Preparing The Hardware; Esp-Launcher - Espressif Systems ESP8266 SDK Getting Started Manual

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2.
Depending on whether the ESP-LAUNCHER or the ESP-WROOM-02 is used, users will
need either of the hardware mentioned in Table 2-1 below:

ESP-LAUNCHER

• 1 × ESP-LAUNCHER
• 1 × USB cable
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⚠ Notice:
The ESP8266 Wi-Fi module needs a 3.3V power supply and may draw a minimum current of 500 mA.
2.1. ESP-LAUNCHER
1. Connect PC to the USB-UART interface of ESP-LAUNCHER using the USB cable.
2. Set ESP-LAUNCHER to download mode.
Slide Power Switch towards the outer
•
side as the figure on the right �� shows.
Slide GPIO0 Control towards the inner
•
side to enable ESP-LAUNCHER's
download mode.
⚠ Notice:
J82 must be shorted by a jumper, otherwise
code cannot be downloaded to the board.
Espressif

Preparing the Hardware

Table 2-1. Hardware Preparations
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1 × PC with pre-installed Windows OS
Steps
• 1 × ESP-WROOM-02
• 1 × USB-to-TTL converter (FT232R recommended)
• 6 × Dupont lines
• 1 × soldering tool suite
OR
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USB-UART
USB-serial Cable
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2. Preparing the Hardware
ESP-WROOM-02
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Result
GPIO0 Control Chip Switch
1
Power Switch J82
1
2017.05