This post shows how to make a real time clock and calendar using PIC16F84 and DS3231 RTC. The DS3231 uses I2C protocol to interface with the master device which is in this example the PIC16F84A MCU. In this project software …
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This topic shows a simple interfacing of 2 GB micro SD card with PIC16F84A microcontroller. I used the PIC16F84A to read the SD card raw data which doesn’t require a microcontroller with high RAM or ROM. In this interfacing I …
The microcontroller PIC16F84A has no hardware UART module, but we can use software UART to send/receive data to/from the PC via RS232 cable (COM port). This topic shows a simple example for the use of the UART protocol with the …
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Interfacing PIC16F84A with HC-SR04 Ultrasonic Sensor This post shows how to interface PIC16F84A microcontroller with HC-SR04 ultrasonic sensor and make a distance meter. The ultrasonic sensor HC-SR04 can measure distances form 2cm to 400cm with an accuracy of 3mm. This …
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The NEC protocol uses pulse distance encoding of the bits. Each pulse is a 562.5µs long with carrier frequency of 38KHz. Logic bits are transmitted as follows: Logic 0: 562.5µs pulse burst followed by a 562.5µs space, with a total …
CD-ROM bipolar stepper motor drive with PIC16F84A and CCS PIC C compiler This topic shows circuit schematic and C code for interfacing PIC16F84A microcontroller with CD-ROM bipolar stepper motor. Related Topics: Bipolar stepper motor drive with PIC18F4550 and CCS C …
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Interfacing PIC16F84A microcontroller with DHT22(AM2302 – RHT03) relative humidity and temperature sensor This topic shows how to interface PIC16F84A microcontroller with DHT22 sensor with hardware circuit. Related topic: The following topic shows PIC16F84A microcontroller and DHT22 Proteus simulation and some …
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This topic shows how to interface DS1307 real time clock chip with PIC16F84A microcontroller, how to write data to the DS1307 RTC and how to read data from the DS1307 RTC. Related topics: Real time clock using PIC16F877A microcontroller and …
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DHT22 Proteus simulation This topic shows how to interface DHT22 (AM2302, RHT03) digital relative humidity and temperature sensor with PIC16F84A microcontroller, and how to simulate this interfacing using Proteus. Note that for the simulation Proteus version should be 8.1 or …
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Interfacing PIC16F84A microcontroller with DHT11(RHT01) sensor This topic shows how to interface DHT11 (RHT01) digital relative humidity and temperature sensor with PIC16F84A microcontroller, and how to simulate this interfacing using Proteus. Note that for the simulation Proteus version should be …
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