— Single Op Amp
— Dual Op Amp
— Quad Op Amp
— 555 timer
— LM393 comparator
— LM339 comparator
— Not gate
— Nand gate 2x4 in / 2 out
— Nand gate 2x4 in / 4 out
— Nand gate 2x4 in / 4 out with pull up resistors
— Nor gate 2x4 in / 4 out
Birch plywood box with Vieux Chêne and Shellac finish
Could you please share some details about the matte black surface behind the components? I suppose you had to lay that down before soldering components?
Also, where did you get the box from? It looks like it has led an interesting life.
This looks cool, can you talk a little bit about how the tests for each chip are performed, and maybe the circumstances where you want to test these chips?
It all started because i savage all kinds of electronic parts in order to build what i like and need.
During the removal of the IC's many do not survive, so i needed some kind of tester to have in hand for (at that time) the most often scraped IC's that i could get.
I build many tools i use, this IC tester box is also part of it and it should be for me aesthetically pleasing and a good wiring and soldering challenge. It was my first "wire track" circuit.
Each test IC type uses typical simple circuit taken from the web in order to try basic functions, like all on/off outputs op amps, 555 as astable, etc. Basically it just tests for possible future use and i know that not all conditions are met for the IC's to work properly as if they were new but i know that i can keep them in stock if tests are passed.
All in all it works great, it's reliable and till today i do not recall to have found an IC tested in this box that was not in good shape for more complex use.
Hope i covered your questions, if not, i'll be happy to answer anything else.
This is not "Vieux Cheine" but "Vieux Chêne", old oak in french.