ESP32-WROOM-32E vs LM822 比較
詳細並排比較 ESP32-WROOM-32E 由 Espressif Systems 與 LM822 由 LM Technologies. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
LM Technologies
LM822 - 802.11 b/g/n WiFi Module with IC Antenna, USB HCI | LM Technologies
LM822 ✓ 啟用中規格比較
| 參數 | ESP32-WROOM-32E | LM822 |
|---|---|---|
| 品牌 | Espressif Systems | LM Technologies |
| 類別 | RF Modules | RF Modules |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 庫存狀態 | In Stock | — |
| 單價 (USD) | $1.86 | — |
| Core SoC | ESP32-D0WD-V3 | — |
| CPU | Dual-core Xtensa LX6, up to 240 MHz | — |
| SRAM | 520 KB | — |
| ROM | 448 KB | — |
| Wi-Fi Standard | 802.11 b/g/n, 2.4 GHz to 2.5 GHz | — |
| Bluetooth | v4.2 BR/EDR + BLE, Class 1, 2 and 3 | — |
| 供應電壓 | 3.0 V to 3.6 V (typical 3.3 V) | 5 V (USB bus powered) |
| 工作溫度 | -40C to +85C | — |
| Antenna Type | Integrated PCB antenna | — |
| Package Dimensions | 18 x 25.5 x 3.1 mm | — |
| 腳位數 | 38 castellated pads | — |
| 安裝類型 | Surface Mount | — |
| Flash Memory | [DATA_NEEDED: flash size suffix (N4/N8/N16)] | — |
| Peripherals | SPI, I2C, I2S, UART, CAN, PWM, ADC, DAC, touch sensor | — |
| RoHS 狀態 | Compliant | Compliant (per LM Technologies product page) |
| Module Type | — | WiFi 802.11 b/g/n module (WiFi 4) |
| Frequency Band | — | 2.4 GHz ISM band |
| Wireless Standards | — | IEEE 802.11b, 802.11g, 802.11n |
| Maximum Data Rate | — | 150 Mbps (PHY, single stream) |
| Host Interface | — | USB (HCI - Host Controller Interface) |
| Antenna | — | Onboard IC (chip) antenna |
| Modulation | — | BPSK, QPSK, 16-QAM, 64-QAM |
| Encryption / Security | — | WEP, TKIP, AES, WPA, WPA2 |
| 802.11e (QoS) Support | — | Yes - bursting and standards compliance |
| 802.11I (Security) Support | — | Yes |
| OS Driver Support | — | Linux, macOS X, Windows 10 IoT Core, Windows XP to 10, Windows Compact Embedded 6/7 |
| Module Variant Ordering Code (example) | — | LM822-1452 |
| Mounting / Integration | — | Plug-and-play USB dongle-style module |