By Daniel P. Siewiorek, C. Gordon Bell, Allen Newell
Read or Download Computer Structures: Readings and Examples (McGraw-Hill computer science series) PDF
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Additional info for Computer Structures: Readings and Examples (McGraw-Hill computer science series)
On the ESP8266 board, we can use PWM pins 0, 2, 4, 5, 12, 13, 14 and 15 all support PWM. In this chapter, we try to access MicroPython Analog I/O using MicroPython program. There are two scenarios for our cases: Controlling RGB LED Reading Analog input using Potentiometer Let’s start. RGB LED has 4 pins that you can see it on Figure below. To understand these pins, you can see the following Figure. Note: Pin 1: Red Pin 2: Common pin Pin 3: Green Pin 4: Blue Now we can start to build a MicroPython application and hardware implementation.
If succeed, you should see the confirmation. Now you can run by typing these command on WebREPL terminal. run() You should blinking LED. py. py') If your program is still running, please reset your board and then delete the file. GPIO Programming In this chapter I’m going to explain how to work with GPIO on MicroPython. For MicroPython board-based ESP8266, there are available pins: 0, 1, 2, 3, 4, 5, 12, 13, 14, 15, 16, which correspond to the actual GPIO pin numbers of ESP8266 chip. For testing, I used NodeMCU board as MicroPython board.
Let’s start!. 1 Wiring To understand Potentiometer, you see its scheme in Figure below. I use slide potentiometer. Ok, Let’s write these scripts. sleep(2) Save this code. If succeed, you can run the program. run() You should see the output on WebREPL terminal. Working with I2C In this chapter we learn how to work with I2C on MicroPython board. The name TWI was introduced by Atmel and other companies to avoid conflicts with trademark issues related to I²C. I2C bus consists of two wires, SDA (Serial Data Line) and SCL (Serial Clock Line).
Computer Structures: Readings and Examples (McGraw-Hill computer science series) by Daniel P. Siewiorek, C. Gordon Bell, Allen Newell