Does anyone here know anything about the company that makes kinatechnics vises? Google isn't saying much. All i could find was Marshall Group Kinatechnics 336 Los Coches St. Milpitas, CA 95035 (408) 942-4710 I need to get a new pair of jaw covers for my kinatechnics vise, so any help...

Can anyone look over this pcb and see if it will do what I think it does? The bottom right of the board is incomplete; it'll be used for up/down counters and stuff for an encoder. I was wondering if there are any problems with the analog section of the board, or if there were anyways for the...

There are koa speer 1% resistors at $.03 each at mouser here. This seems like a really good deal, but I may be missing something. From the datasheets, the only difference I could find between those and their $.16 brothers was the "TCR" is 100 vs. 50 in the 16 cent ones. I'm not too sure what TCR...

My plans for the attenuator: 256 position encoder to control volume up/down. 20 bit counter that goes up and down based on pulses from encoder and direction of rotation.* 20 bit counter feeds parallel eprom which has 720 binary values in a roughly exponential sequence. Values from eprom turn...

I going to building a PPA in January (right after college apps are done), so I'm planning and buying parts right now. I have some questions, and any help with them would be greatly appreciated. Tentative Parts List: Hammond Case 12-17 AA rechargeable batteries OPA637 left and right OPA627...