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boards: add Arduino Nano ESP32 board#21656

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gschorcht merged 1 commit intoRIOT-OS:masterfrom
gschorcht:boards/arduino-nano-esp32
Aug 14, 2025
Merged

boards: add Arduino Nano ESP32 board#21656
gschorcht merged 1 commit intoRIOT-OS:masterfrom
gschorcht:boards/arduino-nano-esp32

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@gschorcht gschorcht commented Aug 11, 2025 •
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Contribution description

This PR adds the board definition for the Arduino Nano ESP32 board, an ESP32-S3 board in Arduino Nano format.

Testing procedure

Basic tests for the board should work. The following tests have already been executed:

Shell 
main(): This is RIOT! (Version: 2025.10-devel-111-g12a65-boards/arduino-nano-esp32)
test_shell.
> help
Command              Description
---------------------------------------
bufsize              Get the shell's buffer size
start_test           starts a test
end_test             ends a test
echo                 prints the input command
empty                print nothing on command
periodic             periodically print command
xfa_test1            xfa test command 1
xfa_test2            xfa test command 2
app_metadata         Returns application metadata
pm                   interact with layered PM subsystem
ps                   Prints information about running threads.
version              Prints current RIOT_VERSION
reboot               Reboot the node
> 
> version
2025.10-devel-111-g12a65-boards/arduino-nano-esp32
>
ADC when periph_i2c is used, ADC_LINE(3) pulled to Vcc 
ADC_LINE(0): 11  46  179  693    -1    -1
ADC_LINE(1): 11  44  171  663    -1    -1
ADC_LINE(2): 10  38  150  575    -1    -1
ADC_LINE(3): 63 255 1023 4095    -1    -1

ADC_LINE(0): 11  46  178  684    -1    -1
ADC_LINE(1): 11  43  168  649    -1    -1
ADC_LINE(2):  9  37  145  553    -1    -1
ADC_LINE(3): 63 255 1023 4095    -1    -1
ADC when periph_i2c is not used, ADC_LINE(3) pulled to Vcc 
ADC_LINE(0): 12  46  181  694    -1    -1
ADC_LINE(1): 11  45  174  677    -1    -1
ADC_LINE(2): 10  38  150  582    -1    -1
ADC_LINE(3): 63 255 1023 4095    -1    -1
ADC_LINE(4):  8  33  123  455    -1    -1
ADC_LINE(5):  9  35  134  493    -1    -1
ADC_LINE(6): 10  38  145  526    -1    -1
ADC_LINE(7):  3  14   52  126    -1    -1

ADC_LINE(0): 12  46  180  698    -1    -1
ADC_LINE(1): 11  45  175  681    -1    -1
ADC_LINE(2): 10  38  149  575    -1    -1
ADC_LINE(3): 63 255 1023 4095    -1    -1
ADC_LINE(4):  9  33  125  468    -1    -1
ADC_LINE(5):  9  35  134  490    -1    -1
ADC_LINE(6): 10  38  145  527    -1    -1
ADC_LINE(7):  3  13   49  118    -1    -1
I2C with VCNL4010 
main(): This is RIOT! (Version: 2025.10-devel-111-g12a65-boards/arduino-nano-esp32)
VCNL40X0 test application

+------------Initializing------------+
Initialization successful


+--------Starting Measurements--------+
Proximity [cts]: 1985
Ambient light [cts]: 1024
Illuminance [lx]: 254

+-------------------------------------+
Proximity [cts]: 1992
Ambient light [cts]: 818
Illuminance [lx]: 199

+-------------------------------------+
Proximity [cts]: 2193
Ambient light [cts]: 381
Illuminance [lx]: 80

+-------------------------------------+
Proximity [cts]: 14041
Ambient light [cts]: 3
Illuminance [lx]: 0

+-------------------------------------+
Proximity [cts]: 2056
Ambient light [cts]: 751
Illuminance [lx]: 199

+-------------------------------------+
Proximity [cts]: 1984
Ambient light [cts]: 957
Illuminance [lx]: 241

+-------------------------------------+
Proximity [cts]: 1983
Ambient light [cts]: 1043
Illuminance [lx]: 260

+-------------------------------------+
PWM with oscillating RGB LEDs 
main(): This is RIOT! (Version: 2025.10-devel-111-g12a65-boards/arduino-nano-esp32)
PWM peripheral driver test

> osci

RIOT PWM test
Connect an LED or scope to PWM pins to see something.

Available PWM device between 0 and 1
Initialized PWM_0 @ 1000Hz.
Initialized PWM_1 @ 1000Hz.

Letting the PWM pins oscillate now...
SPI with BME680 
main(): This is RIOT! (Version: 2025.10-devel-110-gee140-boards/arduino-nano-esp32)
Initialize BME680 sensor 0 ... OK
[bme680]: dev=0, T = 25.22 degC, P = 98631 Pa, H = 56.949 %, G = 449383 ohms
+-----------------------------------------+
[bme680]: dev=0, T = 25.20 degC, P = 98633 Pa, H = 54.960 %, G = 350722 ohms
+-----------------------------------------+
[bme680]: dev=0, T = 25.16 degC, P = 98633 Pa, H = 53.695 %, G = 289837 ohms
+-----------------------------------------+
[bme680]: dev=0, T = 25.11 degC, P = 98631 Pa, H = 52.903 %, G = 248262 ohms
+-----------------------------------------+
[bme680]: dev=0, T = 25.04 degC, P = 98631 Pa, H = 52.419 %, G = 217118 ohms
+-----------------------------------------+

Issues/PRs references

Fixes issue #21232

@github-actions github-actions bot added Area: doc Area: Documentation Area: boards Area: Board ports Area: Kconfig Area: Kconfig integration labels Aug 11, 2025
@gschorcht gschorcht added State: WIP State: The PR is still work-in-progress and its code is not in its final presentable form yet Type: new feature The issue requests / The PR implemements a new feature for RIOT CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR Platform: ESP Platform: This PR/issue effects ESP-based platforms labels Aug 11, 2025
@gschorcht gschorcht mentioned this pull request Aug 11, 2025
Closed
@gschorcht gschorcht requested a review from kaspar030 as a code owner August 11, 2025 14:16
@github-actions github-actions bot added Area: CI Area: Continuous Integration of RIOT components and removed Platform: ESP Platform: This PR/issue effects ESP-based platforms labels Aug 11, 2025
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riot-ci commented Aug 11, 2025 •
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Murdock results

✔️ PASSED

fc48c14 boards/arduino-nano-esp32: add board definition

Success Failures Total Runtime
580 0 580 05m:24s

Artifacts

crasbe
crasbe reviewed Aug 12, 2025
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@crasbe crasbe linked an issue Aug 12, 2025 that may be closed by this pull request
Add board support for Arduino Nano ESP32 #21232
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@gschorcht gschorcht force-pushed the boards/arduino-nano-esp32 branch from 5a42a31 to 12a65aa Compare August 13, 2025 06:23
@gschorcht gschorcht removed the State: WIP State: The PR is still work-in-progress and its code is not in its final presentable form yet label Aug 13, 2025
crasbe
crasbe approved these changes Aug 13, 2025
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Please squash and hit merge at your own discretion :)

@gschorcht gschorcht force-pushed the boards/arduino-nano-esp32 branch from 12a65aa to fc48c14 Compare August 13, 2025 14:42
@github-actions github-actions bot removed the Area: CI Area: Continuous Integration of RIOT components label Aug 13, 2025
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gschorcht commented Aug 13, 2025

@crasbe Thanks for reviewing

@gschorcht gschorcht enabled auto-merge August 13, 2025 14:46
@gschorcht gschorcht added this pull request to the merge queue Aug 13, 2025
Merged via the queue into RIOT-OS:master with commit dd32b0a Aug 14, 2025
25 checks passed
@gschorcht gschorcht deleted the boards/arduino-nano-esp32 branch August 14, 2025 07:01
@benpicco benpicco added this to the Release 2025.10 milestone Dec 3, 2025
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Reviewers

@crasbe crasbe crasbe approved these changes

@leandrolanzieri leandrolanzieri Awaiting requested review from leandrolanzieri leandrolanzieri is a code owner

@jia200x jia200x Awaiting requested review from jia200x jia200x is a code owner

@MrKevinWeiss MrKevinWeiss Awaiting requested review from MrKevinWeiss MrKevinWeiss is a code owner

@kaspar030 kaspar030 Awaiting requested review from kaspar030

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Area: boards Area: Board ports Area: doc Area: Documentation Area: Kconfig Area: Kconfig integration CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR Type: new feature The issue requests / The PR implemements a new feature for RIOT

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Add board support for Arduino Nano ESP32

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@gschorcht @riot-ci @crasbe @benpicco