3774 Results for "Reverse Engineering Blood Glucose Monitors"

Animatronic Iron Man MKIII suit
Instructions from Animatronic Iron Man MKIII suit
A few notes and tips concerning the use of servos in the build:The servos listed are just what we used based on speed, power, durability and cost requirements. I would definitely recommend using metal gear servos with ball bearings. Nylon geared servos...

Display, faceplate and control board tray...
Log from ramanPi - Raman Spectrometer
So, I got the nice eBay $5.57 TFT 240x320 ILI9341 display working with the nucleo and designed a nice faceplate and tray for the 5.25" drive bay.. The empty boxes on the right are for the 'keypad'.. A pcb mounts on the inside of the box which...

Research Notes (2)
Log from RC Battle Spinning Top
Since this toy will be remote controlled, the operator (the lucky kid who gets to play with this) will want to steer this toy in a direction of their choosing. The problem with this is having a frame of reference. How would the spinning top know which...

Away We Go!
Log from The Emergence Project
Now that we had settled on our motors and basic layout, it was time to construct the first prototype machine.We decided to keep the electronics on the breadboard for the time being to make the inevitable changes and revisions easier. Simple microswitches...

Raspberry PI CarPC
Details from Raspberry PI CarPC
Linux Debian system with custom kernel including various touch screen modulesTouch screen with support for click, drag and calibrationLatest XBMC/KODI (with large number of applications including Gmail, Facebook, online radio, Youtube, Redbull tv, etc)can...

In the beginning.
Log from Pain Machine
I began by constructing the water chambers from PVC pipe. It is very easy to work with and relatively inexpensive. I found that I needed to buy an automotive tap and die set, so I could add smaller fittings for the hose connections and sensors. There...

Reusing the RPM indicator
Log from Grizzly G0704 CNC Conversion
I wanted an rpm indicator on the mill, i have a handheld one but since it had one originally i thought why not use it.since we're on a vfd don't need this lot anymoreapply bandsawi'm using a 12VDC wall wart to power it. you can use the old 120V if you...

Nokia 5110 replacement - JLX12864G-086-P
Log from 1Charger
The JLX12864G-086 is in my opinion a good replacement for the Nokia 5110. Similar price 5$, better connection but slightly higher power consumption ( like 10 mA ).The one I work with has a feature of sometimes forgetting "screen orientation", my workaround...

PCBs ordered
Log from CAN-obd2
I sent off the board to OSHPark on December 31st 2013. New years was fun!Here are the renders... Don't you just love that colour?The top of the board. You can see the RJ45 connector that will connect to the OBD2 port on the left. Below that is the power...

Dynamic load test
Log from EverywhereElectric
The fun stuff begins, motor is spinning but to make software changes we need a bench test setup, this will make it easier to profile the controller and add/verify new features. As opposed to duct-taping multimeters all over a pushbike!To actually provide...

Readhead Overview
Log from Cheap & Easy Digital Readout
The read head of the project will consist of a pair of photodiodes that will read the pattern on the codestrip and output a quadrature signal to the microcontroller. As the readhead passes over the codestrip, each photodiode will transition from a LOW...

SuperVide
Details from SuperVide
Based around powerful thermoelectric Peltier modules from Laird Technologies, the SuperVide has an operating temperature range of -10C to 100C. Peltier modules provide tremendous benefits compared to the normal heating elements used in typical sous vide...

Restoring a 1950s Schoolroom Speaker
Details from Restoring a 1950s Schoolroom Speaker
This project has 3 parts:1. Replace the speaker and/or amplifier. I have several car speakers that might work for this and have better sound, but the main issue is volume. The current amplifier isn't very powerful, so I'd like to change that. I might...

first diagnostics
Log from Tomtom GO730 GPS display backlight repair
Problem: The display does not work.Hint 1: If the device is turned on, it plays a jingle.Conclusion 1: SoC, flash ok, ram ok, most critical supply voltages ok. This narrows the problem down to the display itself, the SoC, the interconnect (flat flex...)...

Making NeoPixels easier to handle
Log from DMX NeoPixel Matrix
Frustrated that my Arduino clones have still not arrived, yet everything else has... I contacted GearBest customer support. They informed me that NL Post does not offer tracking information.Guess I'll have to wait. However, my neopixels have arrived,...

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