Main control chip: TG7220B
Specifications: 1T1R
Speed: 192M
Interface: UART 、PWM 、ADC
Size: 15*17.3mm (L*W*H)
Working voltage: 3.3V
Wireless standard: 802.11b/g/n+BLE5.0
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 number | pin name | Functional description |
| 1 | 3V3 | Power supply. 3.3V is required |
| 2 | GPIO6 | PWM |
| 3 | GND | Ground connections |
| 4 | GPIO19 | PWM |
| 5 | GPIO25 | UART0_RXD |
| 6 | GPIO14 | PWM |
| 7 | GPIO28 | UART0_TXD |
| 8 | GPIO24 | ADC |
| 9 | GPIO27 | PWM |
| 10 | GPIO12 | I/O reserved |
| 11 | GPIO31 | PWM |
