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Standard: 9-15 business days，fee is down to $3.99
Express: 4-7 business days，fee is down to $5.99
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Expect customization orders.The ESP8266 ESP-01 Adapter is used for easier interfacing with the ESP8266 ESP-01 WiFi modules that can be used for wireless communications.
Note that this is the adapter only. If you need the actual ESP-01+ WiFi module, they can be ordered down below.
The ESP8266 ESP-01 are WiFi modules that can be used for wireless communications. They operate at 3.3V for power and require up to 170mA of current.
If you are using the ESP-01 with a 5V MCU, the current requirements are outside what an Arduino or similar MCU can supply directly from their small on-board 3.3V regulator. This adapter can be powered off of 5V-12V and supplies well regulated 3.3V to the ESP-01 socket.
It also provides level shifting for the TX/RX lines which is necessary for the safe operation of this module with a 5V MCU since the I/O of the ESP-01 is not 5V tolerant.
The adapter also provides 3.3V to the CH_PD pin. The RST pin is left floating which is normal.
The module has a 4-pin header:
1 x 4 Header (male)
The adapter has a 2×4-pin female header that mates with the ESP-01 module. Be sure to observe proper orientation when inserting the module into the adapter as shown on the silkscreen.
These modules work well and make interfacing with the ESP8266 ESP-01 easier and less prone to issues with poor power supply regulation which is the main issue users run into when working with this module.
The level shifting uses MOSFET transistors and is a nice feature. For more detailed information on the ESP8266 ESP-01+ modules in general, checkout the module product page below.
Notes:
| Operating Ratings | ||
| Vcc | Input Range | 5 to 12V (5V Typical) |
| Vcc | Output to female header | 3.3V |
| Imax | without Module attached | <4mA |
| Dimensions | L x W (PCB) | 42mm x 24mm (1.65 x 0.95″) |
| Country of Origin | China | |
| Datasheets | Voltage regulator IC | LD1117v33 |
WE'RE READY TO BUILD A CUSTOM PRODUCT FOR YOU.
All orders are dispatched from our warehouse. The shipments are fully tracked—from our door to yours. Please allow 3-5 business days for your order to be processed in addition to the shipping times below.
Standard: 9-15 business days. Express: 4-7 business days.
Please note that shipping providers are extremely busy during this time, and some orders might experience a delay on top of usual delivery times. If your order is late, please allow 5-10 days more than indicated in standard shipping times before contacting our customer service. Thank you for your understanding.
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