BS2-IC from PARALLAX >> Specification: BASIC Stamp 2 Microcontroller. Buy Parallax Inc BS2-IC BASIC Stamp 2 Microcontroller, 20MHz, 2 kB EEPROM, Pin PDIP BS2-IC. Browse our latest microcontrollers offers. Free Next Day. The Parallax BS2-IC BASIC Stamp 2 serves as the brains inside of electronics projects and applications that require a programmable microcontroller.

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Parallax BASIC Stamp 2 Module #BS2-IC

All vital components processor, clock source, memory, power regulator are provided on the BS2’s tiny PCB; just connect power and go! Unfortunately, it did not. Small form factor requires very little space Non-volitile memory holds up to instructions even without power PBASIC commands are easy to learn and remember Industrial rated microcnotroller Rev J.

The signal will slowly creep to the left if the clock is fast or to the right if it’s slow. The rest of the wiring would have used pins for the first two cases enable on P0 or P1 and pins in the other cases. A slave can deny access to a master at any part of a write transaction from the master’s perspective or at the beginning of a read request simply by doing nothing, microcontorller of pulling SDA low before the master issues its ninth clock pulse. The slave changes microcontropler state of the data line SDA in blue, just after each clock pulse.

It works fine by presents one design flaw: The BASIC Stamp 2 module serves as the brains inside of electronics projects and applications that require a programmable microcontroller. If Vee is too low, off-pixels are mictocontroller.

BASIC Stamp – Wikipedia

The installation puts a “Basic Stamp Editor v2. The BASIC Stamp 2 serves as the brains inside of electronics projects and applications that require a programmable microcontroller.

The microclntroller sheet says that the oscillator can be trimmed in steps of roughly 0. The microclntroller in the blue “sinewaves” are part of the signal at this point, as will microcontrolper discussed in great detail shortly.


One of them was generating DTMF tones. If the BS2 chooses to overwrite that bit, it better be a zero. The first step is to produce a steady analog voltage from a PWM signal on some other pin. To do that we use the second high-impedance opamp in the IC TL or TL whose first half we’ve already used as an active filter.

That circumstance can hardly happen at all on the SCL line, which most slave don’t even have the circuitry to treat it as anything but an input.

However, this need not be the case for custom characters, especially in applications where the underscore cursor isn’t used. What varies from one LCD to the next are the numbers assigned to the first character of each line. Such filters are typically third-order or better That’s all there is to it Because the optimal “Vee” depends on temperature, it’s somewhat unpredictable and the user should be able to adjust it with a trimmer.

There are legacy serial versions of both units, which we’ll ignore here.

Our Stamps in Class Educational Program was designed with this module, making it a great place to learn about microcontrollers. As a purely analog project, that would be a fairly intricate endeavor, well beyond our current scope. Not supported by Parallax off-site.

Using the BASIC stamp microcontroller from Parallax – Numericana

Many implementations no not follow the official SMB recommendation of pull-up resistors of 14k or more in 5V systems which forces sluggish operations.

The BS2-IC is widely used in educational, hobby, and industrial applications and is strongly recommended for first-time BASIC Stamp users because of plentiful resources documentation, source code, and customer projects that are available online and in print. It’s certainly not necessary to have access to an oscilloscope to use the Stamp. In other words, don’t EVER use the following instruction unless you are absolutely sure that “frame” is even!


At first, we may be satisfied with just one stage and a single capacitor.

Then, we’ll discuss PBASIC software to support that configuration and turn the whole thing into the educational experience it was meant to be. At this point, we can simply pull SDA low to generate a start condition.

Serial baud for mcrocontroller Dimensions: It’s sometimes called a 5×7 font because the bottom microcoontroller is blank in all standard characters to leave room for an underscore cursor. Before I even touched this unit or looked at the online documentation, I had a few fun applications in mind for this initial review. Print Email a friend Feeds.

BS2-IC (Parallax) BASIC Stamp 2 Microcontroller Module

Likewise, a master can end a reading sequence by not pulling SDA low before issuing the ninth pulse. After this, the resulting standalone device deserves an enclosure and a name: The charge on the capacitor has essentially nowhere to go when the microcontroller pin is in its high-impedance state.

So, we have a constant voltage at the output of the operational amplifier which will take a very long time to decay Don’t even think of allowing the BS2 to share an I2C bus with other masters or with slaves that can “hold the clock”. The logical state of either line is thus high by default and becomes “0” vs2 when it’s actively pulled to ground by a conducting transistor.

We dedicate a pin to properly trigger a Rigol DSE oscilloscope: Before you connect your board: The DS will therefore microcontrolleg on the first day of March in, ,