Specifications
On-board MT8870 frequency decoder chip
On-board audio input interface
On-board LED lights for output state indication
PCB Size: 26.5 x 24.5 mm
The MT8870 module is a low power device DTMF decoder chip. It is a complete DTMF receiver integrating both the band-split filter and digital decoding functions. This module is suitable for modem interfaces, mobile radios and other DTMF related applications.
Range of Receiving Frequency - 1575.42MHz
Band Width(MHz) - 10MHZ
Gain (Zenith)(dBi typ) - 0dB
Gain(10°elevation) -5dB
Polarization - Right-Handed Circular
Impedance(O) - 50%O
the use of solid state relays, output with a resistive fuse 240V 2A.
Size: 55 * 33 * 25 (L * W * H)
input power: 5V DC (160MA)
the input control signal voltage:
(0-1.5V state low level relay ON)
(2.5-5V state high level relay OFF)
blue KF301 terminal access control line more convenient
Product parameters:
* H bridge motor dual drive, and can drive two DC motor or 1 line 4 phase stepper motor;
* The voltage of the power supply module 2V-10V;
* The signal input voltage 1.8-7V;
* Single channel current of 1.5A, peak current up to 2.5A, low standby current (less than 0.1uA);
Specification:
1. This item is a 5V 8-Channel Relay interface board,It can be controlled directly by a wide range of microcontrollers such as for Arduino, AVR, PIC, ARM and so on.
2. 8-Channel Relay interface board.
3. Each one needs 15-20mA Driver Current.
4. Equiped with high-current relay : DC30V 10A AC250V 10A.
1. 5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current, optocoupler isolation.
2. Equiped with high-current relay, AC250V 10A ; DC30V 10A
3. Standard interface that can be controlled directly by microcontroller
