ESP8266 ESP32 ESP-WROOM-32 ESP32S To Wifi Wlan BLE WiFi Module+Adapter Board
Wi-fi |
802.11 b/g/n/e/i |
---|---|
802.11 n (2.4 GHz), up to 150 Mbps | |
802.11 e: QoS for wireless multimedia technology | |
WMM-PS, UAPSD | |
A-MPDU and A-MSDU aggregation | |
Block ACK | |
Fragmentation and defragmentation | |
Automatic Beacon monitoring/scanning | |
802.11 i security features: pre-authentication and TSN | |
Wi-Fi Protected Access (WPA)/WPA2/WPA2-Enterprise/Wi-Fi Protected Setup (WPS) | |
Infrastructure BSS Station mode/SoftAP mode | |
Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management | |
UMA compliant and certified | |
Antenna diversity and selection | |
Compliant with Bluetooth v4.2 BR/EDR and BLE specification | |
Bluetooth |
Class-1, class-2 and class-3 transmitter without external power amplifier |
Enhanced power control | |
+10 dBm transmitting power | |
NZIF receiver with -98 dBm sensitivity | |
Adaptive Frequency Hopping (AFH) | |
Standard HCI based on SDIO/SPI/UART | |
High speed UART HCI, up to 4 Mbps | |
BT 4.2 controller and host stack | |
Service Discover Protocol (SDP) | |
General Access Profile (GAP) | |
Security Manage Protocol (SMP) | |
Bluetooth Low Energy (BLE) | |
ATT/GATT | |
HID | |
All GATT-based profile supported | |
SPP-Like GATT-based profile | |
BLE Beacon | |
A2DP/AVRCP/SPP, HSP/HFP, RFCOMM | |
CVSD and SBC for audio codec | |
Bluetooth Piconet and Scatternet |
ESP32 vs ESP8266:
ESP32 | ESP8266 |
---|---|
Ethernet MAC Interface | Nicht vorhanden |
GPIOs für 10 Touch-Sensoren | Nicht vorhanden |
Temperatur-Sensor (on-chip) | Nicht vorhanden |
Remote-Controller-Funktionalität | Nicht vorhanden |
Hall-Sensor | Nicht vorhanden |
Digital-to-Analog Converter (DAC) | Nicht vorhanden |
CAN 2.0 | Nicht vorhanden |
Analog-to-Digital Converter (ADC): 16 Kanäle mit 12-Bit SAR-ADC mit Unterstützung für einen Low-Noise Amplifier (LNA) |
10-bit ADC, kein LNA |
2 I2C-Schnittstellen | 1 I2C-Schnittstelle |
16 Kanäle für PWM | 8 Kanäle für PWM |
GPIOs (General-Purpose Input/Output): 36 | GPIOs: 17 |
4 SPI-Schnittstellen mit Quad-SPI und maximal 80 MHz | 3 SPI-Schnittstellen mit Quad-SPI und maximal 80 MHz |
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