is exactly why I need the hack, due to the space constraints -- I can't fit 1:1 ratio gear here because it will take up too much space!
3D Printed Animatronic Puppet
Speaking of Bastion, I'm making a 1/8 sized Torbjorn's turret! The problem is, I want it to be strong (so I can mount confetti guns and small air compressor in it) and couldn't figure out how to make pan & tilt mechanism sturdy enough to support all of that.
Candle Powered Pottery Heater
Note: You can use unused analog pins (A0~A6) as extra digital output.
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1. Unless you are using it block specific radio stations, you will be okay. Small, low-power radio transmitters are almost always legal in most countries.
Note: if the problem persists, you might need to replace photosensitive imaging drum!
This could be 48 pin microcontroller of come sort.
Currently removing U2 makes place for a compatible chip.Chip die did not have any identifiable marking on it.
I think U1 is just a generic Hitachi LCD controller -- It has similar layout of components with one transistor in it.
What about the second blob? Could it be the character display controller?If it is, I might be able to kill the IC in question and solder in an adapter, then try to communicate to the second chip.
Going to remove U1, and see if it matches with any of LCD display driver.
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Offline reversing tips:Manufacturers often put Vcc and GND on the very left or right pins of connector, like pin 1 and 2.
Do you have a pinout for HP display shown here? It has 36 pins.Part number: C8413-60153 AX4
For the record:Samsung VHX1610 Fax Display is 16x1 generic LCD display.Older Samsung and LG faxes have metal casing around the display, which still uses 14 pin no-backlight display pinout. Test it with generic LCD tester :)
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