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Arkadiusz Adach
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http://geek.adachsoft.com
http://geek.adachsoft.com

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Make your own charger for your phone. There are many ways to do this, in this projection I will show you how to do this using the LM2596. The advantages of this charger are charging current of 3A, simplicity in the making, input voltage 7v - 40v. It can power directly from the 12v or 24v battery. In this example I used a 14.4V battery from a cordless drill.

#USB #charger #lm2596 #diy #phone

http://geek.adachsoft.com/home/article/id/30/n/DIY-USB-charger-for-your-phone-LM2596/refid/gp

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This guide shows you how to use PCF8574 with Raspberry PI. The PCF8574 is a 8 bits I/O port expander that uses the I2C bus. To the PCF8574 I will connect the relay module, this will allow control of the electrical device from the Raspberry PI. I will also show an example how to write a program to handle PCF8574 in C++ on Linux.

#raspberrypi #iot #pcf8574 #i2c #cpp #linux

http://geek.adachsoft.com/home/article/id/26/n/Control-any-devices-using-Raspberry-PI-and-PCF8574-relay-module/refid/gp.col

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This project is an example of remotely controlled car via WIFI. The circuit is based on ESP8266, and the software is written in the Arduino IDE. As an engine driver, I used the L298N. The vehicle's speed is controlled by PWM in the range of 0 to 1023. Digital control offers more possibilities than the usual controller. I also added a RGB LED as light and buzzer as a horn.

#esp8266 #arduino #rc #rccar #wifi #pwm

http://geek.adachsoft.com/home/article/id/27/n/DIY-WIFI-RC-car-with-ESP8266-and-Arduino-IDE/refid/gp

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A simple way to make a housing for a bearing at home. To do this you will need common materials and easily accessible. The biggest problem is the precise drilling of the holes, if you do this you will do everything. Of course, you can buy ready-made housing for bearing, but usually is 10 times more expensive than the bearing itself.

#diy #housing #bearing

http://geek.adachsoft.com/home/article/id/31/n/DIY-housing-for-the-bearing/refid/gp

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A simple way to make a housing for a bearing at home. To do this you will need common materials and easily accessible. The biggest problem is the precise drilling of the holes, if you do this you will do everything. Of course, you can buy ready-made housing for bearing, but usually is 10 times more expensive than the bearing itself.

#diy #housing #bearing

http://geek.adachsoft.com/home/article/id/31/n/DIY-housing-for-the-bearing/refid/gp

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Make your own charger for your phone. There are many ways to do this, in this projection I will show you how to do this using the LM2596. The advantages of this charger are charging current of 3A, simplicity in the making, input voltage 7v - 40v. It can power directly from the 12v or 24v battery. In this example I used a 14.4V battery from a cordless drill.

#USB #charger #lm2596 #diy #phone

http://geek.adachsoft.com/home/article/id/30/n/DIY-USB-charger-for-your-phone-LM2596/refid/gp

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This project is an example of remotely controlled car via WIFI. The circuit is based on ESP8266, and the software is written in the Arduino IDE. As an engine driver, I used the L298N. The vehicle's speed is controlled by PWM in the range of 0 to 1023. Digital control offers more possibilities than the usual controller. I also added a RGB LED as light and buzzer as a horn.

#esp8266 #arduino #rc #rccar #wifi #pwm

http://geek.adachsoft.com/home/article/id/27/n/DIY-WIFI-RC-car-with-ESP8266-and-Arduino-IDE/refid/gp

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Make your own charger for your phone. There are many ways to do this, in this projection I will show you how to do this using the LM2596. The advantages of this charger are charging current of 3A, simplicity in the making, input voltage 7v - 40v. It can power directly from the 12v or 24v battery. In this example I used a 14.4V battery from a cordless drill.

#USB #charger #lm2596 #diy #phone

http://geek.adachsoft.com/home/article/id/30/n/DIY-USB-charger-for-your-phone-LM2596/refid/gp

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