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Satellite Control Hardware
Mercan Sep 26,2021
Hardware OverviewThe 6-Layer control hardware has been designed for a satellite to be taken launch in a interstellar rocket to spy an unknown planet. Our satellite has a high accuracy barometer to measure altitude and temperature, a GNSS module for gathering its location, IMU sensor for inertial measurement, live-video stream capability for recording the surface of the target planet and long range communication module for telemetry transfer. It has brushless motor drivers to control the descendi...
4th PCB Design Contest-IoT Theme satellite hardware
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Ultra Efficient Raspberry pi UPS
DDL Sep 24,2021
The reason this Uninterrupted Power Supply (UPS) was created was because I wasn't satisfied with the things available on the market that would just lower the incoming voltage to charge the battery and immediately boost it to power the pi. This way efficiencies of around ~80% can be achieved. Don't get me wrong this is not terrible but I wanted to do better, which is why this design incorporates a power MUX.For those who don't know a power MUX is just like a regular MUX but instead of signal line...
4th PCB Design Contest-IoT Theme IoT raspberrypi
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Eq2/3 Mount Star tracker Circuit
RefreshMyMind Sep 23,2021
This circuit allows you to modify your normal EQ Mount into GOTO.What is EQ mount, An equatorial mount is a mount for instruments that compensate for Earth's rotation by having one rotational axis parallel to the Earth's axis of rotation. This type of mount is used for astronomical telescopes and cameras. The advantage of an equatorial mount lies in its ability to allow the instrument attached to it to stay fixed on any celestial object with ...
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0-30V, 0-7A Adjustable Switching Power Supply
Moshiri Sep 23,2021
The DC to DC buck converter is a famous topology in the electronic and a widely used circuit in electronic devices. A buck converter steps down the input voltage while it increases the output current. In this article/video, I have discussed a DC to DC buck converter that can be used effectively as a switching power supply. The output voltage and current are adjustable: 1.25V to 30V and 10mA to 6A (continuous). The power supply supports the constant voltage (CV) and constant current (CC) features...
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Design and execute sensor network application for monitoring the electric power.
qtruongsmt Sep 21,2021
VIDEOSUMMARYThe emergence of a large number of household appliances that use electricity leads to the great challenges of managing electricity efficiently. Effective power management will help save energy sources, help managers assess power consumption to offer cost and energy saving options, help monitor power quality. , minimizing the risks when using electricity. Furthermore, large-scale power monitoring can become a valuable data resource that enables computational analysis to improve power ...
LoRaWAN LoRa Ra-02 Monitoring power
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Home Sensor Board
Csongor Varga Sep 18,2021
I built this board so I can assemble various ESP8266 based sensors using easily available breakout boards.I designed this board to support the following sensors. Check the schematics for the pinout.I2C:BME680: temperature, humidity, pressure, VOCBH1750: ambient lightSH21: temperature, humidityand of course any other I2C sensor that have the same pinout as one of the 3 above1-wire:DHT11/DHT22: temperature and humidity with the 4.7k resistorDS18B20 temperature probes with the 4.7k resistorOthers:C...
4th PCB Design Contest-IoT Theme IoT ESP
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MosaXIAOMI DeskLamp 1S Alternative cheaper design
MOISES SALMERON CAMPOS Sep 16,2021
This is a replacement Do-It-Yourself programmable ESP8266-based module for controlling a Xiaomi MiDeskLamp 1S.Based on ESPHome firmware, allows you to replace the original PCB (at same form factor) with just a screwdriver and replacing by this PCB. Your LED desktop lamp will behave from then on as self-contained, proper local IP, non-remote server dependant, home automation new toy!Complete firmware, montage and instruction leaflet available on request. All Xiaomi original functions like e.g. ro...
4th PCB Design Contest-IoT Theme
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Dumb but Great Point and Shoot Camera with ESP32 CAM
Arnov sharma Sep 15,2021
Hey everyone what's up, so here's something cool, an ESP32 cam-based point and shoot camera.So the idea here was to take this very useful ESP32 CAM board and flash it with a sketch that lets us take an image and save it on the memory card.kinda like a proper point-and-shoot camera but this setup won't have any kind of display on it.which is a bummer but it works.Here's an example of how an image captured by this esp32 cam would lookTo be honest, it's pretty bad but then again, we have a camera a...
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LedBox V2 | StanleyProjects.com
StanleyProjects Sep 10,2021
IntroductionLedBox V2 is a fully contained, sound reactive, ESP32 based module for controlling 5-12V addressable LED strips (WS2812, SK6812, etc.), supporting both 3-(VDD,DAT,GND) and 4-(VDD,DAT,CLK,GND) pin configuration.The module has a dedicated step-down converter, which allows to seamlessly use it with both 5V and 12V strips (input voltage needs to match strip's voltage). It also contains a digital MEMS microphone, side button, 32kHz IR receiver, 10A safety resettable fuse, 1000μF buffer ca...
4th PCB Design Contest-IoT Theme esp32 WLED
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Macintosh IIcx ATX PSU
Lazarewicz Sep 10,2021
This project is intended to replace the power supply of a 1989 Macintosh IIcx with a modern power supply.This project converts an ATX power supply (PICO PSU) to the 10 Pin power supply of the Macintosh IIcx, respecting all the functionality of the original power supply.Combined with a PICO PSU and a Meanwell AC to DC 12 V, it fit inside the original PSU housing.Main goal of this project is to make old 68K Macintosh reliable again.As a bonus, power consumption is reduced!
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Explore!https://bruce.computer MCU ESP32 S3 N16R8BATTERY 1000MAH6 WAY BUTTONAW9523 IO EXPANDERNRFCC1101 433MHZNFC ST25R3916VIBROBUZZERIR TX RXIBUTTONSDCARDLEDGPSFLIPPER ZERO HEADER COMPATIBL...
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This is the PCB for the self-balancing robot seen in this video: https://youtu.be/K1lzzVGCzAQModel can be fully 3D printed at this link (zero supports required): https://www.printables.com/model/15335...
f32 - an extremely small ESP32 board
The f32 is an ultra-compact ESP32 development board designed to mount directly behind a USB-C receptacle. The PCB measures just 9.85 mm x 8.45 mm. It's powered by the ESP32-C3FH4 microcontro...
World's Smallest 1S Battery Charger
This is a very small 1S lithium battery charger board designed for projects where space is extremely limited. It charges single-cell Li-ion or Li-Po batteries (3.7V nominal) using a USB Type-C input. ...
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