This document provides information about a DTMF controlled belay board with 5 channels. It can be interfaced with a mobile phone or other audio device using DTMF tones to control devices wirelessly. It has an onboard 5V power supply and MCU interface. Proper polarity is required when connecting the power supply to avoid damage. The board can be used to control robots or other devices. Product details and a link are provided, as well as a disclaimer about applications.

1. DTMF Controlled Belay Board -5 Channel (Part #: TPS-00916)
DC Power
! 5V !
D0
+ MIC
www.onlineTPS.com
MCU Interface
Gnd D0 D1 D2 D3 D4
6V 12V
+6/12V
R L1
RL2
RL3
RL4 RL5
Gnd
Mobile Control
!
Be Careful about polarity of power Supply, Wrong polarity may damage the board
! permanently
Note: If you are not using Mic as Tone Input REMOVE and you can connect headphone
wire of mobile or any DTMF sound source to this point
Product Discription
DTMF Controlled Belay Board - 5 Channel
Easily interface with Mobile / telephone / other wireless audio interface ,
It can also use to control robot or other devises wireless
Onboard +5V out for powerup your microcontroller or other interfacing device
Product Link
DTMF Controlled Belay Board -5 Channel
http://www.onlinetps.com/shop/index.php?main_page=product_info&cPath=157&products_id=916
IC Datasheet Link
http://www.datasheetcatalog.org/datasheet/calmicro/CM8870.pdf
Note: This Manual is only for customers of www.onlinetps.com / Total Project Solutions, public
release or web publishing is prohibited without prior permission from Tot al Project Solutions – India
Product Disclaimer
The rec ommendations and s uggestions regarding product applic at ion and use that are offered on
www.onlinetps.com, in our produc t broch ures, or information provided by any employee, broker, or dis tributor of
TPS (Tot al Project Solutions), are a guid e in the use of this product and are not a guarantee to their performance s ince TPS,
has no control over the use to that other parties may apply the product. Specification may change without an y not ice.
Not suitable for critical or indu strial appli cations unless stated, please c larify any doubts before using. V1.0R0.0
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