The document provides an overview of connecting a DTMF mobile control board to an L298 motor driver board, detailing connections and control via a mobile keypad. It emphasizes that the manual is proprietary to Total Project Solutions and warns that performance is not guaranteed as TPS does not control product application. The content also serves as a disclaimer regarding the use of products and specifications, suggesting users clarify doubts prior to use.

1. DTMF / Mobile Control Board
Connect L298 Motor driver board
Mode-1B
Mode-1A
www.onlineTPS.com Mode-2
Power RN1
Mode-1 For L298 Board
Mode-2 For Relay Board
M1-M2
MCU
R1
C1 XTL1
DTMF Pro+
Rx Pin#1=Vailed Transmission
R2
RN2
Tx Pin#2=D3
G. Pin#3=D2
C4 C5 C3 Data Out
R3
C2
DTMF Data Out : Pin#4=D1
123456 Pin#5=D0
* R4
R5
M M= Momentary Output Pin#5=Ground
LM7805
MT/CM 8870 H H= Data Hold Output
R6
C6 XTL2
R7
Vin R8
OUT
C7,8
VT
DTMF
C9 C10 Signal In
9-12V
Contrlling
Mobile Keypad #2=Forword
Mobile Keypad #8=Reverse
Mobile Keypad #4=Left
Mobile Keypad #6=Right
Mobile Keypad #1=Up
Mobile Keypad #7=Down
Mobile Keypad #3=Grip DTMF Tone through Mobile
Mobile Keypad #9=Ungrip Connect it to Headphone Socket
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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