Battery-Powered Wi-Fi Controlled IR Sensor Array with ESP8266
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Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes a WeMOS ESP8266 microcontroller, two Sharp IR Sensors, a 16-channel analog multiplexer, and a 2x 18650 battery pack. The circuit is designed to interface the IR sensors through the multiplexer to the microcontroller, which is powered by the battery pack.
Component List
Sharp IR Sensor
- Description: Infrared distance sensor
- Pins: VCC, GND, Pin
2x 18650
- Description: Battery pack consisting of two 18650 cells
- Pins: vcc, gnd
WeMOS ESP8266
- Description: Wi-Fi enabled microcontroller
- Pins: A0, VIN, GND, 5V, 3.3V, D7, D6, D1, D2, D15, D14, D13, D12, D11, D10, 19, D8, D5, D4, D3, D0
16 Channel Analog Multiplexer
- Description: Analog multiplexer with 16 channels
- Pins: GND, VCC, EN, S0, S1, S2, S3, SIG, C0, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15
Wiring Details
Sharp IR Sensor 1
- VCC connected to 2x 18650 vcc
- GND connected to 2x 18650 gnd
- Pin connected to 16 Channel Analog Multiplexer C1
Sharp IR Sensor 2
- VCC connected to 2x 18650 vcc
- GND connected to 2x 18650 gnd
- Pin connected to 16 Channel Analog Multiplexer C0
2x 18650
- vcc connected to Sharp IR Sensor 1 VCC, Sharp IR Sensor 2 VCC, WeMOS ESP8266 5V, 16 Channel Analog Multiplexer VCC
- gnd connected to Sharp IR Sensor 1 GND, Sharp IR Sensor 2 GND, WeMOS ESP8266 GND, 16 Channel Analog Multiplexer GND
WeMOS ESP8266
- A0 connected to 16 Channel Analog Multiplexer SIG
- D0 connected to 16 Channel Analog Multiplexer S0
- D1 connected to 16 Channel Analog Multiplexer S1
- D2 connected to 16 Channel Analog Multiplexer S2
- D3 connected to 16 Channel Analog Multiplexer S3
16 Channel Analog Multiplexer
- GND connected to 2x 18650 gnd
- VCC connected to 2x 18650 vcc
- SIG connected to WeMOS ESP8266 A0
- S0 connected to WeMOS ESP8266 D0
- S1 connected to WeMOS ESP8266 D1
- S2 connected to WeMOS ESP8266 D2
- S3 connected to WeMOS ESP8266 D3
- C0 connected to Sharp IR Sensor 2 Pin
- C1 connected to Sharp IR Sensor 1 Pin
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code section. Each component is described, and the wiring details are provided to ensure proper connections.