Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes an Arduino UNO, a Micro SD Card Module, a USB Plug, a Rocker Switch (SPST), and two 18650 Li-ion Batteries. The circuit is designed to interface the Arduino with a Micro SD Card for data storage, powered by the batteries and controlled via a USB connection and a rocker switch.
Component List
Arduino UNO
- Description: A microcontroller board based on the ATmega328P.
- Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0
Micro SD Card Module
- Description: A module used to interface with a micro SD card for data storage.
- Pins: cs, sck, mosi, miso, vcc, gnd
USB Plug
- Description: A standard USB plug for power and data transfer.
- Pins: GND, D+, D-, 5V+, Out
Rocker Switch (SPST)
- Description: A single-pole single-throw switch used to control the power supply.
- Pins: 1, 2
18650 Li-ion Battery x 2
- Description: Two 18650 Li-ion batteries used to power the circuit.
- Pins: +, -
Wiring Details
Arduino UNO
- D4 connected to Micro SD Card Module cs
- D7 connected to Micro SD Card Module sck
- D5 connected to Micro SD Card Module mosi
- D6 connected to Micro SD Card Module miso
- 5V connected to Micro SD Card Module vcc
- GND connected to Micro SD Card Module gnd
- GND connected to USB Plug GND
- Vin connected to USB Plug 5V+ and Rocker Switch (SPST) 2
- D1 connected to USB Plug D+
- D0 connected to USB Plug D-
Micro SD Card Module
- cs connected to Arduino UNO D4
- sck connected to Arduino UNO D7
- mosi connected to Arduino UNO D5
- miso connected to Arduino UNO D6
- vcc connected to Arduino UNO 5V
- gnd connected to Arduino UNO GND
USB Plug
- GND connected to Arduino UNO GND and 18650 Li-ion Battery -
- 5V+ connected to Arduino UNO Vin and Rocker Switch (SPST) 2
- D+ connected to Arduino UNO D1
- D- connected to Arduino UNO D0
Rocker Switch (SPST)
- 1 connected to 18650 Li-ion Battery +
- 2 connected to USB Plug 5V+ and Arduino UNO Vin
18650 Li-ion Battery x 2
- + connected to Rocker Switch (SPST) 1
- - connected to USB Plug GND
Documented Code
Arduino UNO Code (sketch.ino)
void setup() {
}
void loop() {
}
Additional Documentation (documentation.txt)
This document provides a comprehensive overview of the circuit, including the components used, their connections, and the code running on the Arduino UNO.