Time Interval Relay Circuit for the clock circuit above This is a programmable clock timer circuit that uses individual LEDs to indicate hours and minutes. 12 LEDs can be arranged in a circle to represent the 12 hours of a clock face and an additional 12 LEDs can be arranged in an outer circle to [...]
Parameter Name Value Family PIC32MX3xx Max Speed MHz 40 Program Memory Size (KB) 32 RAM (KB) 8 DMA Channels 0 SPITM 2 I2CTM Compatible 2 A/D channels 16 Max A/D Sample Rate 714 Input Capture 5 Output Compare/Std. PWM 5 16-bit Digital Timers 5 Parallel Port PMP Comparators 2 Internal Oscillator 8 MHz, 32 kHz [...]
Rangkaian Led 7-Segment Interface Circuit The circuit uses a serial-in-parallel out shift register, 74HC595 for receiving serial data from uController board. See example of U5 in the schematic, SER is for data input, SRCLK is shift clock and RCLK is Latch clock. Each data bit is shifted into the register on rising edge of the [...]
This circuit is uses for the general purpose Big LED with SPI serial interfacing. The circuit is using a serial-in-parallel out shift register, 74HC595 for receiving serial data from microcontroller board. This is the figure of the circuit. For wiring the schematic is SER is for data input, SRCLK is shift clock and RCLK is [...]
The system presented in this application note implements a simple digital thermometer that includes a built-in LCD and RS-485 communicate ion Port. It is designed around Atmel’s AT89C2051 processor, a digital thermometer/thermostat from Dallas Semiconductor, a small 8 X 2 LED backlit LCD, and an RS485 line interface. The system, shown in Figure, can be [...]
