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DavidC
An enginerd and hobbyist maker.
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DaNorf, United Kingdom
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Thermocouple Reader for Atmega32U4
Sometimes you just need to measure the temperature at a bunch of different places at once. This is a thermocouple reader for my 32U4 development p...
5
33
0
Triple Stepper for Atmega32U4 Development
This is an application board for my Atmega32U4 PCIE based development board. It's got three stepper driver interfaces, a relay, and a 2 x 16 LCD p...
8
94
0
Arduino Temperature Datalogger
If you've ever wondered how many K type temperature probe interfaces you can comfortably fit onto an Arduino Mega2560 or Due, I have the answer... ...
6
128
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Atmega32U4 PCIE Dev Board - Update
This is an upgraded version of the Atmega32U4 devboard I uploaded earlier. It's got a few of the bugs worked out, plus a Type C USB connector. I'...
5
141
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Atmega32U4 Development Board
This is a small microcontroller development system incorporating the Atmega32U4 micro (the TQFP44 package version) used in the Arduino Leonardo, Mi...
9
220
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PIC16F18857 Development board
The time has come to retire the 16F876 dev boards. The 876/7 is the low end, general purpose microcontroller I grew up with, but it's no longer re...
4
99
0
Axial Flux Generator
This is the basic design for an axial flux generator I plan to install on the machinable VAWT (see https://grabcad.com/library/machinable-vawt-impe...
14
136
1
Machinable VAWT Impeller
I never did get a 3D printer to make the pint size impeller. So this is a VAWT impeller that I can make in bits and assemble. The blade design is...
54
545
18
Nixie Clock - Single tube
The version shown uses an R|Z568M tube (53mm dia. x 125mm tall) manufactured by Dalibor Farny. It has an RTC with backup battery, USB comms, a 200...
11
82
3
Single Nixie Clock Base
This is the electronics and enclosure for a clock based on a single nixie tube. The particular tube is manufactured by Dalibor Farny (www.dalibo...
1
38
1
Full 6 Axis grblHAL Arduino DUE Implementation
UPDATE: The boards are in and ready to build. This is complete grblHAL implementation on the Arduino DUE. It is the full pinout; 6 Axes (motor...
7
70
0
grblHAL for Arduino DUE
This is a grblHAL controller that uses the Tinyg2 pinout. It's an upgrade from my Tinyg controller in that it can use the spindle PWM line for a l...
8
82
0
Coffee Rack
A simple rack/shelf to keep espresso machine and Aeropress equipment tidy in the kitchen.
8
65
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Jewelry Box
A small jewelry, or other small trinket, box with a close fitting lid. Could even be used for something like lip balm I guess. I knocked one up q...
14
132
0
Unipolar Stepper Motor Driver
A driver board for a single unipolar stepper motor. It's based on the Allegro Microsystems UCN5804 chip, which I think might be out of print, but ...
6
136
0
Self Balancing Unicycle/Scooter
A self balnacing mono-wheeled scooter. I was fascinated by the self balancing unicycle project undertaken by Trevor Blackwell (http://tlb.org/#eun...
77
500
1
Class T Amplifier
This is a Class T audio amp, based on an old Tripath chipset. Tripath are no longer in existence, and in fact, they weren't around very long, but ...
6
155
0
CNC Routed Stool
A short sitting spot routed on the CNC machine.
13
101
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Key fob for Mifare tag
A little holder I knocked up when the plastic one on my key fob broke. Been using it for a while, and it seems pretty robust, even though the timb...
6
64
0
USB to RS232 Converter
A ubiquitous benchtop accessory for those of us still using old, or homemade, dev tools... Converts usb to old, 8bit serial comms on a 9 pin, sub-...
7
264
0
Control Interface for Self Balancing Unicycle
This is a daughter board/shield for the Arduino DUE. It provides the orientation control for a self balancing unicycle project. It has bluetooth ...
32
893
3
PIC16F876 Development Board
This is my go-to embedded development board for small stuff, based on the Microchip PIC16F876. I put a small bootloader on the chip, so all I need...
7
264
0
TinyG G2 Core Interface
This is a simple interface board for a TinyG G2 Core CNC controller for the Arduino DUE. I migrated the Eagle project into Fusion360, but haven't ...
4
149
0
Stepper Driver PCB
This is a relatively simple board design for a stepper motor driver with a contiuously variable current setting. It was my first attempt at import...
19
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