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Exploring Leon’s Mini Random Number Generator (mRNG) Read More »
The concluding assignment in ECE 4760 involves the creation of a respiratory monitor tailored for use in resource-constrained settings. This device determines a patient’s respiration rate by identifying temperature fluctuations as the patient breathes through a mask. Notable attributes of this device encompass an alarm mechanism activated by a piezoelectric speaker, which triggers when the
Thermistor Respiratory Monitor Read More »
Project Goals Upon completion of this project, you will have gained the ability to: 1. Regulate the velocity and direction of DC motors using an H-bridge circuit. 2. Execute and fine-tune a proportional-derivative control algorithm to sustain the desired orientation of the hovercraft. 3. Implement an upper-level control algorithm that determines the appropriate instances for
Mastering the Art of Proportional-Derivative Control with Pulse-Width Modulation Read More »
Introduction This circuit is a battery characterizer that applies a fixed load to a charged NiCad or NiMH cell and measures milliamp-hour capacity as it discharges. There is no single load that can be applied to a battery to measure milliamp-hours. It depends on the battery type, it’s intended application, etc. This device is simply
BATTERY CHARACTERIZER using PIC18F252 Read More »
Being an active outdoor guy, I have a few different types of 12V lights and a variety of battery types. – For flying RC planes and quadcopters at night, we use sealed lead acid batteries to power our club tables. – For fishing, I have a few 12V 2W led lights, powered by 2200mA, 3
PIC 12F675 Programmable 12V Battery Monitor Read More »
Some of the fruit and vegetables we eat can be used to make electricity. The electrolytes in many fruit and vegetables, together with electrodes made of various metals can be used to make primary cells. One of the most easily available vegetable, the ubiquitous lemon can be used to make a fruit cell together with
Tiny AVR Microcontroller Runs on a Fruit Battery Read More »
A Message from me: Hello! Thank you for reading my first instructables on building a pulse analyzer using PIC24f in Assembly language. I have almost completed the project, but not yet finished writing this instructables as I want it to be as comprehensive as possible. It will take me another week to finish writing. Please
Build a Pulse Analyzer Read More »
Somewhat similar to PIC 12f675 mini protoboard, but extended and with additional boards.Using attiny2313. Step 1: Scheme Let us first start with a scheme. The scheme is pretty obvious since it only connects attiny2313 with the pins and the only additional elements are resistors and capacitor for reseting the microcontroller. Attachments board.pdfDownload Step 2: Bottom
AVR Mini Board With Additional Boards Read More »
Let’s take a look at the simple beginner’s project of the minute timer. The heart of the project is the 8-bit PIC16F88 MCU. The time is shown on the 7-segment display and the timer is operated using 6 buttons. The device is powered by the 9 volt battery. The time range is from 1 to 99 minutes.
The Minute Timer Based on the PIC16F88 MCU Read More »
I got to the result so it requires a bit more reading. At home we have quite some electronic tea lights, the ones from Philips that can be charged wirelessly. I have made an Instructable before related to this topic, see Tea Light Charge Monitorr. After some time these tea lights stop working because the rechargeable
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