micro:bit vs STM32:Which is more popular?
In October 2026, micro:bit had more branded searches than STM32 among development board brands worldwide. micro:bit had about 823,000 branded searches, while STM32 had 110,000. micro:bit made up 19% of all development board brand searches we track, and STM32 accounted for 2.5%. When we asked ChatGPT and Google AI Overviews about development board brands, neither micro:bit nor STM32 appeared in any of the five answers.
Who do people search for more?
micro:bit, about 7 searches for every 1 for STM32
Who does AI mention more?
Both were mentioned in 0 of 5 answers.
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Top development board brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, neither micro:bit nor STM32 showed up in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Raspberry Pi5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Arduino4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Espressif3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
SparkFun1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
BeagleBone1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers- micro:bit0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
STM320 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Seeed Studio0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Adafruit0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Teensy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about development board brands
5 answers
Asked ChatGPT
“Which microcontroller board should I start with?”
Asked ChatGPT
“What are the best alternatives to Raspberry Pi?”
Asked ChatGPT
“What's the best development board for electronics projects?”
Searched Google, AI Overview
“microcontroller”
Searched Google, AI Overview
“single board computer”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 27, 2026.
Is micro:bit or STM32 more popular in search?
This chart shows how often people search Google for micro:bit and STM32 by name. Each line represents a brand's share of searches for all ten development board brands we track, month by month, from English-language searches worldwide.
Share of searches by month for micro:bit, STM32. The figures are in the table below the chart.
View monthly share of searches table
| Month | Raspberry Pi | Arduino | Espressif | micro:bit | STM32 | Seeed Studio | Adafruit | SparkFun | Teensy | BeagleBone |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 25.8% | 29.4% | 14.4% | 24.1% | 2.6% | 0.7% | 1.8% | 0.53% | 0.44% | 0.24% |
| Dec 2025 | 30.5% | 28.7% | 14.3% | 19.3% | 3.2% | 0.82% | 1.7% | 0.64% | 0.52% | 0.28% |
| Jan 2026 | 32.5% | 25.1% | 15.3% | 20.7% | 2.8% | 0.73% | 1.5% | 0.68% | 0.45% | 0.25% |
| Feb 2026 | 27.8% | 26.2% | 13.1% | 26.2% | 2.9% | 0.76% | 1.6% | 0.58% | 0.48% | 0.26% |
| Mar 2026 | 31% | 24% | 14.4% | 24% | 2.6% | 0.84% | 1.8% | 0.65% | 0.43% | 0.29% |
| Apr 2026 | 27.4% | 25.5% | 15.3% | 25.5% | 2.8% | 0.75% | 1.5% | 0.57% | 0.38% | 0.25% |
| May 2026 | 27.4% | 25.5% | 15.3% | 25.5% | 2.8% | 0.9% | 1.5% | 0.57% | 0.38% | 0.25% |
| Jun 2026 | 30.4% | 23.3% | 17% | 23.3% | 2.6% | 0.82% | 1.4% | 0.51% | 0.42% | 0.23% |
| Jul 2026 | 31.5% | 23.6% | 20.7% | 15.8% | 3.9% | 1.2% | 1.7% | 0.64% | 0.52% | 0.28% |
| Aug 2026 | 31.5% | 24.2% | 21.2% | 16.1% | 3.2% | 1% | 1.5% | 0.53% | 0.43% | 0.29% |
| Sep 2026 | 27.8% | 25.9% | 18.7% | 21.3% | 2.8% | 0.92% | 1.3% | 0.57% | 0.38% | 0.26% |
| Oct 2026 | 31.3% | 23.1% | 20.2% | 19% | 2.5% | 1.5% | 1.1% | 0.51% | 0.42% | 0.23% |
How has branded search for micro:bit and STM32 changed worldwide over the last 12 months?
3 findings
- micro:bit was ahead of STM32 in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, micro:bit’s share of searches among development board brands worldwide moved from 24.1% to 19%, and its estimated monthly branded searches moved from 1M to 823K.
- Across the 12 months ending October 2026, STM32’s share of searches among development board brands worldwide moved from 2.6% to 2.5%, and its estimated monthly branded searches held steady at 110K.
How did search popularity change for development board brands worldwide in October 2026?
3 changes
In October 2026, Espressif overtook micro:bit to rank 3rd among development board brands worldwide, with 20.2% of the searches.
In October 2026, micro:bit lost share of searches among development board brands worldwide, from 21.3% to 19%.
STM32’s share of searches among development board brands worldwide has lost ground for 3 months in a row, from 3.9% to 2.5% in October 2026.
How are micro:bit’s and STM32’s branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using micro:bit’s and STM32’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among development board brands
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