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 IDE for Chrome – The installation puts a “Basic Stamp Editor v2.

Using the BASIC stamp microcontroller from Parallax – Numericana

Remember the Y2K millennium bug? The data sheet says that the oscillator can be trimmed in steps of roughly 0. At left is the standard 5×8 matrix font for the HD Overview The BASIC Stamp 2 module serves as the brains inside of microcontgoller projects and applications that require a programmable microcontroller.

A slave mircocontroller 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, instead of pulling SDA low before the master issues its ninth clock pulse.

The minimum purchase order quantity for the product is 1. It is able to control and monitor timers, keypads, motors, sensors, switches, relays, lights, and more. For some obscure reason, the latter solution is more popular than the former. The BASIC Stamp 2 serves as the brains inside of electronics projects and applications that require a programmable microcontroller.

Such filters are typically third-order or better The logical state of either line is thus high by default and becomes “0” only when it’s actively pulled to ground by a conducting transistor. Before you connect your board: At startup, you’re shown one of 36 “tips of the day”. The first step is to produce a steady analog voltage from a PWM signal on some other pin.


The following BS2 program fragment is meant to visualize on the oscilloscope what time is leftover in the worst case It sends an 8-cycle sound burst and measures the time it takes to receive the echo. An I2C slave device must be able of recognize its own address bs22 to respond to a master’s request.

Making the following procedure part of the microcontroller initialization will remedy that micocontroller and put any interrupted interface back to its normal state after every microcontroller reset.

In this section, we’ll complete the process by endowing the unit with a key keypad. In practice, this means that the characters you defined for codes 0,1, This means the clock of the tested LCD unit is a multiple of The signal will slowly creep to the left if the clock is fast or to the right if it’s slow.

The idea will then be to use this in a carefully designed menu system, with or without the feedback of the LCD display. Print Email a friend Feeds. Let’s use an example to design, once and for all, a proper audio output for our microcontroller.

It looks as though the chip is significantly more precise than what’s described in the datasheet, but less adjustable There are legacy serial versions of both units, which we’ll ignore here. Follow the Getting Started steps.

We’ll make our wiring compatible with one of the configurations supported by Parallax in the aforementioned specialized LCD primitives. A master can drive the I2C bus with arbitrarily low speed, so a sluggish microcontroller, like the BS2, can easily be a master of an I2C bus. Because of the above considerations, this is now moot. What varies from one LCD to the next are the numbers assigned to the first character of each line.

BS2-IC (Parallax) BASIC Stamp 2 Microcontroller Module

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 microcontrller. Products New Products Specials! Clearly, the unit could have been designed to combine the output and input functions on a single pin. Our Stamps in Class Educational Program was designed with this module, making it a great place to learn about microcontrollers. That’s all there is to it I don’t recommend that shortcut at all. Unfortunately, it did not.


Pololu – Parallax BASIC Stamp 2 Module #BS2-IC

However, this need not be the case for custom characters, especially in applications where the underscore cursor isn’t used. The DS will therefore fail on the first day of March in, Quantity Add to cart. Ultrasound sensors on SensorWiki: The slave is responsible for issuing an ACK bit after each byte transferred.

So far, we have decoded the PWM digital output from the microccontroller into a good analog signal. It’s certainly not necessary to have access to an oscilloscope to use the Stamp. We’re already halfway into this with the LCD provided above.

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

This is toggled whenever the century changes, to deal with potential bugs at the beginnings of the years, etc. This type of protocal is beyond the scope of this article. For customers that require multi-processing or video generation capabilities, we highly recommend the Propeller microcontroller.