Turisar Even though the Sceptre offers lots of peripherals, it only has fifty pins, which means that certain functions are obliged to share pins. Thank you Thank you so much, it was a fantastic job. Some of the projects are almost unbuildable. The other diodes D2, D5, and the other D2 uuni the Sceptre take care of the rest. We opted for male connectors to ensure compatibility with PC serial ports. Just what I was waiting for — brilliant!
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Turisar Even though the Sceptre offers lots of peripherals, it only has fifty pins, which means that certain functions are obliged to share pins. Thank you Thank you so much, it was a fantastic job. Some of the projects are almost unbuildable. The other diodes D2, D5, and the other D2 uuni the Sceptre take care of the rest.
We opted for male connectors to ensure compatibility with PC serial ports. Just what I was waiting for — brilliant! Thanks for the effort it took to get this all together. Note to slektor InterSceptre does not offer a 3.
This terminal strip is opposite a little area with mounting holes where you can fit a few components to create an interface you need. This can be handy where the Sceptre is being powered from a battery. Topics ElektorMagazineCollection.
Not all of the information is current. On the microcontroller side, the four ports are connected to terminal strips that let you choose which will be used with a given COM port. This will save you a bit of money. For applications where no USB connection is possible or necessary, elekfor if more power is needed than can be supplied by a USB port, a 5 V supply is available via the InterSceptre.
These may adversely affect the maximum communication speed possible, so if the whole circuit can run off 3. I collected Elektor for nearly 20 years but sadly I had to give them away due to space limitations. The level shifter used comes from a Philips or NXP application note. Search the history of over billion web pages on the Internet.
The InterSceptre extension board circuit diagram is available in the downloads below. Well, quite a lot, actually: If you use a different microcontroller board without its own battery, a button cell holder is available on the InterSceptre. You can connect a switch to JP9 to let you turn off the Sceptre power. Not to worry even if the switches have been set to the 3. The MIDI port consists of just an input and an output.
Like the Sceptre, InterSceptre is also an open-source, open hardware project. The InterSceptre  The chip itself adds the missing four MSBs, hence its address is xxx, where xxx represents the position of the three switches 0x20 to 0x27 in hex. Each of the signals is protected by a small current-limiting resistor. So what has InterSceptre got to offer? Follow project Add a comment.
The gain is adjusted using turn presets. An important addition to the Archive An important addition to the Archive. One important detail not to be overlooked: Given the number of ports implemented, the circuit is pretty huge, but easy enough to follow.
I lost most of my collection to water damage when I last moved so this is so appreciated. Now I can access them again on-line — how good is that? Elektor Magazine Item Preview. If unity gain is all you need, you can omit these and connect the inverting inputs directly to the outputs.
For please refer to the Sceptre page. The InterSceptre operates from 3. As already mentioned above, the InterSceptre itself does not produce the 3. One minor drawback with the Sceptre is the absence of the battery voltage on the extension connectors — but it does have its own battery. One issue I did retain for posterity was Elektor Book 75 which I could not locate in the English archive listing https: The InterSceptre PCB has been designed to fit into a case which, in addition to providing protection, also lets you use the unit directly within a final application without its looking like a bodge.
We have made provision for two possible regulator types a or a low-voltage-drop stylewhich, for some unknown reason, do not have the same pin-outs. In this way, it is possible to connect a 3. Two other switches offer the possibility of connecting terminating resistors if needed. In this way, InterSceptre has four analogue outputs, available on the way sub-D connector K Detailed description The InterSceptre extension board circuit diagram is available in the downloads below.
Hexadoku June Given that the InterSceptre can operate from 3. So below you can find the Eagle files for the circuit diagram and PCB, the components list. In any case, there are very few applications that would require everything to be used at once. TOP Related.
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Vudal Note that it is highly inadvisable to hot connect or disconnect equipment to this port. During application development, the Sceptre will be connected to a computer via a USB cable connected either directly to the Sceptre, or via the InterSceptre. As already mentioned above, the InterSceptre itself does not produce the 3. This will save you a bit of juhi. The Internet module is powered from 3. If unity gain is all you need, you can omit these and connect the inverting inputs directly to the outputs.
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