Data Sheet

Wireless-Tag Technology Co., Ltd. V1.0.0
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5.4 Peripheral Schematic
This is the typical application circuit of the module connected with peripheral components (for
example, power supply, antenna, reset button, JTAG interface, and UART interface).
Figure 7 Application Circuit
Note:
Soldering the EPAD to the ground of the base board is not a must, though doing so can get
optimized thermal performance. If you do want to solder it, please ensure that you apply the
correct amount of soldering paste.
To ensure the power supply to the ESP32-C3 family chip is stable during power-up, it is
advised to add an RC delay circuit at the EN pin. The recommended setting for the RC delay
circuit is usually R = 10 kΩ and C = 1 µF. However, specific parameters should be adjusted
based on the power-up timing of the module and the power-up and reset sequence timing of
the chip.