Technical Specifications
WiSer-USB
WiSer-TTL
Processing Unit
Espressif Systems ESP32-S2 Wireless SoC
Espressif Systems ESP32-S2 Wireless SoC
Wireless Protocol
IEEE 802.11 b/g/n 2.4GHz
IEEE 802.11 b/g/n 2.4GHz
Supported Platforms
Windows, Linux, Mac and Android
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Serial Port
Baud Rate: All standard and custom rates up to 921,600 baud
Data bits: 6-bit, 7-bit, 8-bit
Parity types: NONE, ODD, EVEN, MARK, and SPACE
Stop bits: 1-bit, 1.5-bit, 2-bit
Flow control: software (XON/XOFF), hardware (RTS/CTS), and None
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User Indication
2 red LEDs for RX and TX indication
3 red LEDs for RX, TX and CONN indication
Buttons
FIND-PAIR button: To locate the paired device
BOOT button: for FW upgrade
BOOT button: for FW upgrade
Connectors
USB Type-C male plug: For power supply, serial data communication and firmware upgrade
USB Type-C Female port: For Power supply and firmware upgrade
Power supply Input Pins: To supply power using Jumper cables
Serial Interface Pins:
3V3, TXD, RXD, RTS, CTS, DTR, VCC, GND
(Note: 3V3 and VCC are power supply output pins which can be used to power external boards)
IO Pin tolerances
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Voltage range: 0 to 3.3V
Output Pin Current: 25 mA
Input Pin Current: 50nA
Power Supply
5V @ 500mA
5V @ 500mA
Antenna Type
Omnidirectional chip antenna with 0.5 dBi gain (Peak)
Omnidirectional chip antenna with 0.5 dBi gain (Peak)
Dimensions
With enclosure: 37.8 x 20.4 x 8.2 mm
Without enclosure: 35.8 x 14.4 x 4.7 mm
With enclosure: 36.5 x 38.4 x 9.8 mm
Without enclosure and header pins: 28 x 29 x 4.3 mm
Weight
With enclosure: 4.5 grams
Without enclosure: 1.6 grams
With enclosure: 10.5 grams
Without enclosure: 3.7 grams
Operating Temperature
-40 to 85 °C
-40 to 85 °C
Humidity
< 60% RH (Non-condensing)
< 60% RH (Non-condensing)
Last updated