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The used OLED displays for Smart Stepper have wiring order GND-VCC-SCL-SDA. We figured out that there are nearly identical modules on the market which have another order. The following photo shows another OLED display with order VCC-GND-SCL-SDA. We need to che...

Traco Power TMA 2405S Pin 1 = 24V In Pin 2 = GND1 Pin 4 = 5V Out Pin 6 = GND2 ceramic condensator (KERKO) Pin 1-2: 1-50µF, 35V ceramic condensator (KERKO)  Pin 4-6: 1-50µF, 10-16V Warnings This USB hub is cheap and has backfeeding issue. We should ...

  These stepper motor are strong Nema 17 which are installed at the A,B, C and D drives.

Hardware To connect a PT100 sensor to a Duet, you need a RTD interface board based on the MAX31865 chip. The interface board you need depends on which Duet you have. Duet 2 (WiFi, Ethernet and Maestro) and Duet 3 These Duets support up to two MAX31865-based...

This type is a point laser for the projection of a red laser dot and is a laser module which is much better visible through the wavelength of 635nm than a comparable laser with 650nm. The optical diode power of the laser module is . Typical applications are lo...

Notes about Trikarus wiring PSU The switching power supply can be switched on and off via a relay. This saves power consumption, the life time can be improved, there is less audio noise and the safety of the machine is better. The PSU relay is switched o...

Note: The Smart Steppers are wired with 5V IN at the module side,  but not at Duet. The power for the modules come from USB hub. For this reason the 5V wires are not shown in the following diagram:

  Notes There are different versions of the UPS ("USV" is german short name for this) on the market. Shanqiu Mini USV FX5-48 and Vultec Continuity UPS30PW-DC are nearly the same models except different color, POE wattage and branding. Both come w...

MPU6050 pin configuration Pin number Pin name Description 1 Vcc Provides power for the module, can be +3V to +5V. Typically +5V is used 2 Ground Connected to Ground of system 3 Serial...

Electrical Components on the MisfitTech Smart Stepper Board Allegro 4954LPT DMOS PWM Motor Driver AMS AS5047D High Speed Position Sensor Atmel ATSAMD21G18 Cortex MCU Neodymium magnets and encoder sensor The reference magnet for the AS5047D e...

  Description (copied from https://www.duet3d.com/DuetEthernet) This is the latest PCB revision of the Duet 2 Ethernet, v1.04. The Duet 2 Ethernet is an advanced 32 bit electronics board for the control of 3D printers and other CNC machines. It has th...

Monitoring the network neighbours can possibly help to find attack vectors in Freifunk Network. On Linux, the onboard arp tool will only show the IP/MAC combinations that the system has already used. So, it will only show the Raspberry Pi in that list if you h...

We use this script in local mode to have a quick emergency halt possibilty. Never use this over internet. Only use local network connection! Download portable AutoHotKey https://www.autohotkey.com/download/ https://github.com/Lexikos/AutoHotkey_L/releases ...

vim /opt/swappy.sh #!/bin/bash free_data="$(free)" mem_data="$(echo "$free_data" | grep 'Mem:')" free_mem="$(echo "$mem_data" | awk '{print $4}')" buffers="$(echo "$mem_data" | awk '{print $6}')" cache="$(echo "$mem_data" | awk '{print $7}')" total_fr...