Audio amplifier using TDA1554
The TDA1554Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The circuit contains 4 x 11 W single-ended or 2 x 22 W bridge amplifiers.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
Category Electronics
Headphone amplifier circuit using LM4880
LM4880 is a dual power amplifier designed to produce high quality audio output capable of delivering power of 220mW per channel to 8 Ohm load using minimum external component and a 5v power supply. This can be very handy to design portable amplifier circuit.
PAM8403 Mini digital audio amplifier module
PAM8403 Mini Digital Audio Amplifier Module is a Class-D 2* 3 Watt amplifier module. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass…
ESP8266 module
Overview ESP8266 is a 3V WiFi module popular for its Internet of Things applications. It is a low-cost Wi-Fi microchip, with built-in TCP/IP networking software, and microcontroller capability, produced by Espressif Systems in Shanghai, China. ESP8266 has 8 pins, namely:…
TP5100 Single Double Lithium Battery Charging Board
What’s in the board ? TP5100 4.2v 8.4v Single/Double Lithium Battery Charge Management Lion Battery Compatible 2A Charging Board is a double switch buck 8.4V, single cell 4. 2V lithium battery charge management chip. Its ultra-compact QFN16 package and simple…
Servo motor control using Raspberry Pi PICO
In this post we will see how to use servo motor using raspberry pi PICO
Simple 40 Watt Inverter using CD4047
Parts Required Above is a very basic 40 watt invertor circuit.
How to send whatsapp messages from your IOT projects
Problem statement You have made an IOT project e.g.: home automation and wanted to send whatsapp messages to your self or some registered number for all the alerts. Here is a simple way to send messages in whatsapp using Whatabot…
Audio amplifier using PAM8403
This is a basic circuit idea of making audio amplifier using PAM8403 chip. Note that this is readily available as a module. But if you need to try your hands on it or want to modify it following circuit may…
Simple FM Radio using TEA5767 Module
Introduction The TEA5767 is a single-chip electronically tuned FM stereo radio module for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and- demodulation. The radio is completely adjustment-free and only requires a very few external components. The digital tuning…