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Weather Station Using Arduino and NodeMCU
Adhikari Sep 25,2021
In this tutorial I am going to show you guys how to make an Arduino or NodeMCU based Weather Station using DHT11 or DHT22 temperature and humidity sensor and display it using an OLED Display. DHT11 vs DHT22The DHT11 and DHT22 are both low-cost very basic and slow temperature and humidity sensors which can be used for basic data logging.Despite being slower, they are very stable and consumes low power and provides relatively high measurement accuracy. The single-bus digital signal is output ...
4th PCB Design Contest-Free Theme
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Infrared Board
Umm.Engineering Sep 23,2021
This is a reshapening of a typical infrared module with two signigicant changes:The IR-LED and Photodiode positions are swappable by means of bridging solder jumper pads.The design uses a Single *331 comparator rather than a Dual *393 type. This choice was mostly one of OCD.
4th PCB Design Contest-Robotic Theme Infrared IR
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Arduino Rev3 Shield - Basic components
jimaro2008 Sep 23,2021
This design has long wanted to do so because when someone is learning or wants to use some basic component quickly this saves some time since it is only to embed the cables in the places already arranged.Is a shield for Arduino Uno R3 that has a greater number of power pins, in addition to facilitating the connection of several sensors and actuators such as:-Passive buzzer..A connection for a servo motor a connection for a 5v dc motor with the help of a 2N3904 NPN transistor. -It has the co...
4th PCB Design Contest-Free Theme
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Construye tu propio Micro PLC con Arduino UNO
Zurco Limachi Sep 18,2021
Componentes:R1: 10kR2-R8: 1kR11: 1kR9-18: 4k7R19: 1kR20: 2kR21-R28: 10kD1-D5: 1N4148D16: 1N5408LED1-LED13: 3mmK1-K4: Relay bobina 5vC1-C2: 22pFC3: 104X1: 16MHzU1: Atmega328pU4-U10: PC817Q1-Q4: 2N2222
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Mechanical Macro Keyboard Music Maker
Jeremy Cook Sep 16,2021
Computer macro pads/stream decks/auxiliary keyboards normally control computer input functions with the press of a key, making your life easier. The JC Pro Macro takes things one step further and breaks out several GPIO pins from an Arduino Pro Micro board, allowing for control of things in "real life."In this project I hook up a small speaker for tone output, along with a small solenoid to drum out a beat. Solenoid actuation is assisted by an EZ Fan2 transistor board, which handles the higher c...
Arduino macro keypad keyboard
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Green BMS Interface board v.0.1
Ghirardelli Sep 15,2021
Green BMS is an open source Smart Battery Management System for Lithium battery Cells.Green BMS project is described in this siteThe Green BMS Android app is available here: Green-BMS App (you can check the app in "Demo mode")Here you can find step by step instructions to make Green BMS: https://hackaday.io/project/181453/instructionsGreen BMS has been certified as open source hardware by the Open Source Hardware Association, with the UID: IT000007The instructions for a correct use of the B...
BMS arduino android
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Green BMS Cell Module v.0.2
Ghirardelli Sep 15,2021
Green BMS is an open source Smart Battery Management System for Lithium battery Cells.Green BMS project is described in this siteThe Green BMS Android app is available here: Green-BMS App (you can check the app in "Demo mode").Here you can find step by step instructions to make Green BMS: https://hackaday.io/project/181453/instructionsGreen BMS has been certified as open source hardware by the Open Source Hardware Association, with the UID: IT000007The instructions for a correct use of the...
4th PCB Design Contest-Free Theme BMS arduino
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ArduTrx Open Source Hamradio Transceiver for Arduino
Alexiev Sep 13,2021
The ArdTrx project consists of two parts: the ArduTrx shield and the software. Both parts can be used independant from each other.The ArduTrx shield is an Arduino shield with a HF module and surrounding circuitry. The shield plugs directly into the pin header of the Arduino Uno or compatible board and forms a stack with it. Other shields can be plugged on top or in between.The ArduTrx software utilizes this shield but could also be used with a compatible HF module on a breadboard. To get a usefu...
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mackeyboard
saadat Sep 12,2021
Mackeyboard is a simple mini mechinical keyboard ,which is mainly build to perform shortcut keys quickly .For example, when you are typing and need to "COPY" or "PASTE" any word or sentece , you need to press "CTRL+C" or "CTRL+V" at a same time .Which sometimes can decrease your typing speed as well as performance. Thinking about this problem, I've designed the pcb of Mackeyboard . Mackeyboard has 19 mechanical keys with 1 rotary encoder. By using these 19 keys, you can perform many shortcuts su...
4th PCB Design Contest-Free Theme mechanical keyboard mecha keyboard
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DIY ESP32 SPI TFT shield. Change the display bus.
Igor Silenock Sep 10,2021
Hello everyone!This project shows how to understand the datasheet and pinout of the display in order to change its connection method from a parallel bus (8/16 bit) to SPI. The display will connect to a DIY ESP32 shield.Video link: https://youtu.be/R42OXUibm6wHow to connect displays from mobile phones: https://www.youtube.com/watch?v=ShnyOOcfbhcWe connect the display to STM32: https://www.youtube.com/watch?v=WBJhqoxEI4wForum about connecting displays: http://arduino.ru/forum/apparatnye-voprosy/ar...
ESP32, SPI, TFT, arduino,
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