4 CHANNEL INFRARED REMOTE MODULE
4 Channel Infrared (IR) Remote is a simple project using the popular HT12A and HT12D encoder / decoder chips from Holtek. Specifications Supply – Transmitter: 2.4 ~ 5 VDC, 5 V @ 20 mA & Receiver:...
View ArticleLarge Current Relay Driver
This is a large current Relay module with single pole double throw switch which provides normally closed and normally open operations. The Relay is the most common used module in application such as...
View ArticleHome automation with Telegram BOT
by lucadentella.it: The project I’m going to describe today it’s a sort of proof of concept that will demonstrate the possibility to remote control sensors and actuators (for example a couple of...
View ArticleUnlock a Door with your Fingerprint
by Kinoma @ instructables.com: We built a biometric fingerprint-controlled lock prototype. A fingerprint scanner is used to capture and store the fingerprints of authorized users. When the scanner...
View ArticleLight and Dark Sensitive Switch
Light / Dark Sensitive Switch project is a simple project which operates a relay when the light falling on the LDR goes below or goes above a set point. Input – 12 V @ 50 mA Relay output – SPDT relay...
View ArticleESP8266 – 5$ internet connected switch
EasyIoT @ instructables.com shows us how to build an Internet connected switch using ESP8266 Wifi module and EasyIoT Cloud service. In this tutorial we will show how to build WiFi internet connected...
View ArticleControl accurate incremental voltage steps with a rotary encoder
by Anthony Smith @ edn.com: Experimenting with an HF oscillator, I needed to control the varactor diode voltage in precise increments over a 2V-10V range. A buffered potentiometer was the obvious...
View ArticleAC Solid State Relay
This simple circuit designed around Solid State Relay S216S02 from SHARP. The S216S02 solid State Relay (SSR) is an integration of an infrared emitting diode (IRED), a Phototraic Detector and a main...
View ArticleWifi Home Thermostat
asheville makers @ instructables.com has posted a Wifi enabled thermostat that can be programmed via a touch screen display or via the internet. This Instructable explains about how I built WiFi...
View ArticleiBlinds – Make Your Existing Blinds Intelligent
Z-wave Alliance contest winner and Texas-based HAB Home Intelligence has launched a crowdfunding campaign on Kickstarter.com to bring iBlinds, a DIY home automation kit, to the market. The product...
View ArticleOpenGarage – Open-source WiFi garage door opener
Ray Wang has published a new project called OpenGarage, an open-source garage door opener based on ESP8266 and the Blynk app: Today I am very excited to introduce you to OpenGarage — an open-source,...
View ArticleSMD Soldering Reflow Oven
Here is a nice tutorial on how to build your own reflow soldering oven using ControLeo2 reflow oven controller. This particular instructable is based on the ControLeo2 reflow oven controller by Peter...
View ArticleOver Current Protection Switch
Current Sensing Switch is designed to operate a Relay Contact when there is a DC current through the sense resistor exceeds the set point, Set point adjustable from 1A to 3Amp using on board...
View ArticleHalf Bridge Driver based on IR2104
This Half-bridge driver based on IR2104 gate driver IC and N channel Dpak MOSFET , The IR2104 is a high voltage, high speed power MOSFET driver with independent high and low side referenced output...
View ArticleControl an electrical appliance with your smartphone – WiFi
Ruben Marc Speybrouck show us how to control a device using your tablet or smartphone. To achieve that he used arduino, blynk and a wemos / ESP8266 board. In this tutorial we will be making something...
View ArticleOptically Isolated LPT Breakout Board for CNC & Routers
Optically isolated parallel port break out board designed for Hobby CNC, Routers and Motion controller, This Board is an easy solution to drive stepper Motor driver through PC parallel port, The...
View ArticleAutoResetRRR – Automatically reset routers/cameras/servers
“bogdan” published a new project, a device able to automatically reset your router, camera or server. AutoResetRRR is a kind electronic frustration reducing device: it cuts the power periodically to...
View ArticleParallel Port Breakout board with Buffer for CNC & Routers
Parallel port I/O break out board designed for Hobby CNC, Routers and Motion controller , This Board is an easy solution to driver stepper Motor driver, AC Servo (with Step-DIR Driver) and DC servo...
View Article16 Channel InfraRed remote controller
16 Channel Infra-Red remote controller is based on PIC16F73 Microcontroller from Microchip. The receiver part follows RC5 (Philips) Code Format. Tiny receiver provides 16 latch outputs or 8 Latch + 8...
View ArticleDark Sensitive Switch – LED Light
Dark activated LED light is a simple project which operates a LED when the light falling on the LDR goes below a set point. The circuit is built using LM393 comparator, LDR as light sensor, preset...
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