Circuit Documentation

Summary

The circuit in question is designed to interface an ESP8266 NodeMCU microcontroller with a LED Dot Display and a TP4056 lithium battery charger module. The ESP8266 NodeMCU is responsible for controlling the LED Dot Display, while the TP4056 module manages the charging of a connected battery pack. The battery pack provides power to the circuit, and the TP4056 ensures a stable voltage output to power both the microcontroller and the LED display.

Component List

ESP8266 NodeMCU

• Description: A Wi-Fi capable microcontroller module based on the ESP8266 chip.
• Pins: D0, D1, D2, D3, D4, 3V3, GND, D5, D6, D7, D8, RX, TX, A0, RSV, SD3, SD2, SD1, CMD, SD0, CLK, EN, RST, VIN

TP4056

• Description: A lithium battery charger module with a micro USB input for charging and protection circuitry.
• Pins: OUT-, B-, B+, OUT+, IN-, IN+

LED Dot Display

• Description: A matrix LED display module for visual output.
• Pins: VCC, GND, DIN, CS, CLK

Battery Pack

• Description: A power source for the circuit, consisting of one or more batteries.
• Pins: +, -

Wiring Details

ESP8266 NodeMCU

• D5 connected to LED Dot Display CLK
• D7 connected to LED Dot Display DIN
• D8 connected to LED Dot Display CS
• GND connected to LED Dot Display GND and TP4056 OUT-
• VIN connected to TP4056 OUT+

TP4056

• OUT- connected to ESP8266 NodeMCU GND
• B- connected to Battery Pack -
• B+ connected to Battery Pack +
• OUT+ connected to ESP8266 NodeMCU VIN and LED Dot Display VCC

LED Dot Display

• CLK connected to ESP8266 NodeMCU D5
• DIN connected to ESP8266 NodeMCU D7
• CS connected to ESP8266 NodeMCU D8
• GND connected to ESP8266 NodeMCU GND
• VCC connected to TP4056 OUT+

Battery Pack

• • connected to TP4056 B+
• • connected to TP4056 B-

Documented Code

Microcontroller Code (ESP8266 NodeMCU)

File: sketch.ino

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Note: The provided code is a template and does not include specific functionality. It is expected that the user will add code to control the LED Dot Display and manage Wi-Fi connectivity using the ESP8266 NodeMCU's capabilities.