A project using RFID-RC522 module and PIC16F628A to perform access control with RFID Key cards. Adapted from Arduino “AcessControl” software. The PIC16F628A software is written in CCS C to work without SPI hardware. The RFID-RC522 module performs the entire radio frequency communication process (13.56 Mhz) with RFID tags. An RFID tag is an electronic tag…
Voltage adjustment from 0.1V to 25V with “+” and “-” buttons; When the “+” and “-” buttons are held down, a slow change begins at 0.1V, after 2 seconds the change accelerates. Min. for 3A version of current limit. Min. for 150mA and 10A version. Setting it to 500mA; The current mode is selected by…
I tested another combination lock circuit. The function of the system is to receive the signals from the infrared receiver and compare them with the values previously stored in the EEprom of the PIC12F675. After receiving the 4-digit password, it compares the lock activation output and outputs. To set the password, simply press the ‘Prog’…
Automation project using PIC12F675 Microcontroller automatically discharges water with Electrovalve. Infrared light reflection method is used to detect the presence of a person or object. It can be used in automatic urinal flushing or different automation control projects, scenarios. It is important to isolate the infrared receiver and infrared transmitter led from each other. The…
It is a very interesting circuit compared to the combination lock circuits shared before. The heart of the circuit is the button, keypad, etc. for PIC12F675 microcontroller password entry. not used. The system works according to the impacts that occur with the impact. The piezo buzzer converts the magnetic vibrations generated by the beats into…
Flash IC is an audio file playback circuit prepared for high-capacity spi flash memory ICs, known as Bios ICs. The controller of the system is the PIC16F628 microcontroller, the spi flash integrated 25Q64 used for memory was removed from an old computer motherboard. I made the circuit application with 25Q32BV, I removed these integrated from…
5 Channel RF relay control circuit 433mhz RF module set based on PIC12F675 microcontroller IC can be used (I used 434mhz module set, no problem) Depending on the RF module quality and the antenna used, it can remotely control the relay between long distances and can be used for turning on and off various devices…
Electronic combination lock circuit or Combination door automatic LCD, LED Display etc. It is simpler and easier to implement than systems with indicators. User password can be changed with administrator password. The heart of the combination lock circuit is the PIC12F675 microcontroller. For password entry, button or old telephone keypad is used, but I designed…
The speech module made with PIC12F675 24C512 Eeprom and LM386 integrated used to strengthen the voice signal, the voice warning circuit is set up with very little passive material. Warning, security, etc. can be used in projects. Its most common use is an electronic voice alert system to remember the “open door” or any action.…
The combination lock circuit displays the information and settings entered from the keypad built on the PIC18F4620 microcontroller on the LCD screen. All user password information settings are kept in the memory of the PIC18F4620 keypad is connected to the microcontroller via the 74C922 IC. Circuit description; An apartment lock system where the administrator can…