2015-2016 Microchip Technology Inc. DS40001808B-page 25
LoRa
®
MOTE USER’S GUIDE
Appendix B. Legacy Board Schematics and Bill of Materials
B.1 INTRODUCTION
This appendix section provides short descriptions of the Differences between the LoRa
®
Mote Revisions B
design discussed in this user’s guide, and that of the initial Legacy Mote Design, and the Legacy LoRa
®
Mote board schematics and Bill of Materials (BOM).
• Differences
• Board Schematics
• Bill of Materials
B.2 DIFFERENCES
General:
(New Mote) (Legacy Mote)
A)
S2 Push Button S1 Push Button
S3 Push Button S2 Push Button
B)
Push Button Layout Change
C)
Temperature Sensor Measured by GPIO12 Measured by PIC via RA2
Light Sensor Measured by GPIO13 Measured by PIC via RA3
D)
MODRST N/A; RN Module RESET pin tied to MCLR
& Pull Up (R19) to +3.3 V
(It is RECOMMENDED to have a DEDICATED pin for toggle control of the RN Module RESET pin to prevent
power cycle issues which were observed with the Legacy Mote design)
E)
PIC18LF45K50 MCU PIC18LF25K50
F)
J5 ICSP™ RN Module Programming Through-Holes J5 ICSP™ RN Module Programming Pads
G)
Green/Orange LEDs controlled by GPIO10/GPIO11 Layout Change
H)
PWM driven Backlight LCD (ERC12832-1) OLED LCD (ER-OLED0.91-3B-3801)
I)
Sharp Ambient Light Sensor (GA1A1S202WP) Everlight Ambient Light Sensor (ALS-PT19-315C)
Note: On legacy design the light values are inverted. No/less light results in higher
values; while increased/more light will result in lower value.
