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2026-09-06T07:56:52Z

Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex

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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

== Summary ==
Compact dual-shaft serial bus servo with 300° rotation angle, two-way feedback and switchable servo/motor mode.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL24440 WSAL24440 – 2.3kg Serial Bus Servo, Two-way Feedback, Servo/Motor Mode Switchable, Compact Size, 300° Rotation Angle]

== Technical overview ==
* Input voltage: 4–6 V; no-load current about 150 mA at 6 V; locked-rotor current 1.0 A
* Rotation angle 300° corresponds to position values 0–1023; position sensor resolution 0.293° (300°/1024)
* Locked-rotor torque up to 2.3 kg·cm at 6 V; high-precision metal gears
* Serial bus interface: baud rates from 38400 bps to 1 Mbit/s; ID range 0–253
* Two-way feedback: position, load, speed and input voltage can be read per servo
* Switchable operating mode: servo mode for absolute angle control or motor mode for continuous rotation; settings are stored persistently in EPROM
* Dimensions: 23.2 × 12.0 × 25.5 mm; compact form factor suitable for robotic arms, hexapods, humanoid robots and wheeled robots
* Series operation: Up to 253 servos can be controlled simultaneously, provided the power supply is adequate

'''Commands and examples – verify before use:'''
<syntaxhighlight lang="text">
#include <SCServo.h>
sc.unLockEprom(ID_ChangeFrom); sc.writeByte(ID_ChangeFrom, SCSCL_ID, ID_Changeto); sc.LockEprom(ID_Changeto);
int ID = sc.Ping(TEST_ID);
sc.ReadPosition(1); sc.ReadTemperature(1); sc.ReadSpeed(1); sc.ReadLoad(1); sc.ReadMove(1);
</syntaxhighlight>

== Notes and version constraints ==
* The source contains template placeholders such as {{{name2}}} through {{{userDefinedInfo}}}, indicating an incomplete template; these fields were ignored
* The description mentions ST3215 and ST series in several places although the product is named SC09; possible confusion between models needs clarification
* Default scan ID range at boot is 0–20; higher IDs require changing MAX_ID in ServoDriverST.ino and re-uploading
* ESP-NOW communication requires entering the slave's MAC address into broadcastAddress[]; remote control will not work without the correct address
* Oversized mounting screws must not touch the servo body, as contact increases current spikes and can burn out the servo
* Changes in the memory area require unlocking the EPROM region first, otherwise settings are lost after power loss

== Source and revision record ==
* [https://www.waveshare.com/wiki/SC09_Servo SC09 Servo - Waveshare Wiki]
* Source revision: 110615
* Captured: 2026-09-04T04:19:37+00:00
* SHA-256: <code>22a306308ae06dac5ad4d8fdb37e4fc5e628aedb94d313a4ee2d7227528d14c5</code>

WSAL24440 – SC09 Servo/en - Versionsgeschichte

JWTechPublisher: Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex