AC/DC power supply ESP32 WIFI Bluetooth BLE single-channel Dual-channel 4-channel Relay Module ESP32 Development Board
$18.99
AC/DC power supply ESP32 WIFI Bluetooth BLE single-channel Dual-channel 4-channel Relay Module ESP32 Development Board

AC/DC power supply ESP32 WIFI Bluetooth BLE single-channel Dual-channel 4-channel Relay Module ESP32 Development Board

availability:In stock

Shipping: Free Airmail
Dispatch: Ships within 2-5 business days
Estimated Delivery: Between

$18.99

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Product Description

Feature:
1. Onboard stable ESP32-WROOM-32E module, large capacity 4M Byte Flash
2. The I/O port and UART program download port of the ESP32 module are all led out, which is convenient for secondary development
3. Onboard AC-DC switching power supply module, power supply mode supports AC90-250V
4. Onboard ESP32 module RST reset button and IO0 programmable button
5.ESP32 supports the use of ARDUINOIDE development tools and provides reference programs
6. On-board 1-way 5V relay, output switch signal, suitable for controlling loads with working voltage within AC90-250V
7. Onboard power indicator, 1 programmable LED and relay indicator
Interface:


Burning port: GND, RX, TX, 5V of ESP32 are connected to GND, TX, RX, 5V of external TTL serial port module respectively. IO0 needs to be connected to GND when downloading. After downloading, disconnect the connection between IO0 and GND.
Relay output:
NC: Normally closed terminal, the relay is short-circuited with COM before closing, and it is left floating after closing
COM: Common
NO: Normally open, the relay is suspended before closing, and short-circuited with COM after closing
Package includes:
1 x Relay module with pins

More Detailed Photos:

AC/DC power supply ESP32 WIFI Bluetooth BLE single-channel Dual-channel 4-channel Relay Module ESP32 Development Board
AC/DC power supply ESP32 WIFI Bluetooth BLE single-channel Dual-channel 4-channel Relay Module ESP32 Development Board
AC/DC power supply ESP32 WIFI Bluetooth BLE single-channel Dual-channel 4-channel Relay Module ESP32 Development Board

Additional Information

When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:

Airmail and Airmail Registered Area Time
United States, Canada 10-25 business days
Australia, New Zealand, Singapore 10-25 business days
United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
Italy, Brazil, Russia 10-45 business days
Other countries 10-35 business days
Expedited Shipping 7-15 business days to Worldwide

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