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  2. ESP8266 - Wikipedia

    en.wikipedia.org/wiki/ESP8266

    SparkFun ESP8266 Thing. The reason for the popularity of many of these boards over the earlier ESP-xx modules is the inclusion of an on-board USB-to-UART bridge (like the Silicon Labs' CP2102 or the WCH CH340G) and a Micro-USB connector, coupled with a 3.3-volt regulator to provide both power to the board and connectivity to the host (software development) computer – commonly referred to as ...

  3. ESP32 - Wikipedia

    en.wikipedia.org/wiki/ESP32

    ESP32 was a series of low-cost, low-power system-on-chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth.The ESP32 series employs either a Tensilica Xtensa LX6 microprocessor in both dual-core and single-core variations, an Xtensa LX7 dual-core microprocessor, or a single-core RISC-V microprocessor and includes built-in antenna switches, RF balun, power amplifier, low-noise ...

  4. NodeMCU - Wikipedia

    en.wikipedia.org/wiki/NodeMCU

    Two months later, the project expanded to include an open-hardware platform when developer Huang R committed the gerber file of an ESP8266 board, named devkit v0.9. [14] Later that month, Tuan PM ported MQTT client library from Contiki to the ESP8266 SoC platform, [ 15 ] and committed to NodeMCU project, then NodeMCU was able to support the ...

  5. Comparison of single-board microcontrollers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_single-board...

    A real ultra-low power board, capable of running of a single AA. The board counts with an efficient step-up regulator (MCP16251) and can be powered from 0.9V. The Whisper Node has a built-in RFM69 long-range sub-GHz radio and 4 Mbit Flash memory. The board can also run from a standard power supply and use the battery as backup.

  6. List of Arduino boards and compatible systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Arduino_boards_and...

    Board for functionality similar to the Arduino Mega 2560. It is embed board, but the same stable, and uses the original chips ATmega2560 (16 MHz). The board used the chip CH340G as converter UART-USB. When working in the frequency 12 MHz, giving a stable result of data exchange (need install drivers to computer).

  7. In-system programming - Wikipedia

    en.wikipedia.org/wiki/In-system_programming

    To put the PIC into programming mode, this line must be in a specified range that varies from PIC to PIC. For 5 V PICs, this is always some amount above V dd , and can be as high as 13.5 V. The 3.3 V only PICs like the 18FJ, 24H, and 33F series use a special signature to enter programming mode and V pp is a digital signal that is either at ...

  8. Background debug mode interface - Wikipedia

    en.wikipedia.org/wiki/Background_debug_mode...

    Depending on the target part, the BDM controller may feature a hardware breakpoint register. The register holds a value indicating an address in memory. When the target part's CPU accesses that location in memory, the BDM hardware can take control of the target part, stop program execution, and begin operating in background mode.

  9. EFI system partition - Wikipedia

    en.wikipedia.org/wiki/EFI_System_partition

    The EFI (Extensible Firmware Interface) system partition or ESP is a partition on a data storage device (usually a hard disk drive or solid-state drive) that is used by computers that have the Unified Extensible Firmware Interface (UEFI). When a computer is booted, UEFI firmware loads files stored on the ESP to start operating systems and ...