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MUSRF05 데이터시트 PDF




FGC에서 제조한 전자 부품 MUSRF05은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 MUSRF05 자료 제공

부품번호 MUSRF05 기능
기능 Controller
제조업체 FGC
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MUSRF05 데이터시트, 핀배열, 회로
MUSRF05 Interface I.C.
This allows up to 6 of the superb Devantech SRF05 Ultrasonic range-finding modules to
be controlled using a simple serial 2 wire connection from PICAXE or BASIC STAMP.
PIBCaAsX&icE Stamp
Features.
Simple serial control from PICAXE or BASIC STAMP.
Simple serial data reading using Serin Command.
Single or multiple sampling.
Individual Control for each Ultrasonic module.
Can return data in inches , centimetres or microseconds.
Can return Minimum and Maximum values when Multi-Sampling.
Uses PIC16F688 controller with calibrated 1% precision timer.
Range up to 5 metres.
Much lower overall cost than multiple I2C modules (SRF08/10).
Saves significant code space in your PICAXE or Stamp.
Saves pins if using multiple sensors.
Overview.
The MUSRF05 controller allows the PICAXE or Stamp programmer to obtain range data from
up to 6 Devantech SRF05 ultrasonic ranger-finder modules.
The command output from PICAXE is of the general syntax:-
Serout <output pin> , T2400 , ( <Command No.> , <No. of Samples> , <Units> )
Reading the returned data is of the general syntax:-
Serin <input pin> , T2400 , <Range> , <Max> , <Min>
See overleaf for more information on data sizes and ‘real world’ formatting.
Our website includes a small PICAXE Basic example showing a simple example.
http://www.Datasheet4U.com




MUSRF05 pdf, 반도체, 판매, 대치품
Command Details.
Ultrasonic Module Control.
Syntax:
Serout <output pin> , T2400 , ( <Command Number> , <No. of Samples> , <Units> )
Command Number:
1 to 6
10
20
Action
Trigger Ultrasonic Module 1 to 6
Switch ON power to U/S Modules
Switch OFF power to U/S Modules
No. of Samples
1 to 20
Return averaged range value and Max and Min values
Units
1
2
3
Inches
Centimetres
MicroSeconds
Getting Started.
If you make a circuit which uses the Power Control functions (as in our example overleaf) your first
programme step before getting range data is to Switch ON the power. Note: When you download
a new programme to your PICAXE it will send a bit of nonsense to the output pins.
So to initialise we would recommend you have code a bit like this:-
(Pause 1000 - optional at start if you experience problems)
Serout <o/pin> , T2400 , (255):pause 1000
‘ Clears MUSRF05 buffer
Serout <o/pin> , T2400 , (10): pause 1000
‘ Switches U/S power ON
.... now you can do the code for your range measurements.
General.
It is well worth a look at Devantech’s website at http://www.robot-electronics.co.uk/ to read up
about the modules and their performance.
It is also a good idea to have a look at the beam patterns of ultra-sonic modules. As you will see
the ‘beam’ pattern is quite a spread and is definitely NOT a pencil beam. Understanding this will
hopefully explain why you sometimes get odd results with ultrasonic range-finding.
Ultrasonic can also bounce around a bit and the longer the range then the more likely you are to
get anomalous results - hence our option for multi-sampling. Multi-sampling won’t cure odd echo
effects but the Min-Max ‘spread’ can be used to get an idea of the level of uncertainty.

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MUSRF05

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