This is a follow on to my last post which was about building a prototyped lithium charging ESP8266 (ESP12) breakout board along with some power management firmware features. Having had reasonable success with the stripboard prototype, the next step was to create a PCB version of this project.
Sending data over an RF link to a PC There are many articles on the internet describing how someone can add wireless capabilities to a project. A plethora range of options and technologies exist and the choice is based upon the specific application.
Hi friends, in this instructable I would like to introduce you to a good instructable which is needed in any home, i.e. a thermo-hygro meter which not only give you average temperature and relative humidity of any indoor space but the variation of these two parameters in any time duration which depicts the variation to see how these parameters change and enable us to draw conclusions for ourselves about the degree of the comfort of our environment.
This instructable shows how to create a time switching battery powered solar charged circuit, which is used to power an Arduino Uno and some peripherals (sensors, communication modules, etc.).If you want to design a remote data logger, power supply...
Designed by Jack Eisenmann, the DUO Binary is an ATTiny84-based computer with a single button for input and a single LED for output. Video demonstration of DUO Binary is posted below. Parts used: Microcontroller: ATTINY84-20PU (x2) 3 pin male header: 69190-403 2 MB flash: SST25VF016B-50-4C-S2AF 128 KB SRAM: 23LC1024-I/P 14 pin IC socket: 4814-3000-CP 8 pin IC socket: 4808-3000-CP (x2) 4 pin female header: 929974-01-04-RK (x2) 4 pin male header: 68000-104HLF SOIC to DIP board: 485-1212 (x3) 0.1 uF capacitor: K104K15X7RF5TL2 Button: B3F-1000 LED: WP7113GD 300 ohm resistor: 291-330-RC (x5) 10K ohm resistor: 291-10K-RC (x1 for microcontroller reset, x1 for
The purpose of this Instructable, is to make a guide that allows the user to learn to simulate programming for Arduino UNO, through the Web application Autodesk Circuits, building a lot of examples that will guide them in learning to program I / O ports, serial communication between devices, electric motors and servomotors, 7-segment display, among others.
Retrocomputing is an enjoyable and educational pursuit and — of course — there are a variety of emulators that can let you use and program a slew of old computers. However, there’s something attractive about avoiding booting a modern operating system and then emulating an older system on top of it. Part of it is just aesthetics, and of course the real retrocomputing happens on retro hardware.
Contents1 Circuit Diagram2 Components3 RFID Reader and RFID Cards4 Design of Arduino RFID Reader Circuit5 Working Principle of the Project6 Applications of Arduino and RFID Integration7 Project Code8 Related Articles RFID (Radio Frequency...
For some projectes with rapsberry and the smaller arduinos I need to switch some relays. Because of the GPIO outputlevel (3,3V) its hard to find some relays that are able to switch larger loads and can operated directly with the given 3,3 volts.
So i decided to build my own relay-board. The 5Channel one i build here is around 10€ for the pieces. In addition you only need a soldering iron, solder and some tools to cut the wires and bend the legs of the components.
You need a certain type of monitor to use Raspberry Pi. Most of people do not have a monitor specifically for his/her Raspberry Pi. By taking this method, you can make your tablet or smartphone a screen for your Raspberry Pi.
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