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Face Recognition Attendance Machine interface circuit – Circuit Schematic
Face Recognition Attendance Machine interface circuit
Face through attendance as the worlds first embedded facial recognition machine, the error rate is less than one hundred thousandth of the rejection rate of les...
Driving circuit schematic – Circuit Schematic
Driving circuit schematic
Driving Circuit: the driving circuit shown in Figure 18-12. Driving portion is connected to the microcontroller and the air conditioning operation member of the...
Massage digital display circuit – Circuit Schematic
Massage digital display circuit
Display circuit as shown in a typical digital massager. The core of the control circuit is a microprocessor EM78156, it then received instructions manual operat...
Massage digital display circuit – Circuit Schematic
Massage digital display circuit
Display circuit as shown in a typical digital massager. The core of the control circuit is a microprocessor EM78156, it then received instructions manual operat...
Air conditioner microcomputer control circuit – Circuit Schematic
Air conditioner microcomputer control circuit
Circuit works as follows: Computer logo conditioned clamor control circuit shown in Figure 1-58, the main chip AT89C52 microcontroller with Levin. Switched pow...
Switch control circuit diagram mcu – Circuit Schematic
Switch control circuit diagram mcu
As shown in FIG TOPSwitch FZ chip switching power supply circuit diagram is controlled by the MCUs. The microcontroller can use inkjet printers, laser printers...
Based on AT89C52 minimum system interface circuit – Circuit Schematic
Based on AT89C52 minimum system interface circuit
American Atmel AT89C52 is produced by low-voltage, high-performance CMOS 8-bit microcontroller chip contains 8KB of rewritable program memory and 256B of random...
Intelligent transformer temperature monitor circuit module design – Circuit Schematic
Intelligent transformer temperature monitor circuit module design
A company is given to ATMET 89C51 microcontroller core temperature intelligent monitor, monitor with automatic temperature recording a three-phase power before ...
Hardware circuit C51 microcontroller serial communication – Circuit Schematic
Hardware circuit C51 microcontroller serial communication
51 microcontroller has a full-duplex serial communication port, so you can easily serial communication between the microcontroller and the computer. When the se...
5-channel low-power interface circuit programmable sensor signal processor AD7714 and MCS-51 series microcontroller – Circuit Schematic
5-channel low-power interface circuit programmable sensor signal processor AD7714 and MCS-51 series microcontroller
3-wire interface to the AD7714 can be equipped with a variety of microcontrollers (including microcontroller or microprocessor). 3-wire serial interface is part...
5-channel low-power interface circuit programmable sensor signal processor AD7714 and MCS-51 series microcontroller – Circuit Schematic
5-channel low-power interface circuit programmable sensor signal processor AD7714 and MCS-51 series microcontroller
3-wire interface to the AD7714 can be equipped with a variety of microcontrollers (including microcontroller or microprocessor). 3-wire serial interface is part...
External wiring diagram of PLC – Circuit Schematic
External wiring diagram of PLC
1/0 defined PLC Table. Its input signal path 13, including: 1 motor starter button. 2, 3, 5, 7, 8, 9 station photoelectric switch normally open contact, move th...
The simple joule thief using AVR microcontroller – Circuit Schematic
The simple joule thief using AVR microcontroller
The Joule Thief is such an easy and simple device, but what it does is amazing. It can use a battery that is not usable in any other electronic device and It is...
Microcontroller driving a Joule Thief circuit – Circuit Schematic
Microcontroller driving a Joule Thief circuit
In this example we have the PWM (pulse-width modulation) output of the microcontroller driving a Joule Thief style voltage booster to run the white LED....
LCD series microprocessor circuit diagram of speech synthesis – Circuit Schematic
LCD series microprocessor circuit diagram of speech synthesis
The speech synthesis circuit embedded microprocessor series, LCD drivers, clock oscillator, input and output ports, memory and multi-voice audio signal...
ARM module optical fingerprint recognition circuit schematic – Circuit Schematic
ARM module optical fingerprint recognition circuit schematic
The system uses optical fingerprint sensor with ARM Cortex M3 core STMicroelectronics 32-bit high-performance microcontroller STM32F205RE...
The interface circuit of dot matrix LCD display – Circuit Schematic
The interface circuit of dot matrix LCD display
It is shown using the MCS-51 series single-chip interface circuit 8051. Chip SED13 35 dot matrix LCD display for the controller, which can control...
ACU7505 chip MP3 player memory circuit – Circuit Schematic
ACU7505 chip MP3 player memory circuit
Shows the use of the MP3 player memory chip ACU7505 clamor circuit, in order to meet total machine CPU and MP3 decoder core...
ACU7505 chip MP3 player memory circuit – Circuit Schematic
ACU7505 chip MP3 player memory circuit
Shows the use of the MP3 player memory chip ACU7505 clamor circuit, in order to meet total machine CPU and MP3 decoder core...
8 Pin PIC Development Board – Circuit Schematic
8 Pin PIC Development Board
Prototype board for 8 pin PIC microcontrollers with 4MHz ceramic resonator, external 8K EEPROM, power supply circuit, and RS232 port. Two small holes for for so...