uca21's Introduction

UCA_Education_Board version 2021

Board for Education

Version 1.0.1, September, 2021

Author: Fabien Ferrero and Trinh Le Huy

This board was developed for education to support courses on embedded software, digital and analog electronic, telecommunication, signal processing and IoT.

What's new

Lithium battery charger + JST-PH 2pin and 3pin connector : MCP73831
Accelerometer sensor : KXTJ3-1057
Temp/Humidity sensor : SHTC3
Light sensor : LTR-303A
21 RGB Leds : WS2812-2020
Optimized sleep mode to 5uA
VSWR meter

The board is fabricated by RFThings.

Wiring

 ATMega328pb       LoRa RFM95W 
                   Module
 D8          <----> RST
 MISO  (D12) <----> MISO
 MOSI  (D11) <----> MOSI
 SCK   (D13) <----> CLK
 SS    (D10) <----> SEL (Chip Select)
 D6          <----> DIO0
 D6          <----> DIO1
 D6          <----> DIO2
 3.3V        <----> Vcc
 D2          <----> BT0 (no pull-up)
 D3          <----> BT1 (no-pull-up)

USB Driver

The board is using CH340C chip for USB. You may need to install the driver to use the board: https://sparks.gogo.co.nz/ch340.html

Board Programming - Board Manager

Download and install the Arduino IDE (at least version v1.6.8)
Start the Arduino IDE
Go into Preferences Add

https://rfthings.github.io/ArduinoBoardManagerJSON/package_rfthings-avr_index.json

as an "Additional Board Manager URL"

Open the Boards Manager from the Tools -> Board menu and install "RFTHings AVR Boards by RFThings Vietnam"
Select your RFTHings UCA board from the Tools -> Board menu
Select Board version "3.9 and newer : AT328PB" from the Tools -> Board menu
Select the port

Schematic

The schematic of the PCB is available the Schematic section.

License

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.