Arduino Uno R3 Development Board – Compatible Model High Quality
- Micro-controller : ATmega328.
- Operating Voltage: 5V.
- Input Voltage (recommended): 7-12V.
- Digital I/O Pins: 14 (of which 6 provide PWM output).
- Analog Input Pins: 6.
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MAX30100 Pulse Oximeter Heart Rate Sensor Module
- Working Voltage:1.8 to 5.5 V
- Shutdown Current:0.7µA
- Color:Green
BMP180 Barometric Pressure Sensor Module compatible with Arduino
- 1.8V to 3.6V Supply Voltage
- Low power consumption – 0.5uA at 1Hz
- I2C interface
- Max I2C Speed: 3.5Mhz
- Very low noise – up to 0.02hPa (17cm)
- Fully calibrated
- Pressure Range: 300hPa to 1100hPa (+9000m to -500m)
0.96 Inch I2C/IIC 4pin 128×64 OLED Display Module Best Quality
2.44 cm (0.96 Inch)Â OLED LCD LED Display Module has a Resolution of 128X64 and a Viewing angle greater than 160 degrees. It is compatible with Arduino
Ai Thinker A9G GSM/GPRS+GPS/BDS Development Board Original Quality
A9G GSM/GPRS+GPS Modules is a quad-band GSM/GPRS module based on RDA8955 SoC and comes with 29 GPIOs and an integrated SDK. These modules support the basic phone voice call/SMS, serial to GPRS, and GPS data transmission functions which can be used in a wide range of applications. The A9G modules allow users to make a voice call, use SMS services, and access the internet and base position with only a 2G SIM card. These modules operate at -20°C to 70°C temperature range. Applications include IoT, vehicle-mounted equipment, remote localization, and electric power environment monitoring.
Seeed Studio XIAO ESP32C3
The XIAO ESP32C3 is a thumb-sized WiFi + BLE 5.0 board powered by a 32-bit RISC-V processor — perfect for wearables, IoT sensors, and battery-powered projects. At just 21×17.5mm, it’s the smallest ESP32 board you can buy in India. Onboard LiPo charging, Arduino IDE compatible, and ready to use out of the box.
✅ Built-in WiFi + Bluetooth 5.0
✅ Onboard LiPo battery charging
✅ Arduino, MicroPython & CircuitPython ready
✅ Deep sleep as low as 44μA
✅ Best price in India — only at techiesms
PAM8403 5V Two-channel Stereo Mini Class-D 3W+3W Audio Amplifier Original Quality
The PAM8403 is a 3W, class-D audio amplifier. 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 output filters, thus saving system cost and PCB area.
With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications.
MP3-TF-16P MP3 Disk TF Card Module
It’s a small and low-cost MP3 module player with a simplified output directly to the speaker. It can be used as a stand-alone module with an attached battery, speaker, and push buttons or used in combination with an Arduino UNO or any other with RX/TX capabilities.
This perfectly integrates the hard decoding module, which supports common audio formats such as MP3, WAV, and WMA. Besides, this module also supports TF card with FAT16, FAT32 file system. Through a simple serial port, you can play the designated music without any other tedious underlying operations.