Here we are going to learn about a very interesting small sensor called the Impact Collision Switch Sensor Module. This module is super simple but very useful especially when we want to detect a shock, collision, hit or a sudden tap on a surface. Now let us go step-by-step to understand everything about it. What […]
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AMS1117 1A LDO Voltage Regulator IC – 3.3V, 1.8V, 2.5V, 5V Regulators
In this post I will be talking about one famous voltage regulator IC called AMS1117. It is a 1 Amp Low Dropout (LDO) Linear Voltage Regulator and we can get it in both fixed output types and also adjustable output version. It is super small, easy to use and available in SOT-223 package mostly, which […]
ISD1820 Voice Recording IC Datasheet, Circuit Diagram
The ISD1820 is a voice IC that lets us record voice from a mic and play it back using simple buttons or microcontroller. We can record between 8 to 20 seconds which depends on how we set it. This IC is used in small voice projects, talking toys, greeting circuits, voice alerts, and more. ISD1820 […]
What is ISD1820 Module? How to Connect and Use
The ISD1820 is a small ready-made module which can record human voice for short time and then play it back. It is based on the ISD1820 IC which is a voice record and playback chip. This module is very popular for DIY projects where we want to make some talking gadget or voice-alarm,or greeting system, […]
Explained: MAX4466 Electret Microphone Amplifier Module with Adjustable Gain
In this post we will be talking about this MAX4466 microphone amplifier module, right? So this is a tiny little circuit that can amplify weak sound signals from an electret condenser microphone (ECM). That means it is going to take a very small electrical signal from the microphone and then boost it up so we […]
DC-DC Boost Module (0.9V~5V) to 5V 600mA USB Step-up Board
So this is a DC-DC boost converter that takes a low voltage (0.9V to 5V) and steps it up to a stable 5V. We use this when we have a small battery, but we need 5V output, like for USB devices. It is super useful for battery-powered projects and small electronics. Main Features How It […]