---
title: "Esp8266 — $25K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/esp8266"
last_updated: "2026-08-11T19:15:13.237Z"
locale: en
meta:
  description: "Niche score 35/100 · $25K/yr market · 71K searches/yr · $14.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 35/100 · $25K/yr market · 71K searches/yr · $14.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Esp8266 — $25K/yr Amazon US Niche (2026) - Flapen"
---

# **esp8266**

**Skip it**

A small market ($25K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 18Conversion 32Competition 24Returns 80Price range 49Avg price 67Brand share 16Review moat 84Quality gap 50

**Review moat**

**Great****324.85**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Great****1.8%**

return rate — above 5% kills the launch gate

**Avg price**

**Good****$14.06**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$5.70–$23.79**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Okay****2.5%**

search→purchase rate — share of searches ending in a sale

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-14.4%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$25K**

$25K/yr · 71K searches

According to Flapen's Amazon United States niche tracking, esp8266 is a $25K/yr Amazon United States market (71K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Dec. Verdict: Skip it — 35/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **esp8266 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$35K–$42K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#907**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**92%**</dd>

<dt>**Out of stock**</dt><dd>**12.0%**</dd>

<dt>**Avg brand age**</dt><dd>**55 months**</dd>

<dt>**Avg seller age**</dt><dd>**253 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**7 **▼falling

**Sellers**

**8**

**Top-5 brand share**

**94%**

Top 20: 100%

**Top-5 click share**

**71%**

Top 20: 100%

**Open market**

**3%**

- Hosyond34% - HiLetgo31% - ACEIRMC14% - ideaspark10% - FORIOT5% - AITRIP4% - Open — no brand owns it (1 brand, 3%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -14.4% search growth over the last 90 days.

2K2KHoliday '24Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/us/electronics/esp8266/trend)

## **Top esp8266 search terms**

- **esp8266**49K/yr-10.1%2.4% conv. - **nodemcu**6K/yr+4.7%2.0% conv. - **esp8266 wifi module**7K/yr-42.3%3.6% conv. - **nodemcu esp8266**4K/yr-19.3%3.2% conv. - **esp8266 nodemcu**2K/yr-21.6%6.7% conv. - **esp 8266**3K/yr-35.3%2.5% conv. [**All search terms **](https://flapen.com/research/us/electronics/esp8266/search-terms)

## **Top esp8266 products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$3K20%$5K30%$8K40%$10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Hosyond 3Pcs ESP8266 ESP-12E CP2102 NodeMCU Lua Wireless Module Development Board for Arduino IDE/Micropython](https://m.media-amazon.com/images/I/51FZuItnxUL.jpg)**Hosyond 3Pcs ESP8266 ESP-12E CP2102 NodeMCU Lua Wireless Module Development Board for Arduino IDE/Micropython**Hosyond**$13.69**4.4★376 rev](https://www.amazon.com/dp/B09SPWYS4B) [2![HiLetgo 3pcs ESP8266 NodeMCU Lua ESP-12E CP2102 USB C Type-C Interface IOT Internet of Things Wireless WiFi Development Board Module](https://m.media-amazon.com/images/I/51-ImQIHzAL.jpg)**HiLetgo 3pcs ESP8266 NodeMCU Lua ESP-12E CP2102 USB C Type-C Interface IOT Internet of Things Wireless WiFi Development Board Module**HiLetgo**$17.10**4.5★45 rev](https://www.amazon.com/dp/B0CNYJS6V7) [3![ACEIRMC 5pcs ESP8266 ESP-12 ESP-12F NodeMcu Mini D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F for Arduino Compatible with WeMos D1 Mini](https://m.media-amazon.com/images/I/51NbleoPNCL.jpg)**ACEIRMC 5pcs ESP8266 ESP-12 ESP-12F NodeMcu Mini D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F for Arduino Compatible with WeMos D1 Mini**ACEIRMC**$14.61**4.5★776 rev](https://www.amazon.com/dp/B081PX9YFV) [4![NodeMCU ESP8266 Development Board Integrates 0.96 inch OLED Display with Protector Case CH340 ESP-12E WiFi Wireless Module USB Type-C Works for Arduino Micropython(Solder PIN) (Yellow Blue OLED)](https://m.media-amazon.com/images/I/419JwVl-hOL.jpg)**NodeMCU ESP8266 Development Board Integrates 0.96 inch OLED Display with Protector Case CH340 ESP-12E WiFi Wireless Module USB Type-C Works for Arduino Micropython(Solder PIN) (Yellow Blue OLED)**ideaspark**$8.10**5.0★2 rev](https://www.amazon.com/dp/B0FG7S1C6S) [5![HiLetgo 3pcs ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Large)](https://m.media-amazon.com/images/I/51bl11avDFL.jpg)**HiLetgo 3pcs ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Large)**HiLetgo**$16.12**4.6★1,398 rev](https://www.amazon.com/dp/B081CSJV2V)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![NodeMCU ESP8266 Development Board Integrates 0.96 inch OLED Display with Protector Case CH340 ESP-12E WiFi Wireless Module USB Type-C Works for Arduino Micropython(Solder PIN) (Yellow Blue OLED)](https://m.media-amazon.com/images/I/419JwVl-hOL.jpg)**NodeMCU ESP8266 Development Board Integrates 0.96 inch OLED Display with Protector Case CH340 ESP-12E WiFi Wireless Module USB Type-C Works for Arduino Micropython(Solder PIN) (Yellow Blue OLED)**ideaspark**$8.10**2 rev1y ago](https://www.amazon.com/dp/B0FG7S1C6S) [![FORIOT 2Pcs ESP8266 Development Board with 0.96-Inch OLED Color Display Type-C to Serial Port CH340 Driver NodeMCU ESP-12E Module Pin Header Soldered for Ar-DUI-no IDE](https://m.media-amazon.com/images/I/51fqh+GhctL.jpg)**FORIOT 2Pcs ESP8266 Development Board with 0.96-Inch OLED Color Display Type-C to Serial Port CH340 Driver NodeMCU ESP-12E Module Pin Header Soldered for Ar-DUI-no IDE**FORIOT**$16.41**24 rev1y ago](https://www.amazon.com/dp/B0F5QF67NJ) [![YEJMKJ ESP8266 Development Board ESP-12F Mini D1 Module 4M Bytes WiFi](https://m.media-amazon.com/images/I/41aFkrBCZkL.jpg)**YEJMKJ ESP8266 Development Board ESP-12F Mini D1 Module 4M Bytes WiFi**YEJMKJ**$5.70**5 rev2y ago](https://www.amazon.com/dp/B0CRRMZBCB) [![HiLetgo 3pcs ESP8266 NodeMCU Lua ESP-12E CP2102 USB C Type-C Interface IOT Internet of Things Wireless WiFi Development Board Module](https://m.media-amazon.com/images/I/51-ImQIHzAL.jpg)**HiLetgo 3pcs ESP8266 NodeMCU Lua ESP-12E CP2102 USB C Type-C Interface IOT Internet of Things Wireless WiFi Development Board Module**HiLetgo**$17.10**45 rev2y ago](https://www.amazon.com/dp/B0CNYJS6V7) [![NodeMCU ESP8266 Development Board with 0.96 Inch OLED Display CH340 Driver ESP-12E WiFi Wireless Module and Micro USB Works Great for Arduino IDE/Micropython Programming (Pin Header Soldered)](https://m.media-amazon.com/images/I/515-iEAKCfL.jpg)**NodeMCU ESP8266 Development Board with 0.96 Inch OLED Display CH340 Driver ESP-12E WiFi Wireless Module and Micro USB Works Great for Arduino IDE/Micropython Programming (Pin Header Soldered)**ideaspark**$11.15**61 rev3y ago](https://www.amazon.com/dp/B0BVM3H46B)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![NodeMCU ESP8266 Development Board Integrates 0.96 inch OLED Display with Protector Case CH340 ESP-12E WiFi Wireless Module USB Type-C Works for Arduino Micropython(Solder PIN) (Yellow Blue OLED)](https://m.media-amazon.com/images/I/419JwVl-hOL.jpg)**NodeMCU ESP8266 Development Board Integrates 0.96 inch OLED Display with Protector Case CH340 ESP-12E WiFi Wireless Module USB Type-C Works for Arduino Micropython(Solder PIN) (Yellow Blue OLED)**ideaspark**$8.10**5.0★**▲ 171%**](https://www.amazon.com/dp/B0FG7S1C6S) [![YEJMKJ ESP8266 Development Board ESP-12F Mini D1 Module 4M Bytes WiFi](https://m.media-amazon.com/images/I/41aFkrBCZkL.jpg)**YEJMKJ ESP8266 Development Board ESP-12F Mini D1 Module 4M Bytes WiFi**YEJMKJ**$5.70**4.2★**▲ 72%**](https://www.amazon.com/dp/B0CRRMZBCB) [![Hosyond 3Pcs ESP8266 ESP-12E CP2102 NodeMCU Lua Wireless Module Development Board for Arduino IDE/Micropython](https://m.media-amazon.com/images/I/51FZuItnxUL.jpg)**Hosyond 3Pcs ESP8266 ESP-12E CP2102 NodeMCU Lua Wireless Module Development Board for Arduino IDE/Micropython**Hosyond**$13.69**4.4★**▲ 47%**](https://www.amazon.com/dp/B09SPWYS4B) [![HiLetgo 2pcs ESP8266 NodeMCU CP2102 ESP-12E Development Board (Wi-Fi USB) - Arduino Compatible 1MB RAM 80MHz CPU 1M Flash 2 Boards](https://m.media-amazon.com/images/I/516W5NawAGL.jpg)**HiLetgo 2pcs ESP8266 NodeMCU CP2102 ESP-12E Development Board (Wi-Fi USB) - Arduino Compatible 1MB RAM 80MHz CPU 1M Flash 2 Boards**HiLetgo**$12.81**4.6★**▲ 37%**](https://www.amazon.com/dp/B010N1SPRK) [![HiLetgo 3pcs ESP8266 ESP-01 Serial WiFi Wireless Transceiver Wireless Module Development Board LWIP AP+STA Compatible with Arduino](https://m.media-amazon.com/images/I/51FMS4oOVOL.jpg)**HiLetgo 3pcs ESP8266 ESP-01 Serial WiFi Wireless Transceiver Wireless Module Development Board LWIP AP+STA Compatible with Arduino**HiLetgo**$9.05**4.2★**— 10%**](https://www.amazon.com/dp/B010N1ROQS)

**~~View all trending →~~**

## **What buyers say about esp8266**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**16%

*“Great value for money”*

**Connectivity-Overall**15%

*“The connectivity has been great”*

**Compatibility-Overall**13%

*“compatability and updated product”*

**Design-Overall**13%

*“Works amazing and love the built in oled”*

**Advertised Vs Actual Product**10%

*“works like a charm”*

**Ease Of Use**10%

*“easy to use after”*

**Quality-Overall**8%

*“Great quality”*

**Weight Light**5%

*“Great for lightweight projects”*

**Assembly/Installation**3%

*“the Arduino IDE setup was not bad at all even for someone who is not super deep into embedded stuff”*

**Durability**3%

*“running for about a month now with no issues”*

### **What buyers complain about **

**Defective Material/Parts**25%

*“Worst item, did not even work and seller would even give a refund”*

**Advertised Vs Actual Product**13%

*“Cons: Their branding is very inconsistent”*

**Functionality-Overall**13%

*“- neither worked”*

**Quality-Overall**13%

*“I should expect better quality than that”*

**Instructions/User Manual/Troubleshooting**13%

*“Initially I was not able to upload a sketch to the device”*

**Size-Overall**6%

*“They are tiny”*

### **Top return reasons **

**Functionality-Overall**24%

**Compatibility-Overall**17%

**Advertised Vs Actual Product**16%

**Value For Money**10%

**Size-Overall**7%

**Defective Material/Parts**6%

**Constant Reboot Or Restart**4%

**Connectivity-Overall**4%

**Add-Ons/Attachments**2%

**Touch Screen**2%

## **Common questions**

<dl>

<dt>**Is esp8266 profitable to sell on Amazon United States?**</dt><dd>The niche generates $25K/yr across 13 tracked products. 90-day search growth is -14.4%. Flapen's verdict: Skip it (35/100).</dd>

<dt>**How competitive is the esp8266 niche?**</dt><dd>7 brands and 8 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 94% of demand.</dd>

<dt>**What do buyers complain about in esp8266?**</dt><dd>Top complaints mined from reviews: Defective Material/Parts, Advertised Vs Actual Product, Functionality-Overall. The return rate is 1.8%.</dd>

<dt>**When does demand for esp8266 peak?**</dt><dd>Demand peaks in Dec; the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the esp8266 niche?**</dt><dd>Listings span $5.70–$23.79; the average listing price is $14.06 (sweet spot $15–$100). The average incumbent carries 325 reviews — the moat a new listing must climb.</dd>

</dl>

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