# Tools **URL:** https://community.sparkfun.com/c/components-and-accessories/components-tools/122.md [Latest](https://community.sparkfun.com/latest.md) · [Categories](https://community.sparkfun.com/categories.md) · [Tags](https://community.sparkfun.com/tags.md) --- ## [About the Tools category](https://community.sparkfun.com/t/about-the-tools-category/59313)
**Author:** [@SFE-SysAdmin](https://community.sparkfun.com/u/SFE-SysAdmin)\ **Replies:** 0\ **Last updated:** [July 8, 2024, 6:12pm UTC](https://community.sparkfun.com/t/about-the-tools-category/59313 "2024-07-08T18:12:16Z")
Discussions related to tools from SparkFun Electronics. --- ## [Digital Voltmeter Ammeter 30V 10A Red and Blue Connector](https://community.sparkfun.com/t/digital-voltmeter-ammeter-30v-10a-red-and-blue-connector/69622)
**Author:** [@SampleUser44](https://community.sparkfun.com/u/SampleUser44)\ **Replies:** 1\ **Last updated:** [September 28, 2026, 10:39pm UTC](https://community.sparkfun.com/t/digital-voltmeter-ammeter-30v-10a-red-and-blue-connector/69622 "2026-09-28T22:39:18Z")
What are the part numbers for the two JST connector on this device? --- ## [Product Choice Help](https://community.sparkfun.com/t/product-choice-help/68664)
**Author:** [@Ninja\_Chef](https://community.sparkfun.com/u/Ninja_Chef)\ **Replies:** 3\ **Last updated:** [May 1, 2026, 10:23pm UTC](https://community.sparkfun.com/t/product-choice-help/68664 "2026-05-01T22:23:44Z")
Hi, I want to have a personal project over the summer where I create a robotic hand that can close when I close my hand, so I have been looking for an EMG sensor, but this is my first time ever looking into this kind of… --- ## [Rework Station 8505D error code 5-E (or S-E?)](https://community.sparkfun.com/t/rework-station-8505d-error-code-5-e-or-s-e/67639)
**Author:** [@zachCrafts](https://community.sparkfun.com/u/zachCrafts)\ **Replies:** 1\ **Last updated:** [December 31, 2025, 5:06pm UTC](https://community.sparkfun.com/t/rework-station-8505d-error-code-5-e-or-s-e/67639 "2025-12-31T17:06:23Z")
hello, when trying to use my rework station for the first time i noticed it seemed to be generating heat but not nearly to the desired temperature; after a minute or so of tinkering with the AIR control the heat dropped… --- ## [Hot Air Rework Station 303d error code 5e](https://community.sparkfun.com/t/hot-air-rework-station-303d-error-code-5e/66832)
**Author:** [@jschein03](https://community.sparkfun.com/u/jschein03)\ **Replies:** 1\ **Last updated:** [September 8, 2025, 8:03pm UTC](https://community.sparkfun.com/t/hot-air-rework-station-303d-error-code-5e/66832 "2025-09-08T20:03:56Z")
Hey all, My hot air station 303d unit has stopped heating and is displaying the error code 5-e we are wondering what this code means and how to fix it. --- ## [Data-sheet information about input voltage](https://community.sparkfun.com/t/data-sheet-information-about-input-voltage/64857)
**Author:** [@Waleed\_Ghawanmeh](https://community.sparkfun.com/u/Waleed_Ghawanmeh)\ **Replies:** 1\ **Last updated:** [April 29, 2025, 10:07pm UTC](https://community.sparkfun.com/t/data-sheet-information-about-input-voltage/64857 "2025-04-29T22:07:45Z")
i have recently bought the TOL-21253 (hot air rework station) based on its datasheet it says that it can work for both 110v/220v but when it arrived it was marked as 110v input voltage. now idk if i should get a transfor… --- ## [Ideas for low cost probe holders](https://community.sparkfun.com/t/ideas-for-low-cost-probe-holders/63527)
**Author:** [@Jack\_Mcpants](https://community.sparkfun.com/u/Jack_Mcpants)\ **Replies:** 1\ **Last updated:** [February 19, 2025, 8:54pm UTC](https://community.sparkfun.com/t/ideas-for-low-cost-probe-holders/63527 "2025-02-19T20:54:14Z")
Hey everyone, I’m curious if anyone has found a hack for low cost probe holders. I would love to purchase a handful of Keysight N2787A (3D probe positioners) but since they are over $1k each, so that’s not going to happ… --- ## [What screw is used in the micro servo?](https://community.sparkfun.com/t/what-screw-is-used-in-the-micro-servo/63395)
**Author:** [@Kelli\_Huang](https://community.sparkfun.com/u/Kelli_Huang)\ **Replies:** 1\ **Last updated:** [February 14, 2025, 4:04am UTC](https://community.sparkfun.com/t/what-screw-is-used-in-the-micro-servo/63395 "2025-02-14T04:04:24Z")
I am using the generic continuous rotation micro servo motor in my project, but the phillips head screws that come with it are too long/short for my application, so I wanted to buy ones of the right length. What is the t… --- ## [TOL-15571 - What is the micro usb connector used for](https://community.sparkfun.com/t/tol-15571-what-is-the-micro-usb-connector-used-for/62586)
**Author:** [@jbarandiaran](https://community.sparkfun.com/u/jbarandiaran)\ **Replies:** 1\ **Last updated:** [January 3, 2025, 11:37pm UTC](https://community.sparkfun.com/t/tol-15571-what-is-the-micro-usb-connector-used-for/62586 "2025-01-03T23:37:07Z")
Just received the TOL-15571 USB power measurement device. Seems easy to use but no manual to describe all the functions. I really want to understand what the micro usb connector does. Any one know what this connector i… --- ## [Compatible tips for Soldering Iron - 30W](https://community.sparkfun.com/t/compatible-tips-for-soldering-iron-30w/61049)
**Author:** [@amckinlay](https://community.sparkfun.com/u/amckinlay)\ **Replies:** 2\ **Last updated:** [October 7, 2024, 5:28pm UTC](https://community.sparkfun.com/t/compatible-tips-for-soldering-iron-30w/61049 "2024-10-07T17:28:53Z")
Where can I source replacement tips for the Soldering Iron - 30W? SparkFun only sells 1/64” tips separately. If I want a replacement for the 1/32” tip that came with the iron, then I have to buy a whole new iron. Are the… --- ## [USB Logic Analyzer - Product(s) appear to have a defect in hardware.](https://community.sparkfun.com/t/usb-logic-analyzer-product-s-appear-to-have-a-defect-in-hardware/47582)
**Author:** [@The\_Throttle\_Pit](https://community.sparkfun.com/u/The_Throttle_Pit)\ **Replies:** 6\ **Last updated:** [June 21, 2024, 9:39pm UTC](https://community.sparkfun.com/t/usb-logic-analyzer-product-s-appear-to-have-a-defect-in-hardware/47582 "2024-06-21T21:39:58Z")
\- This if for the \[\[USB Logic Analyzer\](https://www.sparkfun.com/products/18627), part number TOL-18627 . - I initially tried searching the forums for previous issues and posted in \[\[this thread\](https://forum.sparkfun.c… --- ## [Simulation in DipTrace 5.0](https://community.sparkfun.com/t/simulation-in-diptrace-5-0/47482)
**Author:** [@RenoX](https://community.sparkfun.com/u/RenoX)\ **Replies:** 1\ **Last updated:** [June 21, 2024, 6:13am UTC](https://community.sparkfun.com/t/simulation-in-diptrace-5-0/47482 "2024-06-21T06:13:45Z")
I have created a schematic, see the attached screenshot. Now I am trying to simulate how it works in a digital SPICE simulator (built-in DipTrace 5.0 beta). In general, it works almost reasonably. But there are stran… --- ## [USB Logic Analyzer Unreliable](https://community.sparkfun.com/t/usb-logic-analyzer-unreliable/46929)
**Author:** [@drmitchell](https://community.sparkfun.com/u/drmitchell)\ **Replies:** 2\ **Last updated:** [February 18, 2024, 3:17pm UTC](https://community.sparkfun.com/t/usb-logic-analyzer-unreliable/46929 "2024-02-18T15:17:59Z")
Hi, I recently received the USB Logic Analyzer and I am using it with sigrok PulseView. I have followed the instructions to get the WinUSB driver installed which has worked. I had to do this twice as per suggestions on … --- ## [How to prevent setting of C\_DEBUGEN bit on ARM Cortex M4](https://community.sparkfun.com/t/how-to-prevent-setting-of-c-debugen-bit-on-arm-cortex-m4/46873)
**Author:** [@Fritz32](https://community.sparkfun.com/u/Fritz32)\ **Replies:** 0\ **Last updated:** [January 29, 2024, 5:00pm UTC](https://community.sparkfun.com/t/how-to-prevent-setting-of-c-debugen-bit-on-arm-cortex-m4/46873 "2024-01-29T17:00:34Z")
What would be the correct way to prevent the setting of the C\_DEBUGEN bit in the DHCSR register when connecting to an ARM Cortex-M4 device via OpenOCD and ST-Link V2 in SWD Mode? If I understood that correctly OpenOCD se… --- ## [USB Logic Analyzer: "Failed to get libusb file descriptors"](https://community.sparkfun.com/t/usb-logic-analyzer-failed-to-get-libusb-file-descriptors/46417)
**Author:** [@bevenson](https://community.sparkfun.com/u/bevenson)\ **Replies:** 1\ **Last updated:** [October 27, 2023, 1:53pm UTC](https://community.sparkfun.com/t/usb-logic-analyzer-failed-to-get-libusb-file-descriptors/46417 "2023-10-27T13:53:35Z")
I just purchased two of the USB Logic Analyzers (TOL-18627) and I’m having issues with the initial setup. I’ve followed the setup instructions and I’m still getting the error shown in the subject when I attempt to do a d… --- ## [Ordered a TOL-14734 received a TOL-21253](https://community.sparkfun.com/t/ordered-a-tol-14734-received-a-tol-21253/46269)
**Author:** [@ohc5ahYeeYie9](https://community.sparkfun.com/u/ohc5ahYeeYie9)\ **Replies:** 3\ **Last updated:** [September 29, 2023, 10:41pm UTC](https://community.sparkfun.com/t/ordered-a-tol-14734-received-a-tol-21253/46269 "2023-09-29T22:41:39Z")
Order # 9890124 Unfortunately someone packed a TOL-21253 (https://www.sparkfun.com/products/21253) in place of the TOL-14734 (https://www.sparkfun.com/products/14734) that I ordered. Can someone from sparkfun please con… --- ## [About the line voltage of soldering iron](https://community.sparkfun.com/t/about-the-line-voltage-of-soldering-iron/46208)
**Author:** [@taoyh28](https://community.sparkfun.com/u/taoyh28)\ **Replies:** 1\ **Last updated:** [September 14, 2023, 8:48am UTC](https://community.sparkfun.com/t/about-the-line-voltage-of-soldering-iron/46208 "2023-09-14T08:48:32Z")
In Aug 2022, I ordered one soldering iron through Digikey: https://www.digikey.sg/en/products/deta … VzCS%2BgyA It works great, with the line voltage of 220V in Singapore. When I try to re-order it today (with the sam… --- ## [HotAir Station 303D Error C-E](https://community.sparkfun.com/t/hotair-station-303d-error-c-e/46125)
**Author:** [@NicoP](https://community.sparkfun.com/u/NicoP)\ **Replies:** 1\ **Last updated:** [September 1, 2023, 8:45pm UTC](https://community.sparkfun.com/t/hotair-station-303d-error-c-e/46125 "2023-09-01T20:45:23Z")
Hello, I own a 303D hotair station. Unfortunately, the unit doesn’t work and shows a “C-E” error message. The unit seems to still be heatig, but no air is coming. Is there a specifical part that is dead or is it another… --- ## [recover bricked Bus Pirate after firmware upgrade](https://community.sparkfun.com/t/recover-bricked-bus-pirate-after-firmware-upgrade/45857)
**Author:** [@eterX](https://community.sparkfun.com/u/eterX)\ **Replies:** 2\ **Last updated:** [July 4, 2023, 12:13am UTC](https://community.sparkfun.com/t/recover-bricked-bus-pirate-after-firmware-upgrade/45857 "2023-07-04T00:13:09Z")
Hi everyone, Any clue on how to recover a Bus Pirate bricked by a (clumsy) firmware upgrade? Board data: Bus Pirate v3a, Firmware v5.10 (r559) Bootloader v4.4, DEVID:0x0447 REVID:0x3046 I cloned \[this repo, and “succe… --- ## [Bus Pirate appears defective?](https://community.sparkfun.com/t/bus-pirate-appears-defective/45765)
**Author:** [@ejschwar](https://community.sparkfun.com/u/ejschwar)\ **Replies:** 2\ **Last updated:** [June 15, 2023, 5:52pm UTC](https://community.sparkfun.com/t/bus-pirate-appears-defective/45765 "2023-06-15T17:52:45Z")
I received my Bus Pirate in the mail yesterday. Unfortunately, I’ve been having some problems with it. It fails the self test, and I’ve been unable to get it to supply voltage with the ‘W’ command. Even when there are no… --- ## [logic analyzer TOL-18627 missing CC resistors, unusable via direct USB-C](https://community.sparkfun.com/t/logic-analyzer-tol-18627-missing-cc-resistors-unusable-via-direct-usb-c/45082)
**Author:** [@argonblue](https://community.sparkfun.com/u/argonblue)\ **Replies:** 3\ **Last updated:** [February 6, 2023, 12:42am UTC](https://community.sparkfun.com/t/logic-analyzer-tol-18627-missing-cc-resistors-unusable-via-direct-usb-c/45082 "2023-02-06T00:42:44Z")
Hi, I bought a TOL-18627 logic analyzer from DigiKey. It seems to be missing the required 5.1k (Rd) resistors on the USB-C CC pins. It doesn’t work when plugged directly into a USB-C host port with a USB-C cable. An inl… --- ## [303D hot air station - failed pump](https://community.sparkfun.com/t/303d-hot-air-station-failed-pump/44999)
**Author:** [@discreet\_mayor](https://community.sparkfun.com/u/discreet_mayor)\ **Replies:** 1\ **Last updated:** [January 14, 2023, 9:34pm UTC](https://community.sparkfun.com/t/303d-hot-air-station-failed-pump/44999 "2023-01-14T21:34:01Z")
Hello, is there a replacement part that can be ordered? My unit’s pump seems to have died. Getting 120VAC from the board, and reading ~110 ohm resistance at the pump’s terminals. Anything else to check/do? --- ## [Soldering Station Replacement Diode](https://community.sparkfun.com/t/soldering-station-replacement-diode/44542)
**Author:** [@markbradley27](https://community.sparkfun.com/u/markbradley27)\ **Replies:** 3\ **Last updated:** [October 11, 2022, 5:18am UTC](https://community.sparkfun.com/t/soldering-station-replacement-diode/44542 "2022-10-11T05:18:32Z")
I have an old Sparkfun TOL-10707 Soldering Station that has performed admirably over the years. Recently however, one of the PCB mounting screws broke loose and then lodged itself in just the right spot to short out the … --- ## [Battery adapter cable for Nicla, Portenta boards?](https://community.sparkfun.com/t/battery-adapter-cable-for-nicla-portenta-boards/44021)
**Author:** [@armatronix](https://community.sparkfun.com/u/armatronix)\ **Replies:** 1\ **Last updated:** [May 31, 2022, 6:22pm UTC](https://community.sparkfun.com/t/battery-adapter-cable-for-nicla-portenta-boards/44021 "2022-05-31T18:22:38Z")
Hello, I ordered a couple of Nicla Sense ME boards for a wearable project. Do you plan to offer a cable to adapt your LiPo batteries to the battery connector on the Nicla and Portenta boards? Thanks. --- ## [Toolbench pictures](https://community.sparkfun.com/t/toolbench-pictures/36437)
**Author:** [@BigDave](https://community.sparkfun.com/u/BigDave)\ **Replies:** 2\ **Last updated:** [April 7, 2022, 9:17pm UTC](https://community.sparkfun.com/t/toolbench-pictures/36437 "2022-04-07T21:17:07Z")
Let’s see a photo of your electronics lab setup! --- ## [Molex part number for pin that fits test probe](https://community.sparkfun.com/t/molex-part-number-for-pin-that-fits-test-probe/43730)
**Author:** [@crustacean](https://community.sparkfun.com/u/crustacean)\ **Replies:** 2\ **Last updated:** [April 7, 2022, 6:10pm UTC](https://community.sparkfun.com/t/molex-part-number-for-pin-that-fits-test-probe/43730 "2022-04-07T18:10:27Z")
There is a molex receptical pin that crimps onto a wire that fits perfectly onto meter test probe, does anyone have a part number or series number for them? I have some high power load resisters for testing outputs. I in… --- ## [USB Logic Analyzer - Negative Voltage Input?](https://community.sparkfun.com/t/usb-logic-analyzer-negative-voltage-input/43546)
**Author:** [@Wazmo](https://community.sparkfun.com/u/Wazmo)\ **Replies:** 3\ **Last updated:** [February 27, 2022, 4:30am UTC](https://community.sparkfun.com/t/usb-logic-analyzer-negative-voltage-input/43546 "2022-02-27T04:30:58Z")
I haven’t found anything that tells me whether the \[USB Logic Analyzer can tolerate negative voltage to the inputs. I’m intending to diagnose an RS-232 signal from a \[MAX3232 transceiver, which potentially has a -5V to +… --- ## [Soldering Station Parts](https://community.sparkfun.com/t/soldering-station-parts/38025)
**Author:** [@TedWeed](https://community.sparkfun.com/u/TedWeed)\ **Replies:** 4\ **Last updated:** [February 19, 2022, 3:18pm UTC](https://community.sparkfun.com/t/soldering-station-parts/38025 "2022-02-19T15:18:34Z")
Hello, I have (6) Sparkfun Model 937b Soldering Station Units with only (2) bad irons. Do you sell replacement irons and tips? Thank you tw --- ## [sigrok pulseview logic analyzer](https://community.sparkfun.com/t/sigrok-pulseview-logic-analyzer/43455)
**Author:** [@julianop99](https://community.sparkfun.com/u/julianop99)\ **Replies:** 2\ **Last updated:** [February 9, 2022, 5:49pm UTC](https://community.sparkfun.com/t/sigrok-pulseview-logic-analyzer/43455 "2022-02-09T17:49:08Z")
Hi, I need with some urgency to download the installer executable for the “sigrok pulseview”. Unfortunately, the sigrok server is down for a time now (https://sigrok.org/wiki/Downloads) Would anyone has this applicati… --- ## [Hot-Air Rework Station - 303D - Set temp gauge to Fahrenheit](https://community.sparkfun.com/t/hot-air-rework-station-303d-set-temp-gauge-to-fahrenheit/43308)
**Author:** [@quantum313](https://community.sparkfun.com/u/quantum313)\ **Replies:** 1\ **Last updated:** [January 12, 2022, 9:30pm UTC](https://community.sparkfun.com/t/hot-air-rework-station-303d-set-temp-gauge-to-fahrenheit/43308 "2022-01-12T21:30:05Z")
Hey there, I just picked up one of the 303D rework stations and noticed it’s set to Celsius. Did some googling and saw they are set from the manufacturer to default to C, but didn’t see anything about switching it to F.… [Next page](https://community.sparkfun.com/c/components-and-accessories/components-tools/122.md?page=1)