Brand HiLetgo Connectivity Technology Wi-Fi Wireless Communication Standard Bluetooth Product Dimensions 2.2"L x 2"W x 0.5"H WeMos D1 R2 version 1 Analog Input pin OTA -- Wireless Upload(Program) On ...

The 150mA is already on the lower side for the ESP8266 itself, which means you cannot draw any significant additional current from the 3.3V line of the Wemos. A few mA will be fine, but by adding f.i.

Electronics is an expensive hobby. You often need to buy expensive hardware to complete a small hobby project. Fortunately, searching will give you a long list of cheap “retired” parts. If you’re sure ...

Immediately after power-on (during led quick test) press & hold button 4 (D4/start button). In the LCD display you should see "enable AP/OTA". The esp is then in wifi "AP" mode, so you cann connect to ...