====== ESP32 Flash Download Tool ======
[[http://uniteng.com/index.php/about-me/|Neil Hao]]

Starts from 2021/Jul/27 to ~~LASTMOD~~ (Last Modification)
===== Overview =====
**News**: Upgraded version with power monitor feature [[esp32:flashdownloader2|ESP32 Flash Download Tool 2]].

{{ :esp32:esp32_flash_download_tool_pcb.png?direct&800 |}}
^ No.       ^ Description        ^
| 1    | Power Indicator     |
| 2    | PTC Resettable Fuse (I hold = 0.5A, I trap = 1A) |
| 3    | USB Type C Socket      | 
| 4    | Silicon Labs CP2102 USB to UART Bridge      |
| **5**    | **EN Button (S2)**      |
| **6**    | **IO0/BOOT Button (S1)**      |
| 7    | Header 2.54mm 2*3P     |
| 8    | Header 2.54mm 1*6P      |
| 9    | Header 2.54mm 1*6P       |
| 10   | Header 2.54mm 1*6P       |

===== Minimum Target Systems =====
==== ESP32­WROOM­32(E/UE) ====
{{ :esp32:esp32_wroom_32_minimum_target_system.png?direct&800 |}}
Note: Do not leave the EN (CHIP_PU) pin floating.
===== Accessories =====
==== Pogo Pin Cable 2.54mm 1*6P ====
{{ :esp32:pogopincable.png?direct&600 |}}
==== Connector Converter ====
This converter can convert from the 2.54mm 1*6P connector to 2.0mm 1*6P, 1.5mm 1*6P and USB Type C style connectors.
{{ :esp32:esp32_connector_converter.jpg?direct&600 |}}
==== Cables ====
{{ :esp32:esp32_cables.jpg?direct&600 |}}
Note: All cables have to be configured in opposite manner.
===== Resource =====
==== Schematics ====
|ESP32 Flash Download Tool|{{ :esp32:esp32downloader_sch.pdf |}}|Version: 07 Aug 2021|
|Connector Converter|{{ :esp32:esp32_connector_converter.pdf |}}|Version: 30 Jul 2021|
==== Datasheets ====
^ Mfr. Part #       ^ Description        ^ Datasheet^
| JK-NSMD050-13.2V   | Surface Mountable PTC Resettable Fuse: JK-nSMD Series  |{{ :esp32:jk-nsmd050-13.2v.pdf |}}   |
| ESP32-WROOM-32 Module   | ESP32 Series Datasheet  |{{ :esp32:esp32_datasheet_en.pdf |}} |

===== Reference =====
[1] ESP32 Auto Downloading Timing Problem (Chinese). Retrieved Jul 27, 2021, from https://zhuanlan.zhihu.com/p/145369083 (Local Mirror: {{ :esp32:esp32autodownloadtiming.pdf |}})