Evaluation of modern pressure sensors with digital interface
Created: 10 April 2017
Test of signal/noise and stability performance of All Sensors DLHR and Honeywell RSC low pressure sensors.
Study of temperature coefficient on 260 precision resistors
Created: 09 January 2017
Measurement and comparison of various precision resistors stability and temperature coefficient
Tweaks and mods for HP 3457A 6.5-digit DMM
Created: 31 December 2016
Various modifications and circuit improvements of HP 3457A 6½-digit system DMM
HP/Agilent/Keysight 3458A 8.5-digit DMM modifications and tweaks
Created: 28 December 2016
Experiments around 3458A circuitry.
Tale 1 : Little jumper, or sharks in voltage references world
Created: 12 October 2016
Custom precision voltage reference build for hobbyist use. Engineering fairy-tale.
Ultra-quiet LDO module design, based on Linear LT3042
Created: 31 August 2016
Design and evaluation of ultra-low linear regulator modules, using Linear LT3042 in DFN package.
Ratiometric resistance measurements
Created: 27 August 2016
Methods and equipment for high resistance measurement accuracy.
International SI volt transfer experiment
Created: 27 May 2016
Voltage transfer experiment, using LTZ1000A-module for stable +7 VDC transfer.
Repair and use of old 19" TFT LCD monitor
Created: 20 May 2016
Prompt repair of old 19" TFT LCD monitor and reuse as Raspberry Pi display
xDevs.com development mini-modules
Created: 31 March 2016
Overview on our legacy MCU and CPLD development modules
DIY Calibration resistance box build
Created: 27 March 2016
Building precision resistor box for calibration purposes
DIY PCI expander board for IRAM DRAM-based drives
Created: 17 March 2016
Quick and dirty DIY expander for PCI slots (power only) for Gigabyte IRAM PCI SSDs.
Design of low-noise power supply for DIY precision standard
Created: 22 February 2016
Design and concept of prototype low-noise power supply for DIY standard
Testing of Fluke 720A KVD resistors
Created: 15 February 2016
Test of wire-wound precision resistors from Fluke 720A KVD
LCD font generation with font examples
Created: 15 January 2016
Devices and microcontroller projects which have LCD often require bitmap fonts. Guide about making and using LCD fonts.
Using Raspberry Pi SPI in Python
Created: 24 November 2015
Quick example of setting up Raspberry Pi to work with SPI ports, using Python
HP 3458A GPIB remote control guide
Created: 09 November 2015
Article covering remote operation and programming examples for 8.5-digit HP 3458A multimeter
xDevs.com Neutron : Automated power supply test unit
Created: 17 August 2015
Article covering design, assembly and usage of our ATE unit for PC ATX power supplies.
Experiment to reducing noise of Keithley 2002 DMM ADC
Created: 09 August 2015
Noise test with various modifications for zero reference opamp on Keithley 2002 ADC
DMM noise measurement test project
Created: 05 August 2015
Test project of bench DMM noise levels evaluation, using DCV ranges and various NPLC settings.
How-to weld own Thermal K probe using common powersupply
Created: 25 July 2015
Simple tutorial for making K-type thermocouple probes from bare wire and high-current power supply
xDevs.com VARM - versatile dual-channel panel meter
Created: 23 July 2015
Simple, yet useful dual-channel voltmeter for panel/embedded used. Open-source/open-hardware project.
DIY upgrade for Fluke 51-II thermometer
Created: 04 May 2015
Modifications for second channel on Fluke 51-II and data logging.
Simple CSV parsers for datalogs in Python
Created: 13 March 2015
How to parse CSV datalog with Python
xDevs.com KX LTZ1000-based DC Voltage reference design
Created: 04 March 2015
Voltage reference module design using Linear LTZ1000 and LM399 ovenized zeners.
Adding I2C0 port to Raspberry Pi B Rev 2.0
Created: 28 January 2015
How to unhide and use second I2C port on Raspberry Pi B (Rev 2.0).
Изучаем Cadence Allegro PCB Editor
Created: 17 September 2014
WIP Article about Cadence Allegro PCB Editor
Memory options on Keithley 2001/2002 series DMMs
Created: 17 September 2014
Configuring memory options STD/MEM1/MEM2 for Keithley 2001 and 2002 series system DMMs
How-to: Powering stand-alone PCIe videocard without MB
Created: 09 August 2014
Using DIY PCIe slot adapter to power VGA without motherboard.