LCD RGB KEYPAD For RPi

LCD RGB KEYPAD For RPi

Features I2C Interface (Address: 0x20) LCD 16x2 Characters 5 Buttons 1 RGB LED Uses MCP23017 Setup Activate I2C on Raspberry PI (raspi-config -> Advanced Options -> I2C -> Yes) Install the required packages: sudo apt install python-dev i2c-tools git clone https://github.com/adafruit/Adafruit_Python_CharLCD cd Adafruit_Python_CharLCD sudo python setup.py install Run the demo: python examples/char_lcd_plate.py Links Adafruit 16x2 Character …

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RPI PCD8544 Shield V3.1

RPI PCD8544 Shield V3.1

Features 84x48 pixels matrix LCD Uses PCD8544 Color: Monochrome Backlight: White Pinout GPIO0 - CLK - 17 GPIO1 - DIN - 18 GPIO2 - D/C - 27 GPIO3 - CS - 22 GPIO4 - RESET - 23 Setup for Python Using Adafruit Python libraries: Install the required packages: git clone https://github.com/adafruit/Adafruit_Python_GPIO.git cd Adafruit_Python_GPIO sudo python setup.py install sudo apt install python-dev python-imaging git …

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AVR Optimizations

In the world of microcontrollers and unlike the world of computers, resources are scarce and any optimizations that can be made are very useful. In this article we will cover some of the various optimizations that can be made so that the final code loaded in the micro-controller is smaller and potentially faster. I will focus on the optimization that …

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