This project is a small automatic cooling system for home theater rack. It supports 2 temperature sensors for different zones in the rack and 2 12V PWM fans (standard for PC case cooling).
There is a power switch connector for a switch mounted on the casing (will be designed and 3D printed later). A reset button is provided mostly for reprogramming purpose. There are 4 buttons for setting up temp...
In this project, I will go through the process of designing and making a flight controller board from scratch for a micro-quadcopter. This board will be based on the ATMega328 microcontroller and will be used to control four coreless DC motors. The whole PCB making process from designing of the schematic to [**custom circuit board**] is done using EasyEDA. If you are interested in the circuit p...
For an easier use of the WT588-D module with Arduino, it was decided to create a special Shield, this allows to test the module connected to Arduino or stand-alone mode as there are also K1 to K4 keys. There is also a connector for direct connection of a loudspeaker and a connector for connecting an external amplifier.
For programming the internal memory of the WT588 module, there is a connector f...
Panoramic photo robot with Bluetooth control, based on Arduino MEGA 2560
Since everything in this schematic is either public or super simple I leave it as public too.
**NOT for commercial use!**
This project of mine has just been started so there is no firmware nor software (PC, Android) available yet. Currently I don't plan to make it public like the Arduino shield design.
If you like the s...
The PCB attaches to the back of the OP-320A unit, which is a cheap operator console panel you can get off aliexpress or ebay for about $50, you remove the PCB with the unit and attach this as a replacement to give arduino compatibility.
Wiring mostly copied from teensy++ and uno so something of a mix here, Uses a standard Arduino shield header but you will definitely need to adjust your sketch...
This my first take on an Arduino Nano PLC(ish) device.
It uses standard discrete components and thus is rather cheap to build.
But discrete components do take up a bit more space.
The inputs can accept up to 24v and are connected to the analoge pins, using optocouplers the inputs are electrically isolated
from the Arduino.
The outputs uses relays, the outputs from the relay uses an external sourc...
Telescope OnStep goto controller - Arduino MEGA 2560 board
More info about OnStep goto controller on [Howard Dutton project](http://www.stellarjourney.com/index.php?r=site/equipment_onstep) or [OnStep News](https://groups.io/g/onstep)
For box see https://www.thingiverse.com/thing:2748375
#####Another recommended link:
* [My OnStep ST4 Handheld controller](https://www.thingiverse.com/thing:26...
This is a custom - Arduino uno - based circuit.
- Microcontroller: Atmel ATMega328p
- Bluetooth Module: Support HC-06 & HC-05
- Motor Driver IC: Two L293D (up to 4 DC motors or up to 2 stepper motors)
- Servo motor header
- 3 input/output pins (Can be used to connect LEDs or button SWs)
- Programmable header
- Reset button
I'm trying to reinvent construction set with nuts and bolts. This is electronic parts. Metal and plastic parts can be found [here](https://github.com/shadowlamer/bcse).
![viber image 20191008 , 11.02.09.jpg](//image.easyeda.com/pullimage/w8Nm5SYipfvxFM53h7iOVXPsKVkZFUImqlr1CzAA.jpeg)