Top Posts Tagged with #electronicsgeek

Got lots and lots of solenoids?

We were chatting with a customer and realized we need a better solution for customers with many solenoids or other high-current on/off loads. This breakout will make it easy to control and power many inductive or high-current loads. An mcp23017

https://www.digikey.com/short/nf4pn2rc

expander over I2C provides 8 output pins, each connected to an AO3406 N-Channel FET

https://www.digikey.com/short/rh398zbh

with a 1N4007 flyback diode.

https://www.digikey.com/short/343h9890

Terminal blocks allow for quick wiring to power and each high current output, including one chunky block for the power input. The other 8 expander I/Os are exposed if you want buttons or simple LEDs. The breakouts have stemma QT for fast chaining/control over I2C.

•18+ Adults Only

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Trinamical stepper breakout with TMC2209

About two weeks ago, we designed a breakout for the A4988

https://blog.adafruit.com/2024/11/11/the-a4988-is-a-classic-stepper-driver-in-a-new-fit/

and we're still waiting for those prototype PCBs, but we're not one to wait, because we think that the idea is a good one…so why not design another version? This time with the Trinamic TMC2209

https://www.digikey.com/en/products/detail/analog-devices-inc-maxim-integrated/TMC2209-LA-T/10232491

This is a similar "Step & Dir" type driver, with a wide motor range of 4.75 – 28 Volts and separate 3~5V IO pin. It has a couple nifty upgrades, though: like a diagnostic error output, index out so you know if you dropped a microstep, OTP config memory, and a half-duplex UART pin that you can use to configure and read stats from the chip. We kept the direction/step LEDs and the current-limit-set potentiometer, changed a few pins around, and voila! What do you think?

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Here’s a project you don’t see everyday from our friends at @electronics.geek A cellphone signal jammer. I’m not sure If this would be legal in most places but I could have used this when I taught university a few years back 😂 - Make sure to check out his feed for more projects like this! - Tag someone you think could use a project like this! 🧐 - - - Posted @withrepost • @electronics.geek Cell phone signal jammer 👨‍🏭 Keep supporting and follow💌❤️ @asrelectronicsgeek for more Share With Our #Friends 👨‍💼👨‍💼 I love my followers ❤💙💚💛💜💯 @electronics.geek💌 ‌ Follow my friends @mr.dharoniya_youtube_channel @a_y_technology @newtech4u #electronicsgeek #electricalengineering #electronicsengineering #electricalengineeringstudent #electronicstudent #engineering #engineeringmemes #engineeringstudent #engineeringschool #studygram #electricmotors #generators #force #studyelectrical #magnetism #electrical #electricalcontractor #electricalprojects #electrician #electricianlife #electricianlife #spiderproject #diyelectronics #electronicsdiy #electronicsidea #electronicsengineer #electronicsengineering #engineering #engineer #aytechnology (at Busan, South Korea) https://www.instagram.com/p/B4w1uOVDwod/?igshid=ffd4a582j597

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