Circuit Documentation
Summary of the Circuit
This circuit integrates an ESP32-CAM module with a TFT LCD Display ST7735S, powered by a regulated voltage supply from a Mini 360 Buck Converter. The power is sourced from a 2.1mm DC Barrel Jack, which is presumably connected to an external power supply. The ESP32-CAM module is responsible for processing and potentially capturing images or video, while the TFT LCD Display is used to display visual data. The Mini 360 Buck Converter steps down the voltage to a level suitable for the ESP32-CAM and the TFT LCD Display.
Component List
ESP32 - CAM
- Description: A camera module with Wi-Fi capabilities based on the ESP32 chipset.
- Pins: 5V, GND, IO12, IO13, IO15, IO14, IO2, IO4, VOT, VOR, VCC, IO0, IO16, 3V3
TFT LCD Display ST7735S
- Description: A small TFT LCD display for visual output.
- Pins: Vcc, GND, CS, RESET, A0, SDA, SCK, LED
2.1mm DC Barrel Jack
- Description: A power connector for external power supplies.
- Pins: switch, sleeve, center
Mini 360 Buck Converter
- Description: A DC-DC step-down (buck) converter module.
- Pins: IN-, OUT-, OUT+, IN+
Wiring Details
ESP32 - CAM
- 5V: Connected to the OUT+ of the Mini 360 Buck Converter
- GND: Common ground with the Mini 360 Buck Converter and TFT LCD Display ST7735S
- IO12: Connected to RESET of the TFT LCD Display ST7735S
- IO13: Connected to SDA of the TFT LCD Display ST7735S
- IO15: Connected to CS of the TFT LCD Display ST7735S
- IO14: Connected to SCK of the TFT LCD Display ST7735S
- IO2: Connected to A0 of the TFT LCD Display ST7735S
TFT LCD Display ST7735S
- Vcc: Connected to the OUT+ of the Mini 360 Buck Converter
- GND: Common ground with the ESP32 - CAM and Mini 360 Buck Converter
- CS: Connected to IO15 of the ESP32 - CAM
- RESET: Connected to IO12 of the ESP32 - CAM
- A0: Connected to IO2 of the ESP32 - CAM
- SDA: Connected to IO13 of the ESP32 - CAM
- SCK: Connected to IO14 of the ESP32 - CAM
- LED: No connection specified
2.1mm DC Barrel Jack
- switch: Connected to IN- of the Mini 360 Buck Converter
- center: Connected to IN+ of the Mini 360 Buck Converter
Mini 360 Buck Converter
- IN+: Connected to the center pin of the 2.1mm DC Barrel Jack
- IN-: Connected to the switch pin of the 2.1mm DC Barrel Jack
- OUT+: Connected to 5V of the ESP32 - CAM and Vcc of the TFT LCD Display ST7735S
- OUT-: Common ground with the ESP32 - CAM and TFT LCD Display ST7735S
Documented Code
No code has been provided for the microcontrollers in the circuit. If code is later provided, it should be documented here with explanations of how the code interacts with the hardware components and any relevant algorithms or communication protocols used.