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Nerdiy.de – Nerdy DIY HowTo's about electronic, 3D-printing and more.

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Category: Review

Review: PCB Service of PCBWay.com

Posted on 22. August 2020 by Fab

It’s been a while since PCBWay asked me to test their PCB manufacturing service. This was a perfect opportunity to have the circuit board for the “mobileSupply” project manufactured . […]

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First test of the 3d printed worm gear for WinDIY_2 - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_nh3kvne9L6o

I hope this is still compliant with the rules when I present the results of the #solderingSunday on the #microscopeMonday? 😌 You can see the assembly and soldering of the WS2812 LEDs on the front of the boards of my still secret project. :)⁣
The boards were provided by @pcbway. 😍⁣
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de on instagram or here on youtube.

Some reflow soldering action on the PCB of my secret project - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_-j-aAnoSS1E

First test of the 10x10 WS2812 LED-Matrix of my new pxlBlck_PCB - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_eazPh7dQsbs

First try of the automatic tip change of my pick and place machine - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_YfXAucYReh8

(... Continuation of my previous post) So the stepper motor still didn't have enough torque. No problem, I thought, a little more motor current should fix this. So I turned the potentiometer for setting the motor current on the A4988 stepper motor driver to the maximum position. The reference voltage "Vref" is set with this potentiometer. In combination with the resistor "Rs" built into the stepper motor driver (and the now set reference voltage Vref = 0.8V), the following motor current results according to the data sheet of the driver: Imtr = Vref / (8 * Rs) At this point I also noticed that the value 0.1Ohm was installed on the stepper motor for the "Rs" resistor. Sufficient for most stepper motors. Unfortunately I wanted to run my newly installed stepper motor with its maximum current of 1.7A. With this "Rs" value, however, a maximum of only 1A can be set. In order to extend the setting range for the motor current up to 2A, for example, the value for Rs must decrease to 0.05Ohm. Usually not a problem. Unfortunately I didn't have the 0402 SMD resistor there. But: I had an old defective motor driver with the same values. So if I were to unsolder the Rs from the defective motor driver and solder it in parallel to the Rs in the intact motor driver, the total resistance of the two Rs connected in parallel would have to reduce to 0.05Ohm. That's the plan. You can see the conversion in the video. And why that should still not lead me to my goal, you will see in the next post. 🙂 ⁣
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de on Instagram

#Nerdiy.de #Nerdiy #Nerdy #science #picknplace #pickandplace #DIY #3dprinting #soldering #physics #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #esp #project #solderingiron #makerlife #stepper #motor #electricalengineering #iot #espeasy #steppermotor

Reducing the Rs resistor on the A4988 stepper driver

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_goC266XXRc0

This section of the pxlBlck_multiPCB is literally self-explaining. 😂 A large part of the new functionality is now running. I was very curious about the MAX98357 I2S Class D amplifier. This is connected to the ESP32 via I2S. MP3s can be played from the inserted micro SD card, web radio can be streamed or text can be read aloud. The goal is that the pxlBlcks will soon also be able to play audio data. For example, you could be informed acoustically about events in the SmartHome. Alternatively, you could also play a web radio stream in this way. 🙃⁣ The PCB is made by @pcbway. 😍
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de on Instagram

Test of the MAX98357 on the pxlBlck_multiPCB - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_JmERTyVB5D0

Complete build guide available here: https://nerdiy.de/en/howto-pxlblck-pxlblck_cassettelamp-aufbauen/

In the last few days I have finished the article for the pxlBlck_CassetteLamp. This lamp is a little homage to the time when music was not on a 512GB micro SD card but in the form of audio cassettes. I thought it was a shame to let the cassettes gather dust in a box in the basement and made a small decorative lamp out of them. With the help of a few # WS2812 LEDs, an ESP8266 and an old USB power supply unit, the pxlBlck_CassetteLamp can be built. With the help of the #pxlBlck plug-in, the lamp also gets a few SmartHome functions and can thus also inform about events in your SmartHome. In addition to the setting options via WiFi, the lamp can also be adjusted with the help of a pen - just as the cassette tape salad used to be wound up. You can find the build instructions including a list of needed materials and detailed pictures on my blog at Nerdiy.de. 🙃

You can find more information and detailed instructions for my projects on NerDIY.de 🤓
If you like what I'm doing follow me on @Nerdiy.de on instagram

pxlBlck_CassetteLamp by Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_7clz58zdGsM

Here is a short summary of the structure of the bracket for the new controller board of my #pcknplc machine. The board is mounted on the base plate using a 3D printed bracket, official_ruthex threaded inserts and a few screws. 🙃

You can find more information and detailed instructions for my projects on NerDIY.de 🤓
If you like what I'm doing follow me on @Nerdiy.de on instagram

#Nerdiy.de #Nerdiy #Nerdy #physics #threadedinsert #picknplace #DIY #3dprinting #soldering #science #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #esp #project #solderingiron #makerlife #automation #motor #electricalengineering #iot #espeasy #pickandplace

Assemby of 3D printed mount frame for BTT SKR 1.4 Turbo - Nerdiy.de

YouTube Video VVViempwN2RDMlRmWkY4alhrUGpFZ0hBLl9zXzBtX2VabWxZ

In the meantime I have finished the holder for the tips of the #pcknplc machine. There is space for up to eight tips. Each individual tip is pulled into the correct end position by a small magnet. I've tried different versions and especially experimented with the distance between the magnets and the tips. There should be enough force on the tips to pull them into the correct position. At the same time, they should not be magnetized too much. In this way, I want to avoid that the potentially magnetized tips will attract components when they are not supposed to. 🙃 The holder is required later - depending on the component size - to automatically attach the correct tip to the pick head. 🙃⁣
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de⁣
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#Nerdiy.de #Nerdiy #Nerdy #picknplace #threadedinsert #mechanics #DIY #3dprinting #soldering #mechanicalengineering #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #esp #project #solderingiron #makerlife #brushless #motor #electricalengineering #iot #espeasy #pickandplace

Nozzle holder for my pick and place machine - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_4RfYagkcU9Q

It doesn't look like much, but it was quite a bit of work. 😂 The controller boards I have used so far are all based on the Marlin firmware. The controller board of my #pcknplc machine is based on the smoothieware. The latter uses a completely different concept for configuration. A couple of timing belts have suffered a bit, but now it's moving. 😍 🙃

You can find more information and detailed instructions for my projects on NerDIY.de 🤓
If you like what I'm doing follow me on @Nerdiy.de on instagram

#Nerdiy.de #Nerdiy #Nerdy #smd #threadedinsert #automation #DIY #3dprinting #soldering #mechanics #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #esp #project #solderingiron #makerlife #mechanicalengineering #motor #electricalengineering #iot #espeasy #picknplace

Pick and place machine first moves - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_G5XywlZgmvs

In the last few days I fixed a few bugs in the #pxlBlck plugin. Now the TV simulator dial is working properly. This simulates the typical flickering of a television and can be activated, for example, when nobody is at home. With a little distance, the resulting flickering looks from the outside, viewed through a window, as if someone inside is watching TV. I implemented a code from @adafruit in such a way that it also runs in a "non blocking way" on the ESP. The color information comes from the "Color lines" of Disney films. 🙃⁣
In addition to this change, the RGBW handling has also been improved. Now RGBW Leds aka SK6812 are supported properly. Therefore the color menu has also been revised a bit. In addition, you can now switch between a twelve- and 24-hour mode for some dials. I hope you like the new features. 🙃⁣
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de⁣ on instagram
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#Nerdiy.de #Nerdiy #Nerdy #rgb #simulator #sk6812 #DIY #3dprinting #soldering #rgbw #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #esp #project #digitalart #makerlife #tv #retro #electricalengineering #iot #espeasy #led #smarthome

pxlBlck plugin now comes with a TV simulator - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_n69maIjxk08

Maybe you know those walls that don't hold any dowels. At least not if it has to hold more than its own weight in the wall. So I didn't want to drill new holes in the wall to hang up my new workbench lamp. Practically, a shelf hung exactly where the lamp should hang, which is secured in the wall with concrete anchors and should also bear the additional weight of the lamp. But since I didn't want to damage the shelf either, I designed a clamp bracket and 3D printed it. Held together by threaded inserts and four M4 screws, the bracket can be clamped onto the shelf and the lamp hooked into it. 🙃⁣
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de on⁣ instagram
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#Nerdiy.de #Nerdiy #Nerdy #lifestyle #threadedinsert #lifehacks #DIY #3dprinting #soldering #workshop #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #esp #project #solderingiron #makerlife #brushless #motor #electricalengineering #iot #espeasy #lamp

3D printed mount for my workbench light - Nerdiy.de

YouTube Video VVViempwN2RDMlRmWkY4alhrUGpFZ0hBLkRrY2xXYnFhbVpr

Assembling the camera unit including LED ring for my #pcknplc machine. 🙃⁣
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de⁣ on instagram
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#Nerdiy.de #Nerdiy #Nerdy #smd #threadedinsert #mechanicalengineering #DIY #3dprinting #soldering #camera #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #esp #project #solderingiron #makerlife #brushless #motor #electricalengineering #iot #espeasy #picknplace

Assembly of the camera module for my pick and place machine - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_1tj51nKDxeo

Short preview of the assembly of the #pxlBlck_10x10mini. I changed the design of the case so that it is easy to assemble and is held together with just one M2 screw threaded insert. Due to the higher resolution, even more clock faces can be shown on this display than on the pxlBlck_8x8. Scrolling texts, icons and the familiar animations also work on the display, of course. 🙃⁣
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You can find more information and detailed instructions for my projects on NerDIY.de 🤓⁣
If you like what I'm doing follow me on @Nerdiy.de on instagram

#Nerdiy.de #Nerdiy #Nerdy #mechanicalengineering #threadedinsert #mechanics #DIY #3dprinting #soldering #led #doityourself #electronics #tech #technology #engineering #3dprinter #maker #arduino #esp8266 #project #solderingiron #makerlife #smd #physics #electricalengineering #iot #espeasy #pxlblck #retro #digitalart

First preview of the pxlBlck_10x10mini - Nerdiy.de

YouTube Video VVViempwN2RDMlRmWkY4alhrUGpFZ0hBLnZoMzl4WnhSRm5r

First movements of my pick and place machine - Nerdiy.de

YouTube Video UCbzjp7dC2TfZF8jXkPjEgHA_3oGhksuGuu0

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Latest articles

News: May 2021 – Current projects and developments
HowTo: 3D Printing – Rapid prototyping service of PCBWay.com
HowTo: pxlBlck – Build your own pxlBlck_CassetteLamp
HowTo: ESPEasy – Connect the APDS-9960 gesture sensor to the ESP8266 / ESP32 and read its values
HowTo: 3D printing – Build a Y-distributor for a 125mm exhaust hose

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