Specification:
Power supply voltage: DC3.6V~5V input
Onboard 18650 battery holder and charging circuit
The maximum charging current of the battery is 0.5A
The battery can be charged and discharged simultaneously
WI-FI protocol: 802.11B/GN/D/E/K/R (802.11N, speed up to 150MBPS), aggregation of A-MPDU and A-MsDU, supporting 0.4US protection interval
WiFi standard: FCC/CE/TELEO/KCC frequency range: 2.4-2.5GHz
Bluetooth-compatible protocol: compliant with Bluetooth-compatible V4.2BR/EDR and BLE standards
Bluetooth-compatible audio: CVSD and SBC audio
On board 0.96 inch OLED screen
Onboard red, green, and blue indicator lights
Product size: 115 * 30 * 15mm/4.52 * 1.18 * 0.59inch
Product function:
1. Connect the computer to upload the program: Connect the computer to download the program through a USB cable. Note: You need to keep pressing and holding the BOOT key while downloading the program
2. Battery connection: Place the 18650 battery into the module battery holder, which can be powered by the battery or charged through a USB port
Red LED: Does not light up when charging the battery, remains on when it is about to be fully charged, and remains on when it is fully charged. Always on when not connected to battery, only connected to USB power supply
Green LED: Always on when charging the battery, always on when it is about to be fully charged, and slightly flashing when fully charged
Blue LED: IO16 signal light
Dip switch: When the switch is turned to ON, the module enters the working state. When the switch is turned to OFF, the module exits the working state (the battery charging circuit is not affected by this switch)
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
Package Content:1 x Module
