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Smart thermometer v2 using esp-01f
M Sep 30,2021
In one of the previous projects, I built a simple thermometer with ATTINY 85 which can last for 140days.But it was a tiny bit clumsy when it came to the electronics and the programming. So, I built a version 2 on steroids with features nobody asked for, but by doing so I hope you will definitely learn plenty of electronics along the way.Hardware ConstructionI chose the esp-01f, which comes with 1MB of flash memory, which is 128times greater than the ATTINY 85. Along with this it also has fe...
4th PCB Design Contest-IoT Theme Iot electronics
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Smart Garage-Door control with animated RGB-LED (with or without Home Assistant)
Scheidler Sep 29,2021
Standalone:automated RGB-LED-Animation when door is opening / closingAdditional features when using with Home Assistant:see door-status (open / closed / moving)control door with Home Assistantbuild automations / notifications based on sensors/switchconfigure speed, anim-width and delaysPins:D1: ButtonD2: RGB-LED StripeD5: Sensor (open)D6: Sensor (closed)D7: RelayUsed products:D1 mini: https://amzn.to/3llNkD8Relais: https://amzn.to/3lozIr8Magnet-Kontakte: https://amzn.to/3kVuP9ZPegelwandler: http...
garage door esphome home assistant
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pxlBlck_multiPCB - a multi purpose IOT LED-Matrix board
Nerdiy.de Sep 27,2021
One of my past PCB projects is the "pxlBlck_multiPCB". As the name suggests, this board is the heart of several future pxlBlck variants.So far I have used the Wemos D1 Mini Board with the ESP8266 built into it as the main MCU in many projects. The circuit is supplied via a micro USB connection. Unfortunately, this forces you to reduce the power consumed to a maximum of 2.5W. The brightness of the connected LED matrices must therefore be reduced by software.To get around this problem (among other...
IOT SmartHome LED-Matrix
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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 ...
4th PCB Design Contest-IoT Theme
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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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