56,966 blogs · [ { "id": "01a08798-5623-7268-bd22-04aa03bdeed0", "title": "Designing an FPGA development board support plate with Freecad for 3D printing", "url": "http://langster1980.blogspot.com/2025/12/designing-fpga-development-board.html", "published_at": "2025-12-20T18:04:00+00:00" }, { "id": "01a08798-5623-7268-bd22-04aa04146676", "title": "Updating a 25 Year old Test Rig!", "url": "http://langster1980.blogspot.com/2025/12/updating-25-year-old-test-rig.html", "published_at": "2025-12-15T20:23:00+00:00" }, { "id": "01a08798-5623-7268-bd22-04aa04195862", "title": "More work on the Robot Arm - EEZYBot Mk 2", "url": "http://langster1980.blogspot.com/2025/11/more-work-on-robot-arm-eezybot-mk-2.html", "published_at": "2025-11-19T17:54:00+00:00" }, { "id": "01a08798-5623-7268-bd22-04aa04c4f752", "title": "Create Wiring Harnesses using WireViz 0.41", "url": "http://langster1980.blogspot.com/2025/09/create-wiring-harnesses-using-wireviz.html", "published_at": "2025-09-14T19:49:00+00:00" 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Comparator", "url": "http://langster1980.blogspot.com/2014/12/using-op-amps-as-analogue-comparators.html", "published_at": "2014-12-07T21:55:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67925f70e", "title": "Elbert V2 Seven Segment Ghosting Removal", "url": "http://langster1980.blogspot.com/2014/12/elbert-v2-seven-segment-ghosting-removal.html", "published_at": "2014-12-02T21:06:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67a171cb1", "title": "Elbert V2 VHDL Tutorial", "url": "http://langster1980.blogspot.com/2014/11/elbert-v2-vhdl-tutorial.html", "published_at": "2014-11-24T23:08:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67ad51a28", "title": "How to use a pressure sensor with a Microcontroller (MPS20N0040D-D)", "url": "http://langster1980.blogspot.com/2014/11/how-to-use-pressure-sensor-with.html", "published_at": "2014-11-18T13:00:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67aee691e", "title": "Simple Flyback Driver", "url": "http://langster1980.blogspot.com/2014/10/simple-flyback-driver.html", "published_at": "2014-10-24T23:25:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67af7d585", "title": "mbed CAN Bus Tutorial", "url": "http://langster1980.blogspot.com/2014/10/mbed-can-bus-tutorial.html", "published_at": "2014-10-16T22:21:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67bf021c7", "title": "Elbert V2 Nand Gate Tutorial", "url": "http://langster1980.blogspot.com/2014/10/elbert-v2-nand-gate-tutorial.html", "published_at": "2014-10-12T19:25:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67c3e7f49", "title": "Elbert V2 FPGA Tutorial", "url": "http://langster1980.blogspot.com/2014/10/elbert-v2-fpga-tutorial.html", "published_at": "2014-10-05T22:30:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67c41c77f", "title": "How to design a PCB using Cadsoft Eagle 7.1", "url": "http://langster1980.blogspot.com/2014/09/how-to-design-pcb-using-cadsoft-eagle-71.html", "published_at": "2014-09-21T17:42:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67d02ef03", "title": "How to input a schematic diagram using Cadsoft's Eagle 7.1", "url": "http://langster1980.blogspot.com/2014/09/how-to-input-schematic-diagram-using.html", "published_at": "2014-09-21T09:48:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67d687269", "title": "How to design a simple light dark detector", "url": "http://langster1980.blogspot.com/2014/09/how-to-design-simple-light-dark-detector.html", "published_at": "2014-09-10T12:02:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67e5107ab", "title": "mbed 4D Systems Display Tutorial with a rockerSW object", "url": "http://langster1980.blogspot.com/2014/07/mbed-4d-systems-display-tutorial-with.html", "published_at": "2014-07-04T19:23:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67e9f2207", "title": "Bluetooth Controlled Arduino Robot", "url": "http://langster1980.blogspot.com/2014/06/bluetooth-controlled-arduino-robot.html", "published_at": "2014-06-29T19:44:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67f582eae", "title": "LM386 Stereo Amplifier", "url": "http://langster1980.blogspot.com/2014/05/lm386-stereo-amplifier.html", "published_at": "2014-05-05T22:58:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67f945b04", "title": "LM386 Ruby Amplifier", "url": "http://langster1980.blogspot.com/2014/05/lm386-ruby-amplifier.html", "published_at": "2014-05-03T15:53:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb67fe47c5e", "title": "How to make a Printed Circuit Board!", "url": "http://langster1980.blogspot.com/2014/03/how-to-make-printed-circuit-board.html", "published_at": "2014-03-22T17:47:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb68015c93b", "title": "mbed controlling a 4D Systems uLCD-43PCT and four LEDS", "url": "http://langster1980.blogspot.com/2014/01/mbed-controlling-4d-systems-ulcd-43pct.html", "published_at": "2014-01-29T23:13:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb680e4d127", "title": "mbed SD Card tutorial", "url": "http://langster1980.blogspot.com/2014/01/mbed-sd-card-tutorial.html", "published_at": "2014-01-14T23:27:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb6814bd7f3", "title": "4D Systems mbed Tutorial", "url": "http://langster1980.blogspot.com/2014/01/ulcd-43-display-mbed-tutorial.html", "published_at": "2014-01-05T17:03:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb68226baeb", "title": "Rendering an Eagle PCB layout for an LM311 LC Meter with Arduino Uno", "url": "http://langster1980.blogspot.com/2014/01/rendering-eagle-pcb-layout-for-lm311-lc.html", "published_at": "2014-01-02T23:52:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb683080e7a", "title": "Finishing the Knock Clock!", "url": "http://langster1980.blogspot.com/2013/12/finishing-knock-clock.html", "published_at": "2013-12-01T14:11:00+00:00" }, { "id": "01a0bb64-5890-70af-99ea-4bb68348f67d", "title": "Knock Clock with DS1307 continued!", "url": "http://langster1980.blogspot.com/2013/11/knock-clock-with-ds1307-continued.html", "published_at": "2013-11-22T23:04:00+00:00" }, { "id": "01a0bb6a-5b67-73f3-8bec-71d6945c44fc", "title": "Knock Clock Using DS1307 and an Arduino", "url": "http://langster1980.blogspot.com/2013/11/knock-clock-using-ds1307-and-arduino.html", "published_at": "2013-11-17T21:52:00+00:00" }, { "id": "01a0bb6a-5b67-73f3-8bec-71d694683fba", "title": "How do Switch-Mode Boost Converters Work", "url": "http://langster1980.blogspot.com/2013/10/how-do-switch-mode-boost-converters-work.html", "published_at": "2013-10-06T22:14:00+00:00" }, { "id": "01a0bb6a-5b67-73f3-8bec-71d694f72525", "title": "Arduino LC Meter Shield", "url": "http://langster1980.blogspot.com/2013/07/arduino-lc-meter-shield.html", "published_at": "2013-07-20T21:19:00+00:00" }, { "id": "01a0bb6a-5b68-71a0-aa93-f5ff4fbc75da", "title": "Display and Control Section for AD9835 project", "url": "http://langster1980.blogspot.com/2013/01/display-and-control-section-for-ad9835.html", "published_at": "2013-01-27T22:10:00+00:00" }, { "id": "01a0bb6a-5b68-71a0-aa93-f5ff500f1730", "title": "Power supply for function generator", "url": "http://langster1980.blogspot.com/2013/01/power-supply-for-function-generator.html", "published_at": "2013-01-22T20:23:00+00:00" }, { "id": "01a0bb6a-5b68-71a0-aa93-f5ff50afe0a9", "title": "AD9835 Amplifier Stage", "url": "http://langster1980.blogspot.com/2012/10/ad9835-amplifier-stage.html", "published_at": "2012-10-22T21:36:00+00:00" }, { "id": "01a0bb6a-5b68-71a0-aa93-f5ff51378d2a", "title": "Op-Amps and Inverting and Non-Inverting Amplifiers", "url": "http://langster1980.blogspot.com/2012/10/op-amps-and-inverting-and-non-inverting.html", "published_at": "2012-10-21T18:16:00+00:00" }, { "id": "01a0bb6a-5b68-71a0-aa93-f5ff51abd145", "title": "Filter for the AD9835 Function Generator", "url": "http://langster1980.blogspot.com/2012/10/filter-for-ad9835-function-generator.html", "published_at": "2012-10-16T21:47:00+00:00" }, { "id": "01a0bb6a-5b68-71a0-aa93-f5ff52863d66", "title": "Function Generator - AD9835 Based", "url": "http://langster1980.blogspot.com/2012/10/function-generator-ad9835-based.html", "published_at": "2012-10-14T21:46:00+00:00" } ] posts Claim your blog

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2025

Designing an FPGA development board support plate with Freecad for 3D printing original ↗

20 Dec 2025

Updating a 25 Year old Test Rig!original ↗

15 Dec 2025

More work on the Robot Arm - EEZYBot Mk 2 original ↗

19 Nov 2025

Create Wiring Harnesses using WireViz 0.41 original ↗

14 Sept 2025

2024

Plotting Data and performing integration using a spreadsheet program original ↗

2 Jan 2024

2022

NeoPixel Circle PCB original ↗

4 Jul 2022

DMX to Neopixel Arduino Shield original ↗

1 Jul 2022

Designing a DMX controlled Patio Light with Neopixels original ↗

1 Jul 2022

Designing a simple breakout PCB for a 3D printing project original ↗

15 Mar 2022

2021

DMX to control NeoPixels and an Isolated DMX Shield original ↗

21 Aug 2021

2020

How to design a simple LED Circuit original ↗

13 Dec 2020

Product Review - Seeed Studio's new STEAM Grove Beginner Kit For Arduino original ↗

28 Jul 2020

More work with the Venturi Tube (Mark 4)original ↗

7 Jun 2020

Testing the new venturi tube (Mark 4)original ↗

6 Jun 2020

Design a better Venturi Tube!original ↗

4 Jun 2020

STM32 Blue Pill with MPXV7002DP Differential Air Pressure Sensor and Venturi Tube original ↗

31 May 2020

2019

How to Drive a Solenoid from a Microcontroller original ↗

20 Jun 2019

2018

AD9850 Signal Generator original ↗

12 Mar 2018

2017

Pulse Oximeter Functionality for a Medical Device original ↗

17 Sept 2017

Using Components in VHDL original ↗

11 Sept 2017

Designing A USB Breakout Board!original ↗

1 Aug 2017

Having electronic breakout boards manufactured in China by Elecrow original ↗

24 Jul 2017

Myoware muscle sensor circuits from Sparkfun and others....original ↗

21 Jun 2017

Tutorial for Xilinx DCM Clock Generator with the Mimas V2 original ↗

8 Jun 2017

Graphing the Data from the Venturi Tube original ↗

9 May 2017

Making a Venturi Tube original ↗

8 May 2017

Create a Spirometer using the MPX7002DP Differential Pressure Sensor original ↗

22 Apr 2017

Using the MPX7002DP Differential Pressure Sensor with an Arduino Uno original ↗

17 Apr 2017

Driving the VGA Port on the Mimas V2 original ↗

12 Apr 2017

Another Robot Arm!original ↗

13 Mar 2017

Multifunctional Medical Training Device original ↗

10 Mar 2017

How to make a Twin T Notch Filter original ↗

19 Feb 2017

2016

Switch De-bouncing in VHDL for the Mimas V2 FPGA Development Board original ↗

16 Jul 2016

Linux on the Mimas V2 original ↗

15 Jun 2016

Designing a pressure sensor using Velostat original ↗

9 Jun 2016

Converting an upright piano to an electronic midi piano original ↗

5 Jun 2016

Generating more square wave pulses using counters on the Mimas V2 original ↗

30 May 2016

Calibrating a MPS20N0040D-D Pressure Sensor original ↗

30 May 2016

PacMan running on the Mimas V2 FPGA Development Board original ↗

27 Apr 2016

A simple post on counters for the Mimas V2 FPGA development board original ↗

25 Apr 2016

555 Flyback Driver and Plasma Speaker Part IV original ↗

15 Mar 2016

555 Flyback Driver and Plasma Speaker Part III original ↗

6 Mar 2016

555 Flyback Driver and Plasma Speaker Part II original ↗

9 Feb 2016

555 Flyback Driver and Plasma Speaker original ↗

7 Feb 2016

Numato Mimas V2 - Controlling a 16x2 LCD display using VHDL original ↗

24 Jan 2016

Numato Mimas V2 controlling a 16x2 LCD display original ↗

18 Jan 2016

2015

Arduino Soft Processor on the Mimas V2 FPGA Development Board (Windows)original ↗

28 Nov 2015

Finishing the Sidereal Clock original ↗

22 Nov 2015

Arduino Sidereal Clock Using GPS module and real time clock original ↗

9 Nov 2015

Arduino Sidereal Clock with an RTC Module original ↗

2 Nov 2015

Arduino Sidereal Clock original ↗

2 Nov 2015

INA117P Current Measurement original ↗

28 Oct 2015

Voltage Measurements Using the Arduino original ↗

13 Oct 2015

Elbert V2 Multiplexing Seven Segment Displays in VHDL original ↗

30 Sept 2015

Elbert V2 FGPA tutorial on Seven Segments Displays using VHDL original ↗

20 Sept 2015

Elbert V2 VHDL Tutorial - Using Vectors original ↗

14 Sept 2015

Pressure Sensor Breakout Board - MPS20N0040D-D original ↗

12 Sept 2015

Driving the VGA Port Using the Elbert V2 FPGA Development Board original ↗

6 Aug 2015

How to use an ACS712 breakout board to measure current original ↗

2 Jul 2015

MeArm 0.4 with bluetooth control original ↗

12 Apr 2015

MeArm!original ↗

4 Apr 2015

IR LED Glasses original ↗

8 Mar 2015

Atari 2600 Joypad for the Papilio Arcade Mega wing original ↗

4 Jan 2015

2014

Micro Tesla RF Coil original ↗

29 Dec 2014

Numato Mimas V2 Tutorial original ↗

21 Dec 2014

TDA2005 Stereo Amplifier original ↗

16 Dec 2014

Four Bit Full Adder Tutorial original ↗

14 Dec 2014

Elbert V2 Logic Operators using VHDL original ↗

9 Dec 2014

How to make a Schmitt Trigger using an OP-Amp original ↗

8 Dec 2014

How to Make an Op-Amp into a Comparator original ↗

7 Dec 2014

Elbert V2 Seven Segment Ghosting Removal original ↗

2 Dec 2014

Elbert V2 VHDL Tutorial original ↗

24 Nov 2014

How to use a pressure sensor with a Microcontroller (MPS20N0040D-D)original ↗

18 Nov 2014

Simple Flyback Driver original ↗

24 Oct 2014

mbed CAN Bus Tutorial original ↗

16 Oct 2014

Elbert V2 Nand Gate Tutorial original ↗

12 Oct 2014

Elbert V2 FPGA Tutorial original ↗

5 Oct 2014

How to design a PCB using Cadsoft Eagle 7.1 original ↗

21 Sept 2014

How to input a schematic diagram using Cadsoft's Eagle 7.1 original ↗

21 Sept 2014

How to design a simple light dark detector original ↗

10 Sept 2014

mbed 4D Systems Display Tutorial with a rockerSW object original ↗

4 Jul 2014

Bluetooth Controlled Arduino Robot original ↗

29 Jun 2014

LM386 Stereo Amplifier original ↗

5 May 2014

LM386 Ruby Amplifier original ↗

3 May 2014

How to make a Printed Circuit Board!original ↗

22 Mar 2014

mbed controlling a 4D Systems uLCD-43PCT and four LEDS original ↗

29 Jan 2014

mbed SD Card tutorial original ↗

14 Jan 2014

4D Systems mbed Tutorial original ↗

5 Jan 2014

Rendering an Eagle PCB layout for an LM311 LC Meter with Arduino Uno original ↗

2 Jan 2014

2013

Finishing the Knock Clock!original ↗

1 Dec 2013

Knock Clock with DS1307 continued!original ↗

22 Nov 2013

Knock Clock Using DS1307 and an Arduino original ↗

17 Nov 2013

How do Switch-Mode Boost Converters Work original ↗

6 Oct 2013

Arduino LC Meter Shield original ↗

20 Jul 2013

Display and Control Section for AD9835 project original ↗

27 Jan 2013

Power supply for function generator original ↗

22 Jan 2013

2012

AD9835 Amplifier Stage original ↗

22 Oct 2012

Op-Amps and Inverting and Non-Inverting Amplifiers original ↗

21 Oct 2012

Filter for the AD9835 Function Generator original ↗

16 Oct 2012

Function Generator - AD9835 Based original ↗

14 Oct 2012