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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 ==
The Waveshare DCGM-3865-12V-EN-240RPM is an L-shaped permanent-magnet DC geared motor with an integrated magnetic Hall encoder. It is designed for space-constrained applications such as small robots or self-balancing two-wheeled vehicles.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL22346 WSAL22346 – L-shaped Permanent Magnet DC Gear Motor, Magnetic Hall Encoder, All-metal Gear Motor]

== Technical overview ==
* The L-shaped housing suits robots with small wheelbases and tight installation spaces.
* The gear train is made entirely of metal gears; the reducer has no self-locking feature, so the output shaft can be turned by hand.
* Operating voltage is 12 V DC.
* No-load speed reaches up to 240 rpm at a no-load current of at most 0.15 A.
* Rated load is 4.0 kg·cm at a rated speed of 125 rpm and a rated current of at most 1.0 A (about 5.2 W).
* Locked-rotor torque is at least 8.5 kg·cm at a locked-rotor current of at most 3.5 A.
* The built-in 13-wire Hall encoder provides a base resolution of 13 PPR; with the 1:42 gear reduction this yields an effective resolution of 546 PPR.
* Connection uses a PH2.0 6-pin connector with fixed pin assignments for motor power and encoder signals.

'''Commands and examples – verify before use:'''
<syntaxhighlight lang="text">
Pin 1: M2 – motor power supply (second phase)
Pin 2: Encoder VCC positive (5 V / 3.3 V)
Pin 3: C2 – encoder phase B
Pin 4: C1 – encoder phase A
Pin 5: Encoder GND negative
Pin 6: M1 – motor power supply (first phase)
</syntaxhighlight>

== Notes and version constraints ==
* The exact encoder supply voltage (5 V or 3.3 V) must match the target microcontroller; the source lists both values but does not state which applies here.
* Because the gearbox lacks self-locking, the output shaft can rotate freely without drive force – additional mechanical retention is needed for position-holding applications.
* Exact mechanical dimensions and mounting holes are not specified in the provided text; consult the 2D drawings (DXF/PDF).
* Torque figures given in kg·cm should be converted to SI units (Nm) if the control software expects Nm.
* Whether the motor suits a particular use case depends on the load profile and ambient temperature; that information is missing from the source material.

== Source and revision record ==
* [https://www.waveshare.com/wiki/DCGM-3865-12V-EN-240RPM DCGM-3865-12V-EN-240RPM - Waveshare Wiki]
* Source revision: 77821
* Captured: 2026-09-03T03:53:25+00:00
* SHA-256: <code>ee8ed91112f46527fde8481c86aa81577d76206ff19a4e02b5cc6d6c6b765f86</code>

WSAL22346 – DCGM-3865-12V-EN-240RPM/en - Versionsgeschichte

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