ESP32 Devices

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Hardware – ESP-WROOM-32

ESP32 Development Board WiFi Bluetooth IoT ESP-WROOM-32 Ultra-Low Power Consumption

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WIFI + Bluetooth (ESP-WROOM-32) development board

Cost-effectiveSmall size, easy to embed into any productPowerful, support LWIP protocol, freertosSupport three modes: AP, STA, AP + STA coexistence modeLua programming, allowing you to develop more easilyESP-WROOM-32 is a universal WiFi-BT-BLE MCU module, powerful, versatile.    This module is the core ESP32 chip, with scalable, adaptive features. Two CPU cores can be individually controlled or powered on. The clock frequency can be adjusted from 80 MHz to 240 MHz. The user can cut off the power to the CPU and use low-power coprocessors to constantly monitor the state of the peripheral for changes or whether certain analog values exceed the threshold. ESP32 also integrates a wealth of peripherals, including capacitive touch sensors, Hall sensors, low-noise sense amplifiers, SD card interface, Ethernet interface, high-speed SDIO / SPI, UART, I2S and I2C.     The ESP-WROOM-32 integrates traditional Bluetooth, Bluetooth Low Energy and Wi-Fi for a wide range of uses: Wi-Fi supports a wide range of communication connections, as well as direct connection to the Internet via a router; Bluetooth allows users to connect their phones Or broadcast BLE Beacon for signal detection. The ESP32 chip sleep current is less than 5 A, making it suitable for battery-powered wearable electronic devices. The ESP-WROOM-32 supports data rates up to 150 Mbps and delivers up to 22 dBm output power through a power amplifier for maximum range wireless communication. As a result, the chip has industry-leading specifications and offers the highest performance in terms of high levels of integration, wireless transmission distance, power consumption and network connectivity.    ESP32’s operating system is freeRTOS with LWIP, and built-in TLS 1.2 with hardware acceleration. The chip also supports OTA encryption upgrade, developers can continue to upgrade after the release of the product.

Trouble is there are quite a few dev kit standard layouts.

So far

killed two TTGO LoRa ESP32 devices

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