How about a method of automatic identification through radio signals that can bring you security and control the access of people to a certain location? This is possible through radio frequency identification or RFID from the English Radio Frequency Identification. And it is the assembly of this system that I am going to teach you […]
ESP32 With RFID: Access Control Read More »
This little project is an example of a simple audio application using a PIC micro-controller. We decided to use the PIC18F4550 micro-controller for memory purposes. Using only digital inputs and outputs, we developed this simple piano/synthesizer with an 8 bit kind of style: Inputs from b1 to b11 are the push buttons in the circuit while
It’s a Microcontroller Based DIY Electronics Project. Named Wireless RF Module Using PIC Microcontroller. The RF module is a small electronic circuit used to transmit, receive, or transceive radio waves on one of a number of carrier frequencies. RF modules are widely used in consumer applications such as garage door openers, wireless alarm systems, industrial
Wireless Radio Frequency Module Using PIC Microcontroller. Read More »
When powering many appliances from a sine wave inverter, the HV DC is converted to AC only to be rectified back to DC in the appliance. This inverter eliminates the SPWM stage and outputs DC only. This DC can be used to power appliances, or as a HV DC source for your SPWM, variable frequency
12VDC TO 220-380VDC CONVERTER Read More »
PICMETER Introduction This PICMETER project has grown into a useful and reliable tool for any electronics enthusiast. It runs on a PIC16F877 / 877A micro controller. It is a PIC development system It is 19-function multi-meter (voltmeter, frequency meter, signal generator, thermometer…) It is a component checker (R, L, C, diode …) with up to
PIC16F877 Multimeter Read More »
This device is a simple access control system which uses RFID cards. It is designed with PIC12F1822 microcontroller running on internal oscillator at 16MHz. It generates 125 KHz carrier frequency and decodes the respond data stream – format H10301- FSK modulation 26 bits only. These cards (made by HID and other companies) are widely used in US.
RFID Reader – Access Control System Read More »
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