SparkFun Electronics Commentsurn:uuid:214d0e4e-f1b1-d287-ce26-ac5b4c9f82492024-03-28T03:34:52-06:00SparkFun ElectronicsCustomer #1613733 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #1613733urn:uuid:726b573b-617c-ff63-0773-2354836787252020-12-23T06:04:43-07:00<p>What is the resolution of the quadrature encoder? How many ticks are there per revolution of the motor shaft?
Who manufactured these and can the resolution be improved with different encoders? Is there a page with encoders that would fit?<p>And is there a fritzing library that includes this part?</p></p>
Customer #1614103 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #1614103urn:uuid:fe5302ae-4fce-1d2b-3a9d-592af09c93f22020-10-17T23:52:13-06:00<p>do you guys carry a compatible mount plate and a shaft extender for this motor?</p>
xsrender on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)xsrenderurn:uuid:56ee636b-4c3b-e490-9bd2-53a935a391442020-09-20T20:17:09-06:00<p>JST-PH 6-pin</p>
santaimpersonator on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)santaimpersonatorurn:uuid:56dc04e9-d2bc-04ac-475d-029be11010782020-09-02T13:55:07-06:00<p>Awesome, thanks for the test results! I'm sure this will be useful for other users.</p>
Customer #30991 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #30991urn:uuid:ba95c783-9d81-b588-4f0a-d1a319f5846a2020-09-02T12:48:50-06:00<p>Purchased four DG01D-E’s at end of June 2020. All four worked as expected. Average measurements of all: No-Load Volts:RPM ranged from 3VDC : 44RPM linearly to 9VDC : 157RPM with 4.5 VDC : 73 RPM. No-Load current ranged 3VDC : 15mA to 9VDC : 27 mA. Stall currents – 4.5VDC : 154mA, 6.0VDC : 199mA, 7.5 VDC : 254mA. All H1 and H2 signals were uniform 50% duty cycle square waves. When voltage was applied + to M+ (red wire) and ground/- to M- (brown wire) H1 lagged behind H2 by 16.7% or 60°. I assume the offset is a best practice for quadrature encoders. Measured 135 H1 pulses per output shaft revolution. H1 and H2, rising and falling signals should result in 540 state changes per revolution. Without disassembly I can’t confirm gear ratio or number of encoder disk poles. I also purchased the 65mm wheels (ROB-13259) and removed the rubber tire which left a 48mm diameter pulley of sorts. I attached a variable weight (pill bottle with pennies) to a string did some rough lift load experiments. Results for approximately half No-Load RPM at 24mm from output shaft: 4.5VDC : 90g : 90mA : 35RPM, 6.0VDC : 120g : 112mA : 52RPM, 7.5VDC : 150g : 140mA : 66RPM</p>
Customer #1512878 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #1512878urn:uuid:6715090c-c621-eb91-dec5-5d1025df7fb32020-08-21T13:41:27-06:00<p>I hooked up another encoder to the output shaft. With an input voltage of 4.5 V (with a good regulated DC power supply) the shaft appears to spin at around 70 RPM, not 90 RPM as advertised. FWIW, the frequency of the signal from the internal encoder was 166.7 Hz (with slight variations). And I get a square wave from only one of the outputs; the other one just makes blips.<p>This thing is kind of useless if you don't know how fast it turns or how many pulses per revolution you get from the encoder.</p></p>
santaimpersonator on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)santaimpersonatorurn:uuid:805feca7-7d3e-558f-b025-5251797be0192020-06-17T18:45:09-06:00<p>Not sure, but I would suggest signing up for our newsletter (bottom of the page), so you don't miss out (if we do)... or check back every Friday, when we do product releases.</p>
santaimpersonator on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)santaimpersonatorurn:uuid:8d2cd3a3-2b0d-7d35-49b3-edca4c35d4492020-06-17T11:01:38-06:00<p>That isn't simple to estimate as it would also be dependent on how you are driving/powering the motor.</p>
Customer #327230 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #327230urn:uuid:516705c5-cbdd-6f7c-a457-318cb8476c7c2020-06-10T07:30:08-06:00<p>Any plans to offer a Qwiic board for a pair of these? (Yes, I know there is a qwiic motor driver, but I'm asking about one that also supports the encoders, maybe with some encoder-enabled position/velocity commands)</p>
Customer #1603291 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #1603291urn:uuid:4b28b446-acf4-e1a5-e64a-ce6e4911cf852020-06-09T13:23:13-06:00<p>Does anyone have output torque measurements (or estimations)?</p>
Evan_Double_U on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Evan_Double_Uurn:uuid:43d39893-a6c3-e854-9c73-6f4e16bdac482020-05-12T12:57:02-06:00<p>If the encoder was removed this would be the same footprint as 13302. From my experience with ROB-14339, there is enough space for the encoder out the back. Thanks!</p>
QCPete on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)QCPeteurn:uuid:a0515b56-2589-6e71-155e-cc91b97af59e2020-05-12T11:53:55-06:00<p>Hi dbc,
Thanks for reaching out. I recently used these on a bot project (<a href="https://www.sparkfun.com/news/3276" rel="nofollow">Enginursday post</a>) and was getting about 600 pulses per revolution (of the wheel).<p>My project is using an <a href="https://www.sparkfun.com/products/16328" rel="nofollow">Auto pHAT for raspberry pi</a>. On that board, I have a dedicated ATTiny84 with custom firmware that is listening to the encoders. You can see that <a href="https://github.com/sparkfun/Qwiic_Dual_Encoder_Reader" rel="nofollow">firmware here</a>. Hope this helps and good luck! -Pete</p></p>
Customer #1536345 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #1536345urn:uuid:ef427c58-870e-4953-51e7-ea40a9d60a6d2020-05-12T09:37:16-06:00<p>Do these work easily with your three layer chassis (https://www.sparkfun.com/products/14339)?<p>i.e., do they have the same footprint (or close enough) as these: https://www.sparkfun.com/products/13302?</p></p>
Customer #389092 on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Customer #389092urn:uuid:4a7f67b8-595c-a54f-7e6f-d6ca51c763492020-05-11T13:29:47-06:00<p>Trying to get up and running with these on a Raspberry PI. Does anyone happen to have a python snippit of code to read the encoders?</p>
TheRegnirps on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)TheRegnirpsurn:uuid:16f55534-a505-9d88-6173-27079bedec622020-05-07T11:31:58-06:00<p>This looks like a cut-and-paste of an Alibaba description. And Hall is capitalized when writing about a Hall sensor. Anyway, it looks plenty useful but I can't make sense of the description. Same description here https://core-electronics.com.au/hobby-motor-with-encoder-metal-gear-dg01d-e.html</p>
WimL on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)WimLurn:uuid:7f73be02-b00d-602d-8c69-f747fd68dbcc2020-05-03T15:27:12-06:00<p>I wish this were documented! The oscilloscope screenshot in the pdf seems to indicate the encoder pulses coming at around 1 kHz, which (very, very rough order of magnitude estimate with lots of assumptions) suggests around twelve poles on the (pre-reduction-gear) motor shaft.</p>
dbc on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)dbcurn:uuid:1719b00b-78f4-8079-f5ec-b6170483fde32020-05-02T21:16:30-06:00<p>How many poles on the encoder disk? I looked through the documents, but can't find anything that tells me counts per tail shaft revolution.</p>
santaimpersonator on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)santaimpersonatorurn:uuid:c3d542bc-29b9-080a-10b9-1e336a048d532020-04-30T15:55:40-06:00<p>It's not specified in the datasheet, but the motor does come with a cable.</p>
santaimpersonator on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)santaimpersonatorurn:uuid:a549ab76-4bf8-ffa1-7ff7-a1b627c611e02020-04-30T15:54:55-06:00<p>I would say it is a reduction gear box as the output shafts aren't running at blazing speeds with 5V.</p>
Corndogjoe on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Corndogjoeurn:uuid:9e636188-12fd-d887-4c91-20f7c62f75832020-04-30T15:48:35-06:00<p>What is the name of the type of connector on the motor?</p>
Corndogjoe on ROB-16413 - Hobby Motor with Encoder - Metal Gear (DG01D-E)Corndogjoeurn:uuid:c7ea786f-7829-cf03-3fc7-fa0ab5d3d20b2020-04-30T15:41:25-06:00<p>Is this gear box a reduction ratio?</p>