Over Current Protection Switch
https://www.electronics-lab.com/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 potentiometer. This circuit can offer over current protection to your project. Specifications Input: 12 VDC Range: 1 to 3 A selectable […]
ESP8266 Standalone WiFI Relay Control
https://www.electronics-lab.com/esp8266-standalone-wifi-relay-control/
In this tutorial you will learn how to use ESP8266 in standalone mode to control a relay via Web-UI. The ESP broadcasts its own SSID and there is no need to connect to a router. ESP8266 Standalone WiFI Relay Control – [Link]
SMD Soldering Reflow Oven
https://www.electronics-lab.com/smd-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 Easton. This is by far the best I’ve come across and the software is fully open source. It can control up to 4 solid […]
DC Motor Direction Controller with tact switches
https://www.electronics-lab.com/dc-motor-direction-controller-with-tact-switches/
DC Motor Direction Control project offers direction control using digital logic gates and a DPDT relay. Features Supply input 12 VDC @ 75 mA Power LED DC Motor Direction LED Yellow/Green Relay Output: up to 7 A Onboard tactile switch for direction control Relay based drive design with diode protection LED indicator for direction indication […]
DC Output Solid State Relay
https://www.electronics-lab.com/dc-output-solid-state-relay/
DC Output Solid State Relay 10Amps 60V DC (Optically Isolated Input) This project has been designed around TLP250/352 which is Opto-Coupler IGBT/MOSFET Gate Driver from Toshiba and Mosfet IRFP260 from IR, This relay consists of optically isolated gate driver and low impedance Mosfet. The combination of low resistance and high load current handling capabilities make […]
AC Solid State Relay
https://www.electronics-lab.com/ac-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 output Traic. These devices are ideally suited for controlling high voltage AC loads with solid state reliability while providing 4KV isolation from input […]
Light and Dark Sensitive Switch
https://www.electronics-lab.com/light-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 2-in-1 kit, either as light sensitive kit or dark sensitive switch Onboard preset to […]
Large Current Relay Driver
https://www.electronics-lab.com/large-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 home automation, industrial automation, and machine on/off. Sometimes you need to control large current such as the fans, lights, water heaters, room […]
Single Channel SMD Relay Driver
https://www.electronics-lab.com/singe-channel-smd-relay-driver/
Single Channel Relay Board is a simple and convenient way to interface a relay for switching application in your project. Specifications Input supply 12VDC @ 42 mA On Board 5V Regulator provides 5V output Output SPDT Relay Relay specification 5 A @ 230 VAC Trigger level 2 ~ 9 VDC […]