DESCRIPTION:
ESP32 is already integrated with antenna and RF balun, power amplifier, low noise amplifiers, filters, and the power management module.
The entire solution is the least amount of PCB area. this board is 2.4 GHz dual mode WiFi and bluetooth chips by tsmc 40nm low power technolog..
DESCRIPTION:
ESP-32S Wifi Bluetooth combo module is ultra high performance and ultra low-power consumption Wi-Fi and Bluetooth combo wireless platform based on ESPRESSIF ESP32 chipset. ESP-32S integrates dual-core processor, 448 KByte ROM,520 KByte SRAM,16 KByte SRAM in RTC, 802.11 b/g/n/e/I Wi-F..
DESCRIPTION:
Chip: SIM800L
Voltage: 3.7-4.2V
Support networks: China Mobile, China Unicom and global quad-band network
Module size: 2.5cmx2.3cm
TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232
Power module automatically boot, homing networ..