2N2907A 60V 600mA PNP BJT Transistor

25৳ 
The CENTRAL SEMICONDUCTOR 2N2906, 2N2907 series types are silicon 60V 600mA 400mW PNP epitaxial planar transistors designed for small signal, general purpose switching applications.

BC547 50V 100mA NPN General Purpose Transistor

3৳ 
The BC547 is a NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at ground and will be closed (Forward biased) when a signal is provided to base pin.

ESP32-S Wi-Fi + Bluetooth Chip on ESP32

400৳ 
The ESP32-S is a wireless module based on ESP32, supports Wi-Fi and Bluetooth 4.2, with built-in 32Mbit Flash, in the SMD38 package. There are also on board PCB antenna and metal shield.

DS3231 Accurate I²C Real-Time Clock

346৳ 
The DS3231SN is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping.

RS485 Soil NPK Sensor Fertilizer Detector 3 In 1

13000৳ 
RS485 Soil NPK Sensor 0-5V Nitrogen Phosphorus Potassium Agricultural Tester Environment Fertilizer Detector 3 IN 1.

CD4515BE 4-bit Latch/4-16 Line Decoder IC

147৳ 
The CD4515BE is consist of a 4-bit strobed latch and a 4-to-16-line decoder. The latches hold the last input data presented prior to the strobe transition from 1 to 0. Inhibit control allows all outputs to be placed at 1 regardless of the state of the dat