CC1101 is a low-cost sub-1 GHz transceiver designed for very low-power wireless applications. The circuit is mainly intended for the ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency bands at 315,...
A touch keypad is an input device that allows users to interact with electronic devices by touching designated areas on its surface. It typically consists of a panel with sensitive touch sensors beneath, capable...
Microchip Technology manufactures the MCP23017, a popular integrated circuit (IC) frequently utilized to expand the input/output (I/O) capabilities of microcontrollers. This IC provides an easy way to add more digital I/O ports to a...
EEPROM stands for Electrically Erasable Programmable Read-Only Memory. It’s a type of non-volatile memory that can store small amounts of data even when power is removed. EEPROMs are commonly used in applications where persistent...
RGB LED = One LED package with 3 tiny LEDs inside: By controlling the brightness of each LED, we can mix them to create any color (over 16 million combinations). PWM -Pulse width Modulation...
The analog-to-digital converter (ADC) converts the continuous analog signal into a flow of digital values. To achieve this, the converter must establish the rate at which new digital values sample from the analog signal....
LCD stands for Liquid Crystal Display. It’s a type of flat-panel display technology commonly used in TVs, computer monitors, smartphones, and other electronic devices. This work by sandwiching a layer of liquid crystals between...
A 7-segment display is a common electronic display device used to show decimal numbers and some limited characters. It is widely used in embedded systems, digital clocks, electronic meters, calculators, and counters. A 7-segment...
Embedded Interface Button (push-button switch) is one of the simplest and most common input devices used in embedded systems. It allows a user to provide digital input to a microcontroller or microprocessor by pressing...
LED (Light Emitted Diode) Symbol How to Identify the LED’s Positive and Negative Leads ? LED Chemical Substance Summary of LED’s Colors and Common Chemistries Color Wavelength Materials Amber 605-620 nm...
In this article we are discussing Embedded Interface – PCF8574 and PCF8574A I/O Expender. The PCF8574 device provides general-purpose remote I/O expansion for most micro controllersfamilies by way of the I2C interface [serial clock(SCL),...
LCD4 Bit Mode Functions Understanding HD44780 Commands Commands are sent using a function like Lcd4_Cmd() in 4-bit mode, which splits each byte into two nibbles for transmission. Function Explanation a) Clear Screen b) Display...
