Active buzzer module front view showing 3-pin interface for Arduino India
Sachin Soni
0

Active Buzzer Module (3.3V–5V) for Arduino & Microcontrollers

The active buzzer module is the fastest way to add sound to any maker project in India — just wire three pins, write one line of code, and you have a loud, clear beep. Compatible with Arduino, ESP32, STM32, and Raspberry Pi Pico with no extra components needed.

✅ 3.3V–5V dual-voltage compatibility — works with all popular boards
✅ 85dB output at 10cm — clearly audible in workshops and classrooms
✅ 2500Hz fixed-frequency built-in oscillator — no tone code required
✅ Compact 3-pin interface — VCC, GND, Signal; plug-and-play simplicity
✅ Best price in India — only at techiesms

Continue reading
DC DC boost converter module 5V 8V 9V 12V
Sachin Soni
0

1.5A Mini DC-DC Boost Converter Module (5V/8V/9V/12V Adjustable)

Compact and efficient, this 1.5A Mini DC-DC Boost Converter steps up any DC input (from 2.5V) to your choice of 5V, 8V, 9V, or 12V — perfect for lithium battery-powered Arduino, ESP32, and IoT builds across India. Set output voltage once with a quick solder, and it stays locked.

✅ 4 selectable output voltages: 5V / 8V / 9V / 12V via solder pads
✅ Wide input range: 2.5V to (VOUT − 0.5V) — works with LiPo, AA cells, USB
✅ Onboard LED indicator — disable by pad cut for ultra-low idle (<1 mA)
✅ Ultra-compact: 22 × 11 × 3.6 mm, 2.35 g — fits any enclosure
✅ Best price in India — only at techiesms

Continue reading
XL6009 step up module
Sachin Soni
0

XL6009 DC-DC Step-Up (Boost) Converter Module

The XL6009 DC-DC Step-Up Converter Module is a compact and efficient boost regulator designed to increase low input voltage to a higher adjustable output. Powered by the advanced XL6009E1 chip, it delivers up to 94% efficiency with stable performance. Ideal for DIY electronics, battery-powered projects, and embedded systems, this module offers a reliable and cost-effective voltage boosting solution.

Continue reading
AI Meeting Recorder
Sachin Soni
0

AI Meeting Recorder Project

Your conversations. Transcribed. Summarised. Queryable.

A wearable AI-powered pendant that records every meeting, automatically converts speech to text, generates a smart summary, and lets you ask anything about it — all from a device small enough to wear around your neck.

Continue reading
TTP223b Touch Sensor Module
Sachin Soni
0

TTP223B Capacitive Touch Sensor Module

The TTP223B Capacitive Touch Sensor Module is a compact touch switch module designed for Arduino, ESP32, and DIY electronics projects. It detects human touch and provides a digital output signal, making it ideal for touch controls, smart home systems, and interactive electronic applications.

Continue reading