MQTT on ESP32 | Controlling appliances & Monitoring Sensor data over Internet using Ubidots MQTT server
ESP32 is a most advanced board till now in the field on IOT. It has great features, great performance and
PIXO Pixel – An ESP32 Based IoT RGB Display for Make/100!
About this product It’s a Make/100 product that means only 100 of this will be sold. So pixo pixel is
3.5 Inch TFT LCD Display Module SPI Interface 320X480 (Without Touch Screen)
Big, bright, and beginner-friendly — this 3.5 inch TFT display brings 320×480 resolution graphics to your Arduino or ESP32 project over a simple SPI interface. Backed by fast shipping across India, it’s the easiest way to add a large, colorful screen to your next build.
✅ ILI9488 driver with 320×480 resolution
✅ SPI interface — needs just a few GPIO pins
✅ Onboard micro SD card slot
✅ Works with TFT_eSPI on ESP32, Arduino & more
✅ Best price in India — only at techiesms
6 x 6 x 8mm Tactile Pushbutton – Black (Pack of 10)
The go-to tactile pushbutton switch for Indian makers and students — this 6×6×8mm, 4-pin, normally-open momentary switch fits standard breadboards perfectly and delivers crisp, consistent tactile feedback. Rated 50mA at 12V DC with a 300,000-cycle life. Pack of 10 — enough for a full semester of projects.
✅ 6×6×8mm through-hole, 4-pin — fits standard breadboards and PCBs
✅ Normally open (NO), momentary action — ideal for Arduino & ESP32 input
✅ 50mA / 12V DC rated — 300,000 cycle mechanical life
✅ Round actuator, crisp tactile click — consistent feel across the pack
✅ Best price in India — only at techiesms
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
PN532 NFC RFID Module V3 with Card & Tag Kit
The PN532 NFC RFID Module V3 is a powerful 13.56MHz contactless communication module supporting I2C, SPI, and UART interfaces. Compatible with Arduino, ESP32, and Raspberry Pi, it’s the go-to choice for Indian makers building smart locks, attendance systems, and NFC automation projects.
✅ Works with Arduino, ESP32, STM32 & Raspberry Pi
✅ Supports I2C, SPI & UART — switchable via DIP switch
✅ Read & write NFC tags, Mifare cards, and key fobs
✅ Includes RFID card, key fob, jumper wires & header pins
✅ Best price in India — only at techiesms
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
PCA9685 16-Channel PWM & Servo Driver Module (I2C Interface)
Control up to 16 servos, LEDs, or PWM devices using just two I2C pins. Featuring 12-bit resolution, hardware-based PWM generation, and support for cascading up to 62 modules, this driver board is ideal for robotics, automation, and advanced electronics projects.
SX1278 RA-02 LoRa Wireless Communication Module (433MHz)
Long-range 433MHz LoRa transceiver module based on the SX1278 chipset, offering up to 10km wireless communication, ultra-low power consumption, and excellent interference resistance for IoT, smart agriculture, telemetry, and remote monitoring applications.
AI Meeting Recorder Project
The product is currently in back order and the shipping is expected in August 1st Week
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.