Typical hardware circuit diagram of FT245BM – Circuit Schematic
Typical hardware circuit diagram of FT245BM
FT245BM typical hardware circuit as shown in FIG. This circuit uses bus-powered mode, while using power-on reset mode, the output by the reset the device. The c...
FM24C256 interface circuit – Circuit Schematic
FM24C256 interface circuit
FM24C256 as shown 27-54 slave interface circuit I2C bus, the address format shown in Table 27-3. A2, Al, AO is set to low (when extended storage capacity, the n...
Using ASCII keyboard code development system – Circuit Schematic
Using ASCII keyboard code development system
Expressed in ASCII keyboard code CY512 easiest development system. It has three operating modes; 1) the immediate command execution mode. Users type ASCII comma...
CPU number of liquid crystal display driver circuit example tube – Circuit Schematic
CPU number of liquid crystal display driver circuit example tube
Examples of the structure of a number of liquid crystal display drive circuit CPU tubes. ...
DAC0832 interface circuit with the 8-bit CPU – Circuit Schematic
DAC0832 interface circuit with the 8-bit CPU
DAC0832 shown in Figure 27-13 cushion in the form of a single-phase circuit connected with 8086CPU. Since DAC0832 internal 8-bit data input must be set between ...
8255 uses 64 input expansion interface circuit – Circuit Schematic
8255 uses 64 input expansion interface circuit
Computer control system, you can detect the signal path switching means dressing a lot, you need a lot of input interface expansion Wei, so can all switch signa...
AD converter AD9887 circuit – Circuit Schematic
AD converter AD9887 circuit
As shown in the commonly used liquid crystal television video A/D converter AD9887, the chip can be analog R, G, B signal is converted into a digital signal ou...
DK04 monitoring module with the computer communications interface circuits – Circuit Schematic
DK04 monitoring module with the computer communications interface circuits
As shown in FIG, D187 is a universal asynchronous receiver transmitter (UART), its RX/TX signal received optocoupler N21, the N22 and N29, so put the RS-485 co...
AD574 and PC bus interface circuit – Circuit Schematic
AD574 and PC bus interface circuit
Another example given in AD574 and PC bus. The figure for the AD574 converter Ul, U2 is 74LS245 bidirectional data buffer, U3 of 74 Lsoo two-input AND gate, U4 ...
ADC0809 and PC bus interface circuit – Circuit Schematic
ADC0809 and PC bus interface circuit
ADC0809 is an 8-channel analog switch with an 8-bit successive approximation A/D converter. ADC0809 8-channel analog switches can be realized now 8 to 1, an add...
Keyboard - Display Interface Circuit – Circuit Schematic
Keyboard - Display Interface Circuit
4X4 matrix keyboard system settings, including 0 ~ 9 numeric keys. A ~ F as function keys. The main function of the keyboard is complete parameter settings, dis...
4-wire resistive touch screen interface circuit with ADS7846 – Circuit Schematic
4-wire resistive touch screen interface circuit with ADS7846
4-wire resistive touch screen. ADS7846 interface circuit. ADS7846 analog chip contains electronic switches and successive approximation A / D converter. Switche...
Host computer automatic temperature control circuit – Circuit Schematic
Host computer automatic temperature control circuit
Computer when you run large-scale software or games machine in the heat will increase the temperature inside the machine so that, especially in the hot summer w...
FTDI Circuit Schematic – Circuit Schematic
FTDI Circuit Schematic
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USB Printer Share Switch – Circuit Schematic
USB Printer Share Switch
This simple device allows two computers to share a single USB printer or some other USB device, such as an external flash drive, memory card reader or scanner. ...
expand from one 15 pin d-sub VGA output to multiple others circuit – Circuit Schematic
expand from one 15 pin d-sub VGA output to multiple others circuit
The circuit that allows you to expand from one 15 pin d-sub VGA output to multiple others. I built upon the schematic found online here and expanded it to allow...
computer vic20 – Circuit Schematic
computer vic20
VIC-20CR rev. D (NTSC, new design). Assy number 251027-01. The PAL model has a crystal frequency of 4433618 Hz, and there is an extra 56pF capacitor on the sold...
Expansion - C64 to 256kB – Circuit Schematic
Expansion - C64 to 256kB
The inputs of the 74LS153 chip were mixed, which caused the address block decoding to fail. By now, I know of two Commodore 64 (mine and Pekka Pessi`s) where th...
Serial mouse interface for Commodore – Circuit Schematic
Serial mouse interface for Commodore
This interface design comes a long way. This is in fact the first microcontroller design I`ve ever started. Somehow it kept going with me during past few years....
R5000 Computer Interface – Circuit Schematic
R5000 Computer Interface
This circuit is a modified version of an original interface on QSL Net. It is a fully isolated interface allowing computer control of the Trio/Kenwood R5000 rec...