Microcontroller Projects
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Past "Microcontroller" Projects
opportunity
PCB design required for water sensor
I would like a PCB designed with relatively simple purpose. It will act as a moisture sensor, i.e. when the sensor is submerged it is active, when not submerged inactive. The majority of the time, the unit will be asleep. When sleeping it needs to consume minimal current, i.e. tens of micro amps or less. On the rising or falling edge from the sensor (i.e. rising edge = sensor is submerged, falling edge = sensor is now dry), the unit needs to wake up, send an SMS message, and then go back to sleep. Components: -GSM module (e.g. SIM800/900) -Microcontroller with low powered sleep -External moisture sensor -Power circuitry (power source will either be alkaline batteries, or 3.7v lithium cell) Features: - As small as possible - Microcontroller ideally Arduino bootloader compatible - Initial through-hole design (using suitable GSM module)
Design High Power Circuit
Design a circuit that can take input pulses from a microcontroller (most likely arduino), and use that to create high current pulses. This will be the heart of an Arc generator for an Electric Discharge Machining machine. Also recommend specific components and create a circuit board file that I can send to a manufacturer for fabrication. I'd like it to include everything from the A/C input to the high power pulsed D/C output. I have specifications I will share. Basically I'm too cheap to pay someone 3k Euros for a pre built generator since I'm good with electronics. But I'm not THAT good, to be sure the circuit is stable & won't die 15 minutes after I turn it on. I may sell these in the future so I'd like to own the design. Also if you're good with reducing un necessary EMF that would help. This circuit will create a lot of EMF by design, so anything that can be done to make it do it's job and avoid any unintended EMF would make the entire project go smoother. It should put out about 30 volts DC pulses at up to 30 amps based on the input pulse voltage, and be able to survive a short circuit. There will be a separate circuit that will monitor voltage at the destination and stop input pulses upon a short, but they will happen from time to time, and the circuit should be able to endure this till the monitoring hardware stops sending pulses. I could write lots more about the machine itself, but this project is about just the pulse generator. I guess I'm writing this to let you know I'm a busy guy, and want this project done ASAP. I'm doing this on a medium budget, and I have very limited hands on time to work on the project. I will probably hire out more electronics related design. I need to integrate at least 4 different circuits off the top of my head, and do it in a high EMF environment, The more advice I can get the better, and the sooner I can get $ flowing in from this the sooner I can work less at my other job yada yada. Yup that's my ending hehe!
TinkerCAD Professhional
create an autonomous two-wheeled robotic platform using supplied components and acrylic that will move within a pre-defined 1m2 world consisting of a flat MDF floor with 10cm high walls at the boundary and two obstacles within (separated by a minimum distance of 20cm from each other and the boundary). For this assignment you will be using TinkerCAD for your design (a class will be created and an introduction with regards the on line class participation will be presented during a lecture session). TinkerCAD has a relatively intuitive user interface, nevertheless it is suitable for you to undertake the required design. For easier operation on the design entry operations please have access to the tinkercad-keyboard-shortcuts_revised-8-31-182.pdfPreview the document file. The following Learning Outcomes (LOs) are assessed: specify hardware and software requirements for embedded mechatronic systems. test and evaluate hardware used in embedded mechatronic systems Submission Requirements: A document file (doc, docx or pdf) of no more than 5 pages. The document file should contain the 5 sections that are given in the marking scheme below Marking scheme will be provided via a Rubric that will be assessing the following Elements (equal marks for each element): Design of the main base platform (microcontroller, battery, electronics) Design of the motor actuator location/position (how the motors will be mounted on the base platform to support the overall robot) Wheel design (this will need to consider position sensors) Type and arrangement of sensor (you will need to position the sensors that will be considered). Design of a Test procedure (what type of test will you be performing to assert the suitability of the mechanical platform) Critical Evaluation of the proposed design (advantages and disadvantages).
Wireless position sensor (ultrasonic for range detection)
i want a wireless position sensor (ultrasonic for range detection). The sensor will sense the position and it will transmit its data wirelessly to other location. i want a 220V relay to be controlled though data received from remote sensor placed anywhere in home. Basically there will be 2 circuits, one will be transmitter and 2nd will be receiver circuit. On transmitter board there will be an ultrasonic sensor that will detect objects and on detecting any object a signal will be transmitted via transmitter. A receiver circuit will receive that signal and will control relay output. there will be a wifi module that will receive signal from sensor and will transmit. Microcontroller like ESP8266 or ESP32 with wifi module will receive that signal and will control relay
opportunity
Circuit design/component selection
I own a vape company and need a fairly simple PCB to regulate power. I'm looking for a circuit designed around a few specifications and proper components chosen and values calculated. I do not have the final dimensions of the PCB so layout is not necessary but may be asked for in the future. This is not a difficult task, however, I do ask that the person doing the work is at least familiar with what vapes are and how they work. Here are some basic reqs: SMT (0402 preferred) Microcontroller (atmega maybe?) 3.7v or 7.4v or 11.1v input 5-50w adjustable output (incremental) Battery voltage sensing Coilhead resistance sensing (sub 1ohm) 10 x leds 3 x tactile button 4pin programmer Thanks for looking.
Prototype shield for microprocessor similar to Arduino shield
Overview ======== This project is for the design of a shield for the P8X32A Parallax Propeller Microcontroller. The P8X32A will be the primary IC on the shield, it will be supported by other components, most of which will be on board on the shield itself and two will be in the form of an add-on module to be connected with fly leads. Shield ====== 1. Supporting Components/Modules Parallax P8X32A PDIP 40 Microcontroller DS1302 RTC Micro SD Card Module VGA Out connector I2C Eprom (24LC512) PS2 Mouse connector PS2 Keyboard connector PSU input (6V-12V) decreased to 5V and 3V and stabilised for use on shield LM386 Audio IC 2. Shield Connectors 3. Other Connectors (not already mentioned) 4. Afterword 5. Diagrams Please review the word document for full details and diagrams. Please read the page titled AFTERWORD too. I have allocated £75 for the project. I have not got a clue on the price to be honest as this is my first ever project idea. When I came to Budget section, it contained £61 for the project so I rounded it up to £75.
Circuit Schematic with firmware
Circuit Schematic with Firmware code and installation support. I need someone with experience on RFID emulator circuits. I need a microcontroller to emulate a RF fob or card on the fly with a visual basic code for windows pc (.net, visual stidio...)