A/D Converter Module - Qianglongsheng Electronic Technology MCD-DEMO-II Manual

DEMO-II Copyright of Qianlongsheng Electronics Technology (Shenzhen) Co., Ltd.

4.11 A/D Converter Module

This module main executes the conversion from analog signal to digital signal.
This module mainly consists of the following components:
1) One 1K adjustable potentiometer.
2) Jumper wire J18.
Descriptions of this module are as the following:
1) The potentiometer is connected to the RA0 port through jumper wire J18.
2) When the A/D converter is in use, please make sure that the jumper wire is on while if it is not in use please sure it
should be cut off so as not to affect Other modules.
3) CD-ROM provided along with the product includes examples of A/D converter for reference.
Schematic of this module is shown in Figure 4-19.
J18
RA0
A/D Converter Module
VC C
R44
470R
Figure 4-19 A/D converter schematic
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VR 1
1K