keypad interfacing with pic16f877a slicker
#PIC16F877A
#keypad
#interfacing
#embedded
#input device
#slicker
#digital logic
#programming
#electronics
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4 digit keypad controlled switch
This is a universal version of the four-digit alarm control keypad. The design has been modified to free up the relay contacts, enabling the circuit to function as a general-purpose switch. A single pole changeover (SPCO) or single pole double...
large dancing robot using pic16f877a microcontroller
Build a large dancing robot. This was intended to be a walking robot, but it ended up moving in a more rhythmic manner. A video is available in the last step.
The project involves the construction of a large dancing robot,...
Sinclair Spectrum128 Keypad
The features accessible through the keypad are detailed in the Spectrum128 Introduction Manual, which was provided with each unit sold. The service manual for the Spectrum128 is intended for repair technicians and outlines the circuitry and communication protocol utilized by...
Four-Digit Keypad-Operated Switch
This is a universal version of the Four-Digit Alarm Keypad. The design of the output section has been modified to free up the relay contacts, allowing the circuit to function as a general-purpose switch. A single-pole changeover (SPCO) or single-pole...
Digital Electronics Education
The goal of Advanced Digital Electronics courses is to connect basic logic gates (combinational circuits) with technical subjects related to binary counter topologies (both Asynchronous and Synchronous), shift registers, memory, and Digital Signal Processors (DSP), which are categorized as sequential...
Keypad Controlled Switch No2 circuit
This is a simplified version of the 4-Digit Keypad Controlled Switch. The design has been modified to reduce the complexity of the circuit and the number of components required. Consequently, the code may be somewhat less secure; however, it should...
Enhanced 4 Digit Alarm Keypad
The Keypad must be the kind with a common terminal and a separate connection for each key. On a 12-key pad, look for 13 terminals. The matrix type with 7 terminals will NOT do. The Alarm is set by pressing...
Enhanced 4 Digit Alarm Keypad
The keypad must be of the type that has a common terminal and a separate connection for each key. For a 12-key pad, there should be a total of 13 terminals. The matrix type with 7 terminals is not suitable....
Voltage Ampere and Temperature meter with PIC16F877A
This project was designed and constructed as enhancement to the 0-30V Stabilized Power Supply Project with the DIY electronics hobbyist in mind. The circuit uses a single PIC Microchip to perform the Voltage, Current and Temperature conversions and display functions....