Never Lose Your Round Flexible Cable Again > 자유게시판

As I discussed above, the TI-85 makes use of the identical simple 10-bit communication protocol for both circuits. The TI-85 makes use of the identical simple 10-bit communication protocol for each circuits. Uses less chips and thus less power. Also, Radio Shack sells the 74HCT00 sequence chips now, so, use those, and you can get all of the components there. It doesn't use a transistor amplifier, but it surely should produce sufficient sound. Connect the other speaker wire to the collector of the transistor. The transistor alone drains huge energy and makes the speaker rattle an excessive amount of, so the variable resistor acts as each a current limiter and a volume control. I then made a slot at the tip for the amount knob to fit through. Then join pins 1 and four with a jumper wire. First, connect the resistor between pins 6 and 7. Connect a wire from pin 6 to the data pin (high, proper from solder aspect of connector). Connect the plus aspect of the speaker to one of the skin pins of the variable resistor. In any given transmission of information, the first bit despatched is low (logic level zero), adopted by a excessive (logic degree one) bit. Since the data is already on the outputs of the primary shift register, that is all that is critical for the output of the AND gate to go excessive; if there was a set bit (high) in our data, the corresponding output of our first 74164 is high--so is the second input of the AND gate when the transmission is full.

The software program (TEMP.SIT) reads the sensor about twice a second and may run on any TI-85. It is also essential to know that the ninth output serves a second objective: to "allow" the AND gates. If you are a DJ and you know a bit of about electronics, Build ONE! I recomend this design for only one chip sensors. I recomend this design for temp sensors that require more than one chip sensor. I recomend this one as a result of it will not crash your calc and will not dim your display screen. Its schematic (I feel) is less complicated to read, and its principle of operation is a bit easier to know, primarily as a result of about half the logic is handled by one chip. This is essential to the proper operation of our circuit. First it is critical to understand the operation of an AND gate. It is not till the 2nd bit in our transmission (high) reaches the 9th output of the shift register that the outputs of the AND gates can change--one input of every AND gate is related to this output. As the information is loaded, the first input of our AND gates will change; nevertheless the outputs cannot change since the 9th output of our shift register remains to be low.

However, when the 2nd bit (high) reaches the ninth output of the shift register, the clock enter on the latch is pulled high, inflicting the info in the shift register to be "saved" in the latches. As the info is entered into the shift registers, the outputs of the latches do not change. Now the outputs of the shift registers could be changed without affecting the outputs of the latches. Output just isn't fastened; all outputs will go low while shift registers are being updated. This is particularly necessary as new knowledge is being transferred into the shift registers. This model additionally allows you to ship the data within the Sequence Editor from the primary display in much the identical manner that the Direct Comms or Startup data can be despatched! From this menu, you too can view the important thing assignments for the primary Screen and Sequence Editor, in addition to edit a sequence.

It causes the lights to stay lit for a very short time every time the sequence step is superior. Strobe The Sequence Editor has been redone and is (evidently) simpler to use. Explination of the built-in Special Effects: Strobe - The strobe effect is a classic. Strobe The best yet! SPinTerface Modifications by Richard Piotter. The SF Expander cartridge was created by me, Richard Piotter. It's possible you'll need to let a drop or two of tremendous glue fall into the cartridge to hold the chip down. It takes time for the temp to go down, and it may not even go all the way down as a result of the sensor might not have direct contact. Don't pull them down too low, although; you may shorten the life of the LEDs, and possibly (unlikely since it's solely a 5 volt circuit) fry the resistors. I'm using a 12 volt AC provide (you may need to make use of an AC provide, so the SCRs won't latch on), and mine are 1/four watt 180 ohm resistors. 8 Resistors The values of the resistors are flexible.