QCPete on COM-23979 - SparkFun MOSFET Power Switch and Buck Regulator (Low-Side)
There is a capacitor (C4) on the VCC net of this board that is rated for 35V. Usually, it's a good rule of thumb to have capacitors double-rated for whatever your board is planning on using - to...
View ArticleCustomer #1731644 on PRT-11366 - Big Red Box - Enclosure
Nice enclosure, but the dimensional drawing is a big red box of lies!
View ArticleLukeShu on DEV-19958 - W5500-EVB-Pico
Though it's not mentioned in the description of features, besides being a rPi Pico with a W5500 strapped to it, it also has 16MB external flash strapped to it (in addition to the 2MB internal flash in...
View ArticleCustomer #1753423 on DEV-26586 - W55RP20-EVB-PICO
Can this board be powered by PoE? On the features tab it lists “Built-in RJ45 (POE)” but the board doesn’t appear to have the necessary transformer and other components to be PoE powered.
View ArticleCustomer #1847339 on GPS-25795 - Telescopic Surveying Pole
Fit and finish of this item is excellent, smooth action, light weight and precise.
View ArticleMatty++ on SEN-15335 - SparkFun 9DoF IMU Breakout - ICM-20948 (Qwiic)
I'm looking for the Logic shifter MOSFET Datasheet. Could you provide a Manufacturer part number?
View ArticleRobomaniac on DEV-26586 - W55RP20-EVB-PICO
From my understanding it is not. It's writing "Additional modules are installed to enable POE" and if you check website they have a module call WIZPoE-P1 which you attach to the top and makes this...
View ArticleCustomer #947111 on COM-11450 - LED - 5mm Cycling RGB (slow)
I appreciate this discussion and the more detailed one that was linked, but I am not an engineer and I just want to know what current limiting resistor to use with the 5mm LED. I am powering it with a...
View ArticleCustomer #108258 on SEN-24904 - SparkFun Optical Tracking Odometry Sensor -...
I am an FTC mentor. I'm now with my second team, which is a rookie team. They are used to the Block programming language they used in FLL. We are planning to have them use Block this year for FTC Into...
View Articleerff on SPX-25365 - Soft Power Switch Mk2 - JST 2mm
Are VIN and VOUT isolated from the other pins? Can a microcontroller be independently powered and just connected to the control pinsm
View Articleerff on SPX-24475 - 8 Relay Control Board
I wish this product was just one channel for size. I need this opti isolator instead of a regular relay to avoid the annoying loud click!
View Articleerff on BOB-09118 - SparkFun Opto-isolator Breakout
I wish there was another version that could do high current
View Articlemungbean on COM-10442 - LED Tactile Button - Red
I bought some of these years ago and only just got round to using one. I missed it first time around, but there's a TINY + sign on one of the raised white bits to show where the anode of the LED is...
View Articlemungbean on BOB-10467 - LED Tactile Button Breakout
I bought some of these years ago and only just got round to using one. I missed it first time around, but — assuming you're using LED Tactile Button such as COM-10442 — there's a tiny '+' sign on one...
View ArticlePaulZC on SPX-25365 - Soft Power Switch Mk2 - JST 2mm
Hi. VIN and VOUT are not isolated, but you should have no problem using this with an independent microcontroller. GND is common between the JST connectors (battery negative) and the GND breakout pad....
View ArticleUniplast21 on KIT-23451 - SparkFun ISP Pogo Adapter v2
What exactly makes this a “V2”? It’s identical to the original. The underside of the board even says “V10” just like the original. The only difference is that this kit does NOT come with the 1x6 pin...
View Articleblorgggg on SEN-21276 - ArduCam 64MP Autofocus Camera Module
Is this the Hawkeye version or is this the newer owl site version?
View ArticleCustomer #261984 on PRT-26026 - Raspberry Pi 5 Camera Cable - 500mm
This product description seems contrdictory. It says it's a camera cable for use with a display, then says "The camera cable should not be used with a display, and vice versa." Which is it?
View ArticleCustomer #1921166 on COM-16566 - SparkFun Qwiic Quad Relay
Bought through Digikey in October 2024 - The board still has the problems discussed in the reviews section and died after about 10 minutes of consistent use over two days.
View ArticleSormaz on COM-23979 - SparkFun MOSFET Power Switch and Buck Regulator (Low-Side)
Is it just a matter of adjusting R7 and R8 to get a 5V output? any other considerations?FWIW I am just putting another 47k resistor in parallel with R8 to get the appropriate ratio.
View ArticleCustomer #707384 on SEN-08679 - SoftPot Membrane Potentiometer - 200mm
How wide is the soft pot? The data sheets don't mention it's size?
View ArticleCustomer #1180405 on SEN-15441 - SparkFun Lightning Detector - AS3935
I tried compact this module into a 95mm x 65mm x 25mm Transparent plastic box with 006P(9V)Battery, 3-Terminal regulator, small ESP32 CPU and OLED dispaly. However, I seems that background noises...
View ArticleCustomer #463397 on KIT-21285 - SparkFun Qwiic Starter Kit for Raspberry Pi
Does this kit work with Raspberry Pi 5?
View ArticleZach2 on PRT-14411 - SparkFun LiPo Charger/Booster - 5V/1A
Does anyone know exactly which version of the MCP73831 is being used on this board? I am using it with a 2000mA 3.7v LiPo and while it charges fine the STAT (charging) LED never goes off. I suspect...
View ArticleSparkFro on SEN-24904 - SparkFun Optical Tracking Odometry Sensor - PAA5160E1...
Hello! There is a sample OpMode available for this sensor in Blocks. Just make sure you're using SDK v10.0 or greater, and it should appear in list of sample OpModes.
View ArticleTechMaze on PRT-26784 - SparkFun Qwiic Power Switch
What is the voltage drop? What is the relationship between current and voltage drop?
View Articleasturmaps on SPX-25365 - Soft Power Switch Mk2 - JST 2mm
Hi, how would I connect it to a PC to reprogram it? Thanks
View ArticlePaulZC on PRT-26784 - SparkFun Qwiic Power Switch
Hi. The "switch" is a DMG2305UX P-Channel MOSFET. Its on-resistance is around 52 milliOhms (0.052 Ohms). You can use Ohm's Law to calculate the drop... I hope this helps, Paul
View Articledlkeng on PRT-26993 - SparkFun Soft Power Switch - JST 2mm
Documents -> Schematics returns "404 - Not Found"
View ArticleCustomer #478181 on PRT-26993 - SparkFun Soft Power Switch - JST 2mm
Schematic link broken; available directly on GitHub.
View ArticleCustomer #478181 on SPX-25365 - Soft Power Switch Mk2 - JST 2mm
Why not I ask? The output switch has level shifting. The board would be much more useful if logic voltage were derived from VIN, i.e. regulated, and VIN could handle higher voltage as I and probably...
View Articlebboyho on PRT-26993 - SparkFun Soft Power Switch - JST 2mm
Nice catch! In the address, a letter changed from a lower case 'v' to a upper case 'V'. Sorry about that, the link has been updated
View ArticleCustomer #627366 on COM-15168 - SparkFun Qwiic Joystick
There is no board dimension file for this product like other products have. These files are very handy when creating components to insert the device into. Please add.
View Articlepeseaunt on DEV-23551 - Raspberry Pi 5 - 8GB
The power supplies for these come separate right? Which power supply is the one to get? Thanks.
View ArticleCustomer #1925744 on SEN-18364 - Humidity and Temperature Sensor - DHT20
Hello, Please, Can I get the correct circuit connection for this, Not sure what I am doing wrongly.
View ArticlePearce on DEV-23551 - Raspberry Pi 5 - 8GB
They do come separate. Check out the power supplies in the related products and frequently bought together sections. They will be compatible with the Raspberry Pi 5.
View ArticleLutorm on SPX-20107 - Satellite Transceiver Function Board - Swarm M138
You can no longer sign up for Swarm service or buy the modem, so you should probably retire this product, too.
View Articlemeekthegeek on BOB-00717 - SparkFun SOT23 to DIP Adapter
This needs a marker for a pin #1. Once an SOT23-6 chip gets covered in solder paste, the writing wipes off, and you cannot tell which side is up/pin#1 by looking at the chip.I've taken to marking a pin...
View ArticleCustomer #667626 on KIT-27252 - Raspberry Pi Compute Module 5 Development Kit
How do you order the compute module 5 development kit with a different compute module (CM5 32GB/8GB)?
View ArticlePearce on KIT-27252 - Raspberry Pi Compute Module 5 Development Kit
This is the only development kit available at the moment. Though all parts are available separately.
View Articleratsnest on DEV-15423 - SparkFun Qwiic Micro - SAMD21 Development Board
Yup. TX and RX are switched on the silkscreen.
View Articlemarsfan on SEN-19040 - Luxonis Oak-D LITE
I know your comment is ~2 years old at this point, but for anyone else wanting to know, I just ordered one through SparkFun thiss past week, and it came with the BMI270 IMU. Its less feature rich...
View Articleratsnest on PRT-16766 - Qwiic JST Connector - SMD 4-Pin (Vertical)
I will also post a cautionary message since it seems that this hasn't been addressed in the four years since the last one. The pinout for this connector on all of the Sparkfun designs is backwards from...
View ArticleCustomer #886615 on SPX-16618 - Qwiic Humidity AHT20
Had to modify the library to 'wire1' from 'wire' to use with ESP32 qwik port, else reported no AHT20 found. Maybe SF could add code to the library to check for presence of wire1?
View ArticleCustomer #1272652 on DEV-26125 - Raspberry Pi 5 - 2GB
I'm writing this in response to the reviewer who was upset about needing a new "brick". The $12 black (white not available at time of writing) Raspberry Pi 27W USB-C PD (Power Delivery) Power Supply,...
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