This project is a DC motor driver, suitable for motors that of low or medium power. Allows controlling up to 6 motors or 3 motors if you want to control the rotation of the motors. The controller is build around the IC L293D that can provide 600mA per channel, and a H-Bridge designed with transistors […]
DC Motor Driver using L293D Read More »
RF Based DC Motor Direction Controller project provides an easy way to control the direction of your DC Motor connected to the receiver. This project has been design around HT12E and HT12D encoder / decoder chips from Holtek. With jumper selectable address on the receiver and transmitter we can control multiple motors in one area
RF Remote DC Motor Direction Controller Read More »
This is a small dev board I designed to make experimenting with and deploying the ESP8266 ESP-03 modules a bit easier. As well as breaking out all the pins to 2.54mm headers it has a position to fit either a DS18B20 temperature sensor or a DHT22 temperature/humidity sensor plus the required pull up resistor. It can
ESP8266 ESP-03 Dev Board Read More »
Electrical accidents are rapidly increasing especially electric line repairs incident due to the lack of communication and coordination between the maintenance personnel and the electric substation staff. The password based circuit breaker device could just be the solution as only the lineman could reliably control the circuit breaker to avoid miscommunication. The system requires a
Password Based Circuit Breaker Read More »
Expanding on previous research into electronic devices that dissolve in water once they have reached the end of their useful life, researchers at the University of Illinois have developed a new type of “transient” electronic device that self-destructs in response to heat exposure. The work is aimed at making it easy for materials from devices
Things heat up for self-destructing electronic devices Read More »
sing simple wires to measure signals with the oscilloscope would result in unreadable plots on the scope, the main reason being the noise coupled onto the “probe” itself. The first line of defense against that would be to use a coaxial cable as a probe, which would prevent external noise coupling. 1. Introduction An unwanted
Compensation of Oscilloscope Probes Read More »
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Top-level Weller soldering stations for even better prices Read More »
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 recognizes a user, a solenoid plunger disengages and opens the lock.Parts List: The fingerprint scanner module is powered by an ARM Cortex M3 CPU, which controls the on-board optical sensor and
Unlock a Door with your Fingerprint Read More »
Description The homemade function generator is a quite common project on the internet. We can find different ways to do it: – The quick & dirty way based on a DDS module bought on eBay – The analog version based on a MAX038 / XR2206 – The clean way based on a FPGA and a
Tiny DDS – Open source DDS generator Read More »
[advanced_iframe securitykey=”7053122eaa09ce46830dfb8aaeae454056003ad0″]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,
Large Current Relay Driver Read More »
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