Introduction

This gradienter module is based on the SCA100T-D2 chip, which provides instrumentation grade performance for leveling applications.The measuring axis of the sensing elements are parallel to the mounting plane and orthogonal to each other. Benefiting from its low temperature dependency, high resolution and low noise, together a with robust sensing element design, the SCA100T the ideal choice for leveling instruments.

Specification

Microcontroller: ATmega8
Power Supply: 5V
.NET Gadgeteer Compatible
Dual axis inclination measurement (X and Y)
Measuring ranges:± 90°
Digital Output Resolution: 0.07°
Accuracy: 0.1° for 0-30°; 1° for 30-86°
Ratiometric analog voltage outputs
Digital SPI inclination and temperature output
High stability over temperature and time
Comprehensive failure detection features
True self test by deflecting the sensing elements’ proof mass by electrostatic force.
Continuous sensing element interconnection failure check.
Continuous memory parity check.
Size: 42*42mm

User Guide

Arduino Connection Diagram

Arduino connection Diagram

Pin Number

1 DTR
2 TX——RX(Arduino)
3 RX——TX(Arduino)
4 VCC(5V)——VCC(Arduino)
5 NC
6 GND——GND(Arduino)

Tutorial

1 When it begins to work, all Led will be turned on.
2 The moving direction will be opposite to the tilt direction, when you tilt the module.
3 The serial port communication testing command formal.

Command A（Output the processed value）

Command：（Hexadecimal）

Header	Command	Check sum
55 AA	01	FE

Return：（hexadecimal）

55 AA	FF	01	19	00	00	2D	21	14
Hearer	X sign bit positive 00，negative FF	First interger	Second decimals	Y sign bit positive 00，negative FF	First interger	Second decimals	Temperature	Check sum

Command B（Output original value ）