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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...
4th PCB Design Contest-IoT Theme
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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...
4th PCB Design Contest-IoT Theme
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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!
4th PCB Design Contest-IoT Theme
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speeduino board layout v0.4.3.c
iswanto Sep 08,2021
The v0.4.3c boards includes the following features:4 injector channels4 Ignition outputs250 KPA Map SensorOptional DRV8825/8824 stepper motor driverOptional Dual VR CONDITIONER MAX9926Fully protected input channels for CLT, IAT, TPS and O2Optional VR conditioner mount on crank and cam inputsMAP sensor mount location4 medium current spare outputs (Eg Fuel pump, thermo fan etc)4 low current outputs (Triggering relays etc)All I/O through screw terminals on the board
4th PCB Design Contest-IoT Theme
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WLED Controller
Zhylin Sep 07,2021
Custom PCB for WLED Software.Improvement of previous controller https://www.pcbway.com/project/shareproject/ESPixel_Stick_ws2812_led_controller.htmlFirmware and detailed description available on GitHubhttps://github.com/Aircoookie/WLEDPCB made for easy LED setup. Connector for the OLED display, rotary encoder, and IR receiver.Type-C power.
4th PCB Design Contest-IoT Theme WLED WS2812
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cnc lamp controller
Sep 05,2021
I needed a controller for the safety lamp of my cnc under construction, looking on the net I had not found anything that interested me / was compatible with my motherboard, hence the decision to build it. Arduino first of all performs a count up to 9 via the display (initialization), then, based on the readings of the analog signals, the Arduino switches on / off the selected relays (based on the low, high signals). The display shows the number of the active port (1,2,3, only 1 is on at a time)....
4th PCB Design Contest-IoT Theme
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