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.
Voice Decoding MT8870 DTMF Module
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
Out of stock
Lens focal length: 2.8mm Singal system: PAL/NTSC system Effective distance: 0m(not include) -10m(not include) Image color: Color Focal lengths: wide-angle Photosensitive area: 1/3 inch White balance: Auto Back light compensation: ON/OFF Synchronization: Inter-sync. Video out: 1.0Vp-p75O
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.
1.1-Channel relay module 2.The module can be high or low by a jumper setting trigger With power and relay action indicator 4.The module Operating voltage 5V 5. The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A