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please explain what D2 does.
paulgiral

paulgiral

@copilot please explain what D2 does.
1y

copilot

D2 - ESD Protection Component
The designator D2, with part number 82400102, is a Würth Elektronik component, typically used as an Electrostatic Discharge (ESD) protection device. The detailed pin configuration is:
  • Pin 1 & 6 (IO1): Input/Output
  • Pin 2 (GND): Ground
  • Pin 3 & 4 (IO2): Input/Output
  • Pin 5 (VDD): Power Supply
Purpose
  • ESD Protection: Its primary purpose is to protect other components in your circuit from electrostatic discharges, which can damage sensitive electronics, especially devices like the ESP32 and the OV2640 camera module.
Electrical Connections
Here’s a general idea of how to connect it:
  • Connect $D2:IO1$ to the USB data lines to protect them from ESD events.
  • Connect $D2:IO2$ to the subsequent stages or directly to your IC's corresponding data pins.
  • Connect $D2:VDD$ to your power supply rail (3.3V).
  • Connect $D2:GND$ to the ground.
If any specifics about where data lines should be connected are needed, let me know!
1y
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2
ESP_RX
ESP_TX
GPIO15
GPIO4
GPIO2
GND
ESP_RX
GPIO2
GPIO4
GPIO15
ESP_TX
2
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WiFi Camera Module

WiFi Camera Module thumbnail
This project uses an ESP32 microcontroller and OV2640 camera to create a WiFi-enabled digital camera. It uses AMS1117 voltage regulators to provide regulated power, a CH340C for USB communication, and includes capacitors and resistors for circuit balance. Ideal for IoT and edge computing tasks. #referenceDesign #project #ESP32 #ESP32WROVER #RF #WIFI #MCU #reusable #module #edge-computing #edgeComputing #espressif #template

Properties

creativecommons.org/licenses/by/4.0/

Pricing & Availability

Distributor

Qty 1

Digi-Key

$1.30–$2.71

LCSC

$1.56–$1.88

Mouser

$9.98

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