stm32
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Review moat
Incredible50.43avg incumbent reviews — the moat a new listing must climb
Returns
Great1.5%return rate — above 5% kills the launch gate
Avg price
Great$18.54avg listing price — sweet spot $15–$100
Price range
Good$7.18–$28.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-3.6%90-day search growth — must beat 0% to launch
Competition
Bad74%top-5 click share — a locked-up shelf
Market size
Bad$53K$53K/yr · 95K searches
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, stm32 is a $53K/yr Amazon United States market (95K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 40/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
stm32 market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $37K–$46K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #927
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 0.0%
- Avg brand age
- 48 months
- Avg seller age
- 202 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 rising
Sellers
28
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
0%
- STMicroelectronics60%
- HiLetgo14%
- EC Buying11%
- ALMOCN9%
- hiBCTR4%
- Shutao2%
- Open — no brand owns it (0%)
Demand
Weekly Amazon search volume, last 42 weeks — -3.6% search growth over the last 90 days.Top stm32 search terms
- stm3260K/yr
- stm32 nucleo11K/yr
- stm32 development board11K/yr
- stm32f43K/yr
- nucleo3K/yr
- stm32 microcontroller3K/yr
- stm32 blue pill3K/yr
Top stm32 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
STM32 Nucleo Development Board with STM32F446RE MCU NUCLEO-F446RE
STMicroelectronics$28.974.7★196 rev
STM32 Nucleo-64 Development Board with STM32L476RG MCU NUCLEO-L476RG
STMicroelectronics$26.744.6★81 rev
HiLetgo 2pcs STM32F103C8T6 ARM STM32 Minimum System Development Board Module STM32F103C8T6 Core Learning Board for Arduino
HiLetgo$9.474.2★101 rev
EC Buying 2Pcs STM32F411CEU6 Development Board STM32F4 Core STM32F411CEU6 Module System Board Learning Board 100Mhz Freq 128KB RAM 512KB ROM for Programming
EC Buying$15.804.7★29 rev
2PCS STM32F103C8T6 ARM STM32 Minimum System Development Board STM32F103C8T6 Core Learning Board + 1PCS ST-Link V2 Emulator Downloader Programmer Random Color
ALMOCN$13.714.0★54 rev
Newest
by launch date
hiBCTR 4-Piece Set of STM32F103C8T6 ARM STM32 Minimum System Development Board Modules STM32F103C8T6 Core Learning Boards
hiBCTR$13.222 rev
EC Buying 2Pcs STM32F411CEU6 Development Board STM32F4 Core STM32F411CEU6 Module System Board Learning Board 100Mhz Freq 128KB RAM 512KB ROM for Programming
EC Buying$15.8029 rev
EC Buying STM32H723ZGT6 STM32 Core Board STM32H723 Development Board 550MHz 1MB Flash Type C SPI IO STM32H723 Core Board System Learning Board
EC Buying$19.6631 rev
ALMOCN STM32F103C8T6 ARM STM32 Minimum System Development Board + ST-Link V2 Emulator Downloader Programmer + FT232RL FTDI Adapter Module with Micro USB Cable Mini USB Cable
ALMOCN$9.507 rev
2PCS STM32F103C8T6 ARM STM32 Minimum System Development Board STM32F103C8T6 Core Learning Board + 1PCS ST-Link V2 Emulator Downloader Programmer Random Color
ALMOCN$13.7154 rev
Trending
90-day click momentumALMOCN STM32F103C8T6 ARM STM32 Minimum System Development Board + ST-Link V2 Emulator Downloader Programmer + FT232RL FTDI Adapter Module with Micro USB Cable Mini USB Cable
ALMOCN$9.504.0★
NUCLEO-F411RE STM32 Nucleo-64 Development Board with STM32F411RE MCU Supports Arduino and ST Morpho connectivity
STMicroelectronics$27.604.6★
hiBCTR 4-Piece Set of STM32F103C8T6 ARM STM32 Minimum System Development Board Modules STM32F103C8T6 Core Learning Boards
hiBCTR$13.225.0★
STM32 Nucleo-64 Development Board with STM32L476RG MCU NUCLEO-L476RG
STMicroelectronics$26.744.6★
EC Buying 2Pcs STM32F411CEU6 Development Board STM32F4 Core STM32F411CEU6 Module System Board Learning Board 100Mhz Freq 128KB RAM 512KB ROM for Programming
EC Buying$15.804.7★
What buyers say about stm32
What buyers praise and complain about, mined from review topics.What buyers love
“The boards are high quality”
“Flexible Expansion with Arduino Compatibility”
“Powerful little board”
“Works well”
“ease of use”
“Using it for custom-made computer peripheral - works great”
“flash software is well rewarded by the exciting”
“fulfilling blinking of this NUCLEO board's multicolor LED”
“I didnt need to buy any extra hardware—just plug in USB”
“For low-powered, battery-based projects, its a good choice”
What buyers complain about
“I was only able to connect to these with the older STM32 ST-LINK Utility”
“50% defective rate doesn't seem very good to me”
“Not sure what the negative reviews are about”
Top return reasons
Common questions
- Is stm32 profitable to sell on Amazon United States?
- The niche generates $53K/yr across 14 tracked products. 90-day search growth is -3.6%. Flapen's verdict: Skip it (40/100).
- How competitive is the stm32 niche?
- 6 brands and 28 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in stm32?
- Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Quality-Overall. The return rate is 1.5%.
- What does it cost to enter the stm32 niche?
- Listings span $7.18–$28.97; the average listing price is $18.54 (sweet spot $15–$100). The average incumbent carries 50 reviews — the moat a new listing must climb.