Name: Espressif ESP32-C2 Series ESPC2-20 Module, Wi-Fi + Bluetooth, Compatible with 02C-Series Modules
SKU: 243
Availability: InStock

Espressif ESP32-C2 Series ESPC2-20 Module, Wi-Fi + Bluetooth, Compatible with 02C-Series Modules

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Description

Parameter information
model：ESPC2-20

brand：doit

Origin：Chinese mainland

Antenna type：Onboard

Image and text details

Documentation Download:
bbs.doit.am

Product Overview:
The ESPC2-C20 is based on Espressif’s latest ESP32-C2 chip. It is a highly cost-effective Wi-Fi and Bluetooth combo module.

Applications:
Smart homes, Industrial IoT, transparent data transmission, and developer applications.

1、Pinout Diagram

2、Package Drawing

3、schematic diagram

Firmware Download Procedure

Pull GPIO9 low by connecting it to ground to enter firmware download mode. After programming is complete, disconnect GPIO9 from ground; otherwise, the module will not operate normally.

Important Notes

The ESP8684 may draw an instantaneous RF current of up to 400–500 mA. Therefore, the power supply must provide at least 500 mA. LDO regulators such as the XC6206 and 7533 must not be used.
To meet the 500 mA power requirement, the power and ground traces should be at least 30 mil wide. If vias are required on the power traces, using two or three vias is recommended to reduce the impact of PCB manufacturing variations.
For optimal RF performance, follow the module placement guidelines provided in the datasheet. If product certification is required, avoid routing parallel traces near the PCB antenna. The firmware download pads should be positioned away from the antenna.
Completely erase the module’s flash memory before downloading the firmware. Otherwise, some modules may fail to boot.

Additional information

Module Memory	N2, N4

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