Questions tagged [esp8266]
The ESP8266 is a low-cost Wi-Fi chip/module with UART connections and a built-in TCP/IP stack. It has an Xtensa single-core 32-bit L106 MCU, usually running at 80 MHz.
1,048 questions
4 votes
4 answers
303 views
ESP8266: Is there ever a good reason to use the reset pin?
As I understand it, the ESP8266 can be reset by pulling either the Reset pin or the Enable pin to 0V. Holding either pin at 0V will keep the ESP in reset indefinitely. In addition, holding Enable at ...
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0 votes
2 answers
80 views
Identifying the wire antenna used in Shelly RGBW2
I'm trying to identify the type and specifications of the wire antenna used in the Shelly RGBW2 device. Could someone help me determine its type, length, material, and suggest where I might be able to ...
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0 votes
0 answers
76 views
ESP01S with HT7333 and KA75330
I am running an ESP-01S with a 3.7V 18650 battery. To do this, I am using a 3.3V voltage regulator. When the battery power decreases, the voltage also drops, and when it reaches around 3.42V, the ...
1 vote
1 answer
77 views
30n06 mosfet and Lolin D1 Mini (esp8266)
I'm pretty new to electronics, and just kinda learning how things work and trying to teach myself for the most part, but I've run in to a problem that I can't solve myself. What I'd like to do is turn ...
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0 votes
1 answer
88 views
How to prevent loss of current in WS2811 addressable LEDs
I am currently trying to control 300 WS2811 LEDs with an ESP8266. The software side of the project is fine. However, the LEDs towards the end of the strip are not receiving enough power (turning red ...
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0 votes
0 answers
100 views
G3MB-202P driven by BSS138 driven by ESP8266 barely moves 40 W fan
I use BSS138 to shift the output voltage of ESP8266 up to 5 V. Then the output is sent to the input pins of G3MB-202P. When I turn on D4/D7/D8 pin, voltage appears on screw connectors, but it barely ...
- 103
1 vote
2 answers
105 views
Can a 200 mAh 1C Li-ion pouch battery handle 500 mA draw spikes?
I am running a ESP8266 with a 400 mAh Li-ion pouch battery through a 3.3 V regulator. I need a smaller battery to save space inside my device case. From my measurements, the overall current draw is ...
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2 votes
2 answers
244 views
Simple UPS for Microcontroller
Without regard to protection from draining the battery, for example if power outages were only a few seconds, can anyone see any problems with this simple design for supplying a low demand ...
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