Welcome to my shop: Description: It is a Downloader for ESP-WROOM-32 ESP-32 WIFI Wireless Module.It has output all GPIO ports for user debugging. Feature: 1>.Super simple operation 2>.Repeatedly used 3>.Chip clip fixing Parameter: Work Voltage:DC 5V Receiver Indicator:Yes Transmitter Indicator:Yes Power Indicator:Yes Downloading Indicator:Yes Suitable model:ESP-WROOM-32, ESP-WROOM-32D, ESP-WROOM-32U, ESP32-SOLO-1 Work Temperature:-25~85 Work Humidity:5%~95%RH Size:51*50*15mm Use Steps: 1>.Install CP2102 UART Driver Software on PC. 2>.Download FLASH tool 'ESP FLASH DOWN LOAD TOOL'. 3>.Insert ESP-WROOM-32 or ESP-WROOM-32D or ESP-WROOM-32U or ESP32-SOLO-1 on Module. 4>.Connect module to PC by USB cable. 5>.Download automatically: 5.1>.Open FLASH download tool. 5.2>.Set software parameters. 5.3>.Click START button on software to download firmware. 6>.Manual download: 6.1>.Open FLASH download tool. 6.2>.Set software parameters. 6.3>.Keep press PROG button about 5second. Package: 1pcs Downloader Tester Shield for ESP-WROOM-32 Note: 1>.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2>.Please allow slight dimension difference due to different manual measurement. About this item It is a Downloader for ESP-WROOM-32 ESP-32 WIFI Wireless Module.It has output all GPIO ports for user debugging. Use Steps:Install CP2102 UART Driver Software on PC.Download FLASH tool 'ESP FLASH DOWN LOAD TOOL'.Insert ESP-WROOM-32 or ESP-WROOM-32D or ESP-WROOM-32U or ESP32-SOLO-1 on Module.Connect module to PC by USB cable. Download automatically:Open FLASH download tool.Set software parameters.Click START button on software to download firmware. Manual download:Open FLASH download tool.Set software parameters.Keep press PROG button about 5second.Then short press Reset button.Click START button on software to download firmware. Chip clip fixing, Repeatedly used, Super simple operation.Suitable model:ESP-WROOM-32, ESP-WROOM-32D, ESP-WROOM-32U, ESP32-SOLO-1 It is a Downloader for ESP-WROOM-32 ESP-32 WIFI Wireless Module.It has output all GPIO ports for user debugging. Use Steps:Install CP2102 UART Driver Software on PC.Download FLASH tool 'ESP FLASH DOWN LOAD TOOL'.Insert ESP-WROOM-32 or ESP-WROOM-32D or ESP-WROOM-32U or ESP32-SOLO-1 on Module.Connect module to PC by USB cable. Download automatically:Open FLASH download tool.Set software parameters.Click START button on software to download firmware. Manual download:Open FLASH download tool.Set software parameters.Keep press PROG button about 5second.Then short press Reset button.Click START button on software to download firmware. Chip clip fixing, Repeatedly used, Super simple operation.Suitable model:ESP-WROOM-32, ESP-WROOM-32D, ESP-WROOM-32U, ESP32-SOLO-1