Main control chip: BK7231N
Specifications: 1T1R
Speed: 54M
Interface: UART, PWM, ADC, DAC, I2C, SPI, GPIO, SDIO
Size: 8.5*12.7mm (L*W*H)
Working voltage: 3.3V
Wireless standard: 802.11b/g/n+BLE5.1
Band width: 2.4G
Working temperature: -20°C to +85°C
Features
■ Support Free RTOS operating system
■ Support STASTA, Soft AP and Sniffer mode
■ Comply with CE/FCC/SRRC electromagnetic compatibility regulations
■ Follow RoHs/REACH environmental protection directives
■ Golden finger package, easy to SMT process
■ Applicable to: smart lighting, smart switches, smart sockets, smart home appliances
Module size chart
Module pin
| pin | name | IO |
|---|---|---|
| 1 | ANT | O |
| 2 | G | P |
| 3 | M4 | I/O |
| 4 | M5 | I/O |
| 5 | M0 | I/O |
| 6 | 3V3 | P |
