IoT & Communication
ESP-01 WiFi Module
$3.20
In Stock (55 units)Voltage: 3.3VProtocol: UART (AT commands)Connectivity: USB Type-B
The ESP-01 adds WiFi to any Arduino via AT commands over UART — small enough for space-constrained robot builds.
Quantity:
Technical Specifications
Voltage
3.3V (use level shifter with 5V Arduinos)
WiFi
802.11 b/g/n
Interface
UART (AT commands)
Size
14 × 25 mm