When there is a telephone ringing, the light-emitting diode (LED) is abbreviated as LED. A diode made of a compound of gallium (Ga) and arsenic (AS) or phosphorus (P) can emit visible light when electrons and holes are combined. Can be used to make LEDs. It can be used as an indicator light in circuits and instruments, or as a text or digital display. Phosphorus arsenide diodes emit red light, gallium phosphide diodes emit green light, and silicon carbide diodes emit yellow light. Lights up with each ringtone (reducing the resistance of the LDR). Turn T1 and T2 on, relay (relay is an electronic control device, it has control system (also called input circuit) and controlled system (also called output circuit), usually used in automatic control circuit, it is actually An "automatic switch" that uses a small current to control a large current, so it plays an automatic adjustment, safety protection, conversion circuit, etc. in the circuit. Its contacts turn on the ringtone and the bulb.
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IEEE 1394/Firewire Connector Overview
The IEEE 1394 connector series is capable of accommodating data rates up to 400 megabytes per second for serial transmission-consists of six-position connectors (for connections of computers to peripherals), and four-position connectors (for connections of digital AV equipment. We offer a screw thread size of M1.6 and two types of headers: dual inline package (DIP) and surface-mount technology (SMT). These four-position connectors help us manage a wide range of device designs and are suitable for DVD, set-top box, etc. The cable assemblies are also available with four-position to four-position type, for connection of AV equipment; four-positions to six-positions of transition type, for connections of PC and AV equipment; and six-position to six-position type for connections of PC and peripherals.
IEEE 1394 Connectors Product Features
Conforms to IEEE 1394 standard
Easy connections for plug and play devices
Available for wide range of connectors
DIP and SMT types available for PCB side
For 0.8mm and 1.6mm PC boards, M1.6 and M2.1 (4-position) panel mounting screw thread sizes
Use for automatic mounting machines with embossed tapes (4-position)
Fire Wire (IEEE 1394) Connector Wire to Borad Connectors
No of Contacts 4, 6, 9
Type
4pin IEEE 1394 Connector Female PCB Mounting Straight
4pin IEEE 1394 Connector Female PCB Mounting Right Angle
6pin IEEE 1394 Connector Female PCB Mounting Straight
6pin IEEE 1394 Connector Female PCB Mounting Right Angle
4pin IEEE 1394 Connector Male Wire Moulding type
6pin IEEE 1394 Connector Male Wire Moulding type
9pin IEEE 1394 Connector Male Wire Moulding type
9pin IEEE 1394 Connector Female PCB Mounting Right Angle
IEEE 1394 Connector With Female SMT 04P
IEEE 1394 Connector With Female SMT 09P
IEEE 1394 Connector Application:
IEEE1394 (Firewire) interface, IEEE1394 is a serial standard. .Like USB, IEEE1394 also support hotplug peripherals and can provide power for peripherals,
eliminating the need for built-in power supply. IEEE1394 supports multiple devices as well as synchronous data transmission.
Cameras
Camcorders
Scanners
Printers
DVD Players
Set-Top Boxes
Computer Monitors
Audio Video Receivers
Hard Drives
Audio Recording Devices
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