# Electronics **URL:** https://forums.maslowcnc.com/c/hardware-issues/electronics/20.md [Latest](https://forums.maslowcnc.com/latest.md) · [Categories](https://forums.maslowcnc.com/categories.md) · [Tags](https://forums.maslowcnc.com/tags.md) --- ## [About the Electronics category](https://forums.maslowcnc.com/t/about-the-electronics-category/2824)
**Author:** [@TheRiflesSpiral](https://forums.maslowcnc.com/u/TheRiflesSpiral)\ **Replies:** 0
A place to discuss all electronics related topics, including but not limited to: The Arduino controller Power supplies Wiring Harnesses Motors/Encoders --- ## [What it's voltage and amps of the power cord?](https://forums.maslowcnc.com/t/what-its-voltage-and-amps-of-the-power-cord/26043)
**Author:** [@BoldBloomington](https://forums.maslowcnc.com/u/BoldBloomington)\ **Replies:** 2\ **Last updated:** [July 17, 2026, 5:49pm UTC](https://forums.maslowcnc.com/t/what-its-voltage-and-amps-of-the-power-cord/26043 "2026-07-17T17:49:18Z")
What’s the voltage and amp of the power cord on a Maslow 4? I’m looking for my cord but meanwhile I have an XT connector and a pile of old laptop power supplies that might work. --- ## [Stepper motor problem](https://forums.maslowcnc.com/t/stepper-motor-problem/25906)
**Author:** [@ThomasB](https://forums.maslowcnc.com/u/ThomasB)\ **Replies:** 2\ **Last updated:** [June 12, 2026, 5:14pm UTC](https://forums.maslowcnc.com/t/stepper-motor-problem/25906 "2026-06-12T17:14:38Z")
One of the stepper motors fails. If I switch the two cables, the other one fails. So probably a problem with one of the two stepper motor drivers. I changed the run amps to 1.3 amps, but that didnt solve the problem. --- ## [Static Electricity Mitigation Modification?](https://forums.maslowcnc.com/t/static-electricity-mitigation-modification/24739)
**Author:** [@jkleban](https://forums.maslowcnc.com/u/jkleban)\ **Replies:** 1\ **Last updated:** [August 17, 2025, 9:46pm UTC](https://forums.maslowcnc.com/t/static-electricity-mitigation-modification/24739 "2025-08-17T21:46:34Z")
I recall seeing issues/suspicions of static electricity buildup causing problems. Is there a recommendation for an aftermarket fix (like a resistor between two specific pads on the pcb) that will make the M4 more resili… --- ## [3D Printed Power Brick Holder](https://forums.maslowcnc.com/t/3d-printed-power-brick-holder/24495)
**Author:** [@Adam\_Schreiber](https://forums.maslowcnc.com/u/Adam_Schreiber)\ **Replies:** 0\ **Last updated:** [July 5, 2025, 6:42pm UTC](https://forums.maslowcnc.com/t/3d-printed-power-brick-holder/24495 "2025-07-05T18:42:22Z")
Today I was doing some cord clean up on my frame and wanted to get the power brick off of the floor. I didn’t want to just zip tie it to the frame and went to Printables for a solution. I found a customizable mount and … --- ## [What is the cord used to connect the computer to Maslow 4?](https://forums.maslowcnc.com/t/what-is-the-cord-used-to-connect-the-computer-to-maslow-4/23595)
**Author:** [@Jnthnbnks](https://forums.maslowcnc.com/u/Jnthnbnks)\ **Replies:** 4\ **Last updated:** [April 1, 2025, 10:05pm UTC](https://forums.maslowcnc.com/t/what-is-the-cord-used-to-connect-the-computer-to-maslow-4/23595 "2025-04-01T22:05:33Z")
What is the cord used to connect the computer to Maslow 4? --- ## [Loose heat sink. Hot glue?](https://forums.maslowcnc.com/t/loose-heat-sink-hot-glue/23292)
**Author:** [@Paul\_Smyk](https://forums.maslowcnc.com/u/Paul_Smyk)\ **Replies:** 2\ **Last updated:** [February 1, 2025, 3:52pm UTC](https://forums.maslowcnc.com/t/loose-heat-sink-hot-glue/23292 "2025-02-01T15:52:06Z")
I’m finally in the process of upgrading my hardware to the JST hardware. One of the heatsinks didn’t seem to stick as well as I would like. I was thinking about using hot glue to help keep it in place. Is this a bad id… --- ## [Managing motors with dual L298N](https://forums.maslowcnc.com/t/managing-motors-with-dual-l298n/9896)
**Author:** [@MarcinanBarbarzynca](https://forums.maslowcnc.com/u/MarcinanBarbarzynca)\ **Replies:** 117\ **Last updated:** [October 29, 2024, 8:42am UTC](https://forums.maslowcnc.com/t/managing-motors-with-dual-l298n/9896 "2024-10-29T08:42:43Z")
Hi I found difficult to find Maslow motorshield in Poland. Recently i bought and Arduno Mega board and L298n module: It got 4H bridges separately, and can provide 2A of current. It\`s responding to TTL on 8 digital… --- ## [Needed to increase retraction current](https://forums.maslowcnc.com/t/needed-to-increase-retraction-current/22057)
**Author:** [@Jordan\_Hoff](https://forums.maslowcnc.com/u/Jordan_Hoff)\ **Replies:** 3\ **Last updated:** [August 12, 2024, 2:37am UTC](https://forums.maslowcnc.com/t/needed-to-increase-retraction-current/22057 "2024-08-12T02:37:10Z")
I’ve had my Maslow sitting for a few weeks in the garage waiting to get some time to play around with it again. I updated the firmware to the latest (v0.82), uploaded the new index.html.gz, diffed maslow.yaml against th… --- ## [Desired modifications to existing kits](https://forums.maslowcnc.com/t/desired-modifications-to-existing-kits/21722)
**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\ **Replies:** 8\ **Last updated:** [July 22, 2024, 6:25pm UTC](https://forums.maslowcnc.com/t/desired-modifications-to-existing-kits/21722 "2024-07-22T18:25:22Z")
I know that it’s been deemed desirable to ground a pin on the encoders, and mention was made to ground the shells of the ethernet sockets. I made this thread with the intent that it could be pinned to include references… --- ## [What are the limits of the maslow 4 board?](https://forums.maslowcnc.com/t/what-are-the-limits-of-the-maslow-4-board/21480)
**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\ **Replies:** 1\ **Last updated:** [June 11, 2024, 4:17pm UTC](https://forums.maslowcnc.com/t/what-are-the-limits-of-the-maslow-4-board/21480 "2024-06-11T16:17:34Z")
@bar, what are the limits of the maslow 4 controller? specifically I’m thinking about: DC motor current limit stepper current limit but if there are any other things you planned around, they may be useful --- ## [UART features of the FluidNC fork](https://forums.maslowcnc.com/t/uart-features-of-the-fluidnc-fork/20741)
**Author:** [@makergamer](https://forums.maslowcnc.com/u/makergamer)\ **Replies:** 2\ **Last updated:** [April 22, 2024, 6:39pm UTC](https://forums.maslowcnc.com/t/uart-features-of-the-fluidnc-fork/20741 "2024-04-22T18:39:13Z")
Hi @bar and Roman, Is there some resources you could point the community to regarding the UART (JST connector) features and potential usage of the Maslow’s FluidNC fork? Or maybe some docs where the community could star… --- ## [Maslow 4 - available IO (GPIO, I2C, SDIO, Tx/Rx, PWM, etc.)](https://forums.maslowcnc.com/t/maslow-4-available-io-gpio-i2c-sdio-tx-rx-pwm-etc/19181)
**Author:** [@makergamer](https://forums.maslowcnc.com/u/makergamer)\ **Replies:** 13\ **Last updated:** [April 20, 2024, 7:14pm UTC](https://forums.maslowcnc.com/t/maslow-4-available-io-gpio-i2c-sdio-tx-rx-pwm-etc/19181 "2024-04-20T19:14:06Z")
I’ve not seen the Maslow 4 schematic yet. Q: What IO is drawn out to through-holes for pin headers - I2C, SDIO, 3v3 TX/RX, GPIO, PWM, etc. ? These IO will be important for the community to enhance the firmware & their Ma… --- ## [Updated SD Flash Chip - Help request](https://forums.maslowcnc.com/t/updated-sd-flash-chip-help-request/19777)
**Author:** [@bar](https://forums.maslowcnc.com/u/bar)\ **Replies:** 6\ **Last updated:** [January 19, 2024, 5:19pm UTC](https://forums.maslowcnc.com/t/updated-sd-flash-chip-help-request/19777 "2024-01-19T17:19:05Z")
Hey everyone, I was wondering if I could get a second set of eyes on something. We’re using an NAND flash chip that appears to the controller as an SD card. The reason for that over an actual SD card is that in a dusty h… --- ## [High Vibration PCB Mounted Power Connector](https://forums.maslowcnc.com/t/high-vibration-pcb-mounted-power-connector/18788)
**Author:** [@bar](https://forums.maslowcnc.com/u/bar)\ **Replies:** 16\ **Last updated:** [April 19, 2023, 12:57pm UTC](https://forums.maslowcnc.com/t/high-vibration-pcb-mounted-power-connector/18788 "2023-04-19T12:57:37Z")
Does anyone have a favorite PCB mounted power connector that can handle vibrations? I’m using the standard barrel connector now, but it’s not great when there is a lot of vibration so I’d like to find something that cli… --- ## [Motor cabling connectors](https://forums.maslowcnc.com/t/motor-cabling-connectors/18113)
**Author:** [@Orob](https://forums.maslowcnc.com/u/Orob)\ **Replies:** 5\ **Last updated:** [July 10, 2022, 6:25pm UTC](https://forums.maslowcnc.com/t/motor-cabling-connectors/18113 "2022-07-10T18:25:24Z")
If I understand correctly, the left and right motor connectors and all shield connectors are JST 6 pin connections. Any idea what the z motor connector is called? The original z axis motor that makermade and easbay sti… --- ## [Bench Test Electronics](https://forums.maslowcnc.com/t/bench-test-electronics/17837)
**Author:** [@Terryk](https://forums.maslowcnc.com/u/Terryk)\ **Replies:** 1\ **Last updated:** [March 13, 2022, 5:03pm UTC](https://forums.maslowcnc.com/t/bench-test-electronics/17837 "2022-03-13T17:03:04Z")
I have picked up a used Makermade/Maslow kit and am in the process of building the frame. I am wondering about the idea of bench testing the electronics before completing the build. Does this make sense? Thinking I wo… --- ## [Relay to turn router on and off](https://forums.maslowcnc.com/t/relay-to-turn-router-on-and-off/4553)
**Author:** [@jvpdelta](https://forums.maslowcnc.com/u/jvpdelta)\ **Replies:** 30\ **Last updated:** [March 9, 2022, 2:00pm UTC](https://forums.maslowcnc.com/t/relay-to-turn-router-on-and-off/4553 "2022-03-09T14:00:51Z")
any thoughts of possibly utilizing one of the AUX ports on the motor controller board to power the router on and off via a relay? Is this possible? I know it would require extra hardware for the routers power supply, bu… --- ## [Ground wire on motor cable?](https://forums.maslowcnc.com/t/ground-wire-on-motor-cable/17790)
**Author:** [@ACME](https://forums.maslowcnc.com/u/ACME)\ **Replies:** 4\ **Last updated:** [February 23, 2022, 10:14pm UTC](https://forums.maslowcnc.com/t/ground-wire-on-motor-cable/17790 "2022-02-23T22:14:02Z")
So my motor cable that came with my metal maslow kit has a ground lug on one end only. All 3 cables are like this. I see nothing in the assembly instructions for Metal Maslow or the assembly instructions on the maslow … --- ## [EastBaySource Maslow CNC main control board damaged](https://forums.maslowcnc.com/t/eastbaysource-maslow-cnc-main-control-board-damaged/17384)
**Author:** [@vayu.rw](https://forums.maslowcnc.com/u/vayu.rw)\ **Replies:** 13\ **Last updated:** [November 29, 2021, 1:59pm UTC](https://forums.maslowcnc.com/t/eastbaysource-maslow-cnc-main-control-board-damaged/17384 "2021-11-29T13:59:28Z")
Hi: I got gifted a eastbay source CNC maslow kit with ZAxis control a while back . and I have just finished up hooking every thing together. While trying to go through the calibration step, I found out that one o fthe c… --- ## [Good news and bad news](https://forums.maslowcnc.com/t/good-news-and-bad-news/16922)
**Author:** [@Orob](https://forums.maslowcnc.com/u/Orob)\ **Replies:** 13\ **Last updated:** [August 22, 2021, 1:52am UTC](https://forums.maslowcnc.com/t/good-news-and-bad-news/16922 "2021-08-22T01:52:28Z")
I’ve been working on firmware to get holey to work with eastbay 1.5 boards within webcontrol. I have found or created a bug somehow and I’m not sure how to fix it and looking for some insight: Scenario 1: calibration.… --- ## [Need help with pins on alternate BTS7690 Motor Driver](https://forums.maslowcnc.com/t/need-help-with-pins-on-alternate-bts7690-motor-driver/16435)
**Author:** [@Maxwebber](https://forums.maslowcnc.com/u/Maxwebber)\ **Replies:** 27\ **Last updated:** [July 1, 2021, 8:49pm UTC](https://forums.maslowcnc.com/t/need-help-with-pins-on-alternate-bts7690-motor-driver/16435 "2021-07-01T20:49:49Z")
Greetings! In my journey to build a Maslow of my own, I had trouble sourcing the PC board for the 5206 drivers. I then came across these Double BTS7960 43A H-bridge High-power Motor Drivers. The amp specs looked very g… --- ## [M2 z axis runs forever issue. Anyone else solve this one already?](https://forums.maslowcnc.com/t/m2-z-axis-runs-forever-issue-anyone-else-solve-this-one-already/14485)
**Author:** [@Orob](https://forums.maslowcnc.com/u/Orob)\ **Replies:** 33\ **Last updated:** [May 24, 2021, 4:16am UTC](https://forums.maslowcnc.com/t/m2-z-axis-runs-forever-issue-anyone-else-solve-this-one-already/14485 "2021-05-24T04:16:04Z")
X and Y seem to be fine, but the z motor goes and doesn’t stop. The same motor works just fine on the mega. I was using maslowdue v20200811 or the one before that. They all do it. I can stop the z axis by pressing th… --- ## [All Motors Fail but touching motor shield pins moves motors](https://forums.maslowcnc.com/t/all-motors-fail-but-touching-motor-shield-pins-moves-motors/16606)
**Author:** [@chester](https://forums.maslowcnc.com/u/chester)\ **Replies:** 7\ **Last updated:** [May 10, 2021, 1:17pm UTC](https://forums.maslowcnc.com/t/all-motors-fail-but-touching-motor-shield-pins-moves-motors/16606 "2021-05-10T13:17:14Z")
When I get connected to Ground Control via usb I am able to run a test that returns L Motor, R Motor, and Z Motor failing all directions. However when we touch a couple pins on the motor shield itself we are able to get … --- ## [E-Stop or STOP NOW aux input](https://forums.maslowcnc.com/t/e-stop-or-stop-now-aux-input/16226)
**Author:** [@jonatpridesleap](https://forums.maslowcnc.com/u/jonatpridesleap)\ **Replies:** 6\ **Last updated:** [March 5, 2021, 2:22am UTC](https://forums.maslowcnc.com/t/e-stop-or-stop-now-aux-input/16226 "2021-03-05T02:22:51Z")
Ok, so I though this was posted somewhere but can’t seem to find an answer. I thought that there was support in the arduino/shield and frimware for an E-STOP or STOP NOW aux input. I have an E-stop string with SSR’s but … --- ## [Raspberry Pi Power Supply](https://forums.maslowcnc.com/t/raspberry-pi-power-supply/15735)
**Author:** [@jonatpridesleap](https://forums.maslowcnc.com/u/jonatpridesleap)\ **Replies:** 9\ **Last updated:** [January 17, 2021, 7:48pm UTC](https://forums.maslowcnc.com/t/raspberry-pi-power-supply/15735 "2021-01-17T19:48:40Z")
Does anyone know of a HAT or other means that one could power a Pi via a12vdc source? Im looking to power my arduino and Pi WebControl server via a single power supply. --- ## [Anyway to batch program hundreds of arduino megas with firmware?](https://forums.maslowcnc.com/t/anyway-to-batch-program-hundreds-of-arduino-megas-with-firmware/15097)
**Author:** [@Metalmaslow](https://forums.maslowcnc.com/u/Metalmaslow)\ **Replies:** 4\ **Last updated:** [January 5, 2021, 2:29pm UTC](https://forums.maslowcnc.com/t/anyway-to-batch-program-hundreds-of-arduino-megas-with-firmware/15097 "2021-01-05T14:29:44Z")
Last time I loaded ground control 1.26 on hundreds of Mega2560 boards one by one and it was super boring took me about 2 or 3 days on and off. I’m guessing that is the only way, but thought the community might know a mo… --- ## [Z-axis not working](https://forums.maslowcnc.com/t/z-axis-not-working/15492)
**Author:** [@AdamBowens](https://forums.maslowcnc.com/u/AdamBowens)\ **Replies:** 1\ **Last updated:** [December 12, 2020, 4:42pm UTC](https://forums.maslowcnc.com/t/z-axis-not-working/15492 "2020-12-12T16:42:22Z")
Have a new Maslow classic, running the mega. Have it set up but can’t get the z-axis to work for the life of me. Been trying for a week now. Just now I changed the locations of the connectors, just to rule out hardware i… --- ## [Alternative motor options](https://forums.maslowcnc.com/t/alternative-motor-options/5797)
**Author:** [@mistertoad](https://forums.maslowcnc.com/u/mistertoad)\ **Replies:** 12\ **Last updated:** [October 17, 2020, 1:44pm UTC](https://forums.maslowcnc.com/t/alternative-motor-options/5797 "2020-10-17T13:44:34Z")
I’m interested in building a Maslow machine but living in Europe I feel that the cost of shipping some of the proprietary parts is going to be a bit prohibitive. I think I can probably build something very similar using… --- ## [Laser module for maslow](https://forums.maslowcnc.com/t/laser-module-for-maslow/14542)
**Author:** [@javidavo05](https://forums.maslowcnc.com/u/javidavo05)\ **Replies:** 1\ **Last updated:** [September 4, 2020, 3:27pm UTC](https://forums.maslowcnc.com/t/laser-module-for-maslow/14542 "2020-09-04T15:27:35Z")
Anyone knows what laser diode works with the @EastBaySource maslow ? [Next page](https://forums.maslowcnc.com/c/hardware-issues/electronics/20.md?page=1)