Main control chip: TG7100C
Specifications: 1T1R
Speed: 72M
Interface: UART, PWM, ADC, DAC, I2C, SPI, GPIO, SDIO
Size: 15*17.3*0.8mm (L*W*H)
Working voltage: 3.3V
Wireless standard: 802.11b/g/n+BLE5.0
Band width: 2.4G
Working temperature: -45°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

| No | Name | Description |
| 1 | CHIP_EN | Chip cnable pin (active high) |
| 2 | GPI05 | ADC |
| 3 | GPIO0 | PWM |
| 4 | GPI01 | PWM |
| 5 | GPI02 | PWM |
| 6 | GPI04 | PWM |
| 7 | GPI03 | PWM |
| 8 | GPI011 | UARTO_TXD |
| 9 | GPI012 | UARTO_RXD |
| 10 | GND | Ground connections |
| 11 | VCC | Power supply. 3.3V is required |