Description
The HM-10 is a readily available Bluetooth 4.0 module. This module is used for establishing wireless data communication. The module is designed by using the Texas Instruments CC2540 or CC2541 Bluetooth low energy (BLE) System on Chip (SoC). The module design and firmware originated from the Jinan Huamao Technology Company.
HM-10 Pinout
Pin Number | Pin Name | Description |
1 | UART_TX | UART interface-Transmit |
2 | UART_RX | UART interface-Receive |
3 | UART_CTS | UART interface |
4 | UART_RTS | UART interface |
5 | NC | No Connection |
6 | NC | No Connection |
7 | NC | No Connection |
8 | NC | No Connection |
9 | NC | No Connection |
10 | NC | No Connection |
11 | RESETB | Reset if low for 100ms |
12 | VCC | 3.3V |
13 | GND | Ground |
14 | GND | Ground |
15 | USB_D- | USB interface |
16 | NC | No Connection |
17 | NC | No Connection |
18 | NC | No Connection |
19 | NC | No Connection |
20 | USB_D+ | USB interface |
21 | GND | Ground |
22 | GND | Ground |
23 | PIO0 | System Key |
24 | PIO1 | System LED |
25 | PIO2 | Programmable input/output line |
26 | PIO3 | Programmable input/output line |
27 | PIO4 | Programmable input/output line |
28 | PIO5 | Programmable input/output line |
29 | PIO6 | Programmable input/output line |
30 | PIO7 | Programmable input/output line |
31 | PIO8 | Programmable input/output line |
32 | PIO9 | Programmable input/output line |
33 | PIO10 | Programmable input/output line |
34 | PIO11 | Programmable input/output line |
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