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  2. Another comparison article of NE5532, hope it helps. https://www.apogeeweb.net/circuitry/NE5532-comparisons.html
  3. The most comprehensive comparison article of L293D and its similar models i could find on the internet, it's useful to me, hope it's helpful to guys as well. https://www.apogeeweb.net/circuitry/l293d-comparisons.html
  4. See you can learn most of the topics on Electrical and electronics here
  5. In this article, we have produced 7 simple 2N3904 circuits for electronic enthusiasts. These circuit diagrams are essentially beginner-friendly types. Hope the circuit diagrams are helpful to you.😀 Source: Apogeeweb Semiconductor Electronic 2N3904 Circuit Circuit 1: Thermostat controller composed of LM75 intelligent temperature sensor and 2N3904 transistor. Circuit 2 Circuit 3 Circuit 4 Circuit 5 Circuit 6: 2N3904 Sample Circuit-Amplifier Circuit 7:How to design a 13.56mhz sine wa
  6. Hey guys, this is Bob. Just saw this dope project and im trying to make a temperature measurement device follow this article, seems kinda complicated at first sight but im decided to give it a go lol https://www.apogeeweb.net/circuitry/AD590-temperature-sensor.html
  7. Hey guys, this is Bob, in today's blog we'll discuss the difference between 1N4148, 1N4007, 1N5819. I. Brief Introduction to 1N4148, 1N4007, 1N5819 1N4148 is a fast switching diode. It is fabricated in planar technology, and encapsulated in hermetically sealed leaded glass SOD27 (DO-35) packages. 1n4007 is a PN junction rectifier diode. These types of diodes allow only the flow of electrical current in one direction only. So, it can be used for the conversion of AC power to DC. 1N5819 is a Schottky diode with 2 pins, a peak current of 25A, and an operating te
  8. UC3842 is a fixed frequency current-mode PWM controller. This IC is specially designed for Off-Line and DC to DC converter applications with minimum external components. In the blog today, we'll have a further discussion about the application of UC3842 in the boost conversion circuit. Boost Conversion Circuit Overview Boost converters can reduce the output current and the capacitance and volume of the output filter capacitor under a certain output power, and are widely used in switching power supplies and electronic ballasts. Commonly used control methods are volta
  9. Hello Everyone DrawBo is designed to draw and sketch any image you like. This is based on IOT and exploits the BLE features of nrf 52XXX series. Just upload the image onto DrawBo app and let it draw. It's artificial intelligence enables it to teach drawing in a unique step by step manner. DrawBo splits an image into various steps of simple lines and curves and then draws each step one by one. After drawing each step it, pauses for sometime. This enables the learner to grasp the knack easily. The attached images of drawing/sketches might fascinate you. Have a look Dra
  10. Story Global warming has lead to unpredictable climates; researchers around the world are using weather stations to observe record and analyse weather patterns to study climate changes and provide weather forecasts. These Weather stations normally comprises of few sensor to measure environmental parameters and a monitoring or logging system to analyze these parameters. In this tutorial we will learn how to build such a wireless IoT based weath
  11. Interface Arduino with Node-RED to monitor the Temperature and Humidity on a Webpage Node-RED is a visual tool for non-programmers to work with the Internet of Things, it can be used to build application fasters and reduce the “go to market” time for IoT products. Node-RED can be used to easily interface hardware devices, APIs, and other online services together in new and interesting ways. Node-RED is an open source IoT tool and has been implemented b
  12. Geysers are one of the most important appliances you use, especially when you've to relax on those chilly winter days. But, just like all other appliances, a geyser needs much more care while installation and maintenance. Although, if you have a good company geyser, still there's a chance that even those parts will get damaged and wear down if not used with proper care and under maximum pressure. In this blog, you'll come to know some tips and tricks to maintain and install your geyser properly. Leave space around the water heater When you have bought a water heate
  13. Sometimes there are some problems with your PCB designs, after you have a prototype, some of them go wrong, then you are upset that where the mistake has happened, for this problem you need a software that makes those mistakes. Show us NextDFM is a PCB problem detector and engineering tool by NextPCB, one of the most professional PCB manufacturers in the world based in China. This article is for the review of the NextDFM software installation, features and benefits of this software. NextDFM is a simple software which can be learnt easily by a non regular PCB designer also. The UI create
  14. Sometimes there are some problems with your PCB designs, after you have a prototype, some of them go wrong, then you are upset that where the mistake has happened, for this problem you need a software that makes those mistakes. Show us NextDFM is a PCB problem detector and engineering tool by NextPCB, one of the most professional PCB manufacturers in the world based in China. This article is for the review of the NextDFM software installation, features and benefits of this software. NextDFM is a simple software which can be learnt easily by a non regular PCB designer also. The UI create
  15. Sometimes there are some problems with your PCB designs, after you have a prototype, some of them go wrong, then you are upset that where the mistake has happened, for this problem you need a software that makes those mistakes. Show us NextDFM is a PCB problem detector and engineering tool by NextPCB, one of the most professional PCB manufacturers in the world based in China. This article is for the review of the NextDFM software installation, features and benefits of this software. NextDFM is a simple software which can be learnt easily by a non regular PCB designer also. The UI create
  16. I recently got some nice and cute SMA connectors at renhotecic.com,they are really good,and it occurred to me that they they are all gold?why not silver?
  17. kindly send me code and proteus circuit alijavaid332211@yahoo.com
  18. Components Used1 NodeMCU NodeMCU is an open source firmware for which open source prototyping board designs are available 1 RelayLoad : 10A, AC 250V/ 15A, 125V 1 Bulb Google assistant is AI (Artificial Intelligence) based voice command service. Using voice, we can interact with google assistant and it can search on internet, schedule events, set alarms, control appliances, etc. This service is available on smartphones and Google Home devices. We can control smart home devices including li
  19. Hii Maker's Today we will make Emergency Neighbour notifier Using GSM 900l The stuff needed to make it Arduino Uno Arduino uno Gsm Module GSM module Sim900A A GSM module or a GPRS module is a chip or circuit that will be used to establish communication between a mobile device or a computing machine and a GSM or GPRS system Push switch A Push Button switch is a type of switch whi
  20. Story Hii friends Today I'll Show You How To Make RFID Door Lock System Using Arduino Nano 1 / 8 The arduino based RFID door lock system is secure and responsive as compared to other systems. With the use of arduino, it becomes much easy to design. Pro
  21. Story Subscribe For More Hii Friends Welcome Back 🤗 Today I'll Show You How To make Simple Home automation System So Let's Make It You I'll Need Some Componenets For this 5 / 5 1. Plastic Box 2. Nodemcu 3. Bulb Holder
  22. I want to make a power supply system. Below is a block diagram of part of it. Batteries A and B form a battery pack, one is charged and one is discharged, K1 and K2 control which one discharges. The output 24V can be directly output to the outside. K3 responds to the 220VAC demand that may arise, and K4 makes a switch to control the on-off and protect the inverter. The switches are all preliminarily set as solid state relays, and the input terminal is controlled by a single-chip microcomputer. But now there is a problem: Can the three solid state relays K1 or K2, K3 and K4 be c
  23. Hi - I am brand new member and openly admit to knowing little about electronics. I have spent quite some time developing a systen whereby I drive industrial sewing machines using a DC motor, a controller and a pedal with a built in potentiometer. It works really well but the drawback is the home constructed pedal. I have had one of the controllers modified by the supplier to use a hall effect pedal. These pedals are quite compact but I'm finding it quite costly to buy a controller and have it converted to hall effect opetration. I'm hoping someone can recommend some readily available
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