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Glass Slab for Science Experiments

75

Glass slab is a substance made of glass having 3 dimensions and is like cuboid shaped. It does not deviate the light. This means that the incident and the emergent ray are parallel. The slab only produces lateral (sideways) shifts or displacement. It can teach children to explore the mysteries of light, stimulate a child’s thirst for knowledge, and improve the children’s interest in understanding the magic world.

Stepper Motor Driver Module, DRV8825

200

The DRV8825 stepper motor driver can drive one bipolar stepper motor at up to 2.2A with adequate cooling. The module can easily handle 1.5A with no heatsink. A small heatsink is included and with a little air flow, it can handle up to the full 2.2A. Note that the driver IC can handle up to 2.5A, but the 0.1 ohm current sense resistors limit the output to 2.2A.

nRF52 Development Kit

7,800

The nRF52 DK is a versatile single board development kit for Bluetooth 5, Bluetooth mesh, NFC, ANT and 2.4 GHz proprietary applications on the nRF52810 and nRF52832 SoCs.

DC Fan 12V with Grill

200

This is an DC Fan which works at 12V DC and perfect for using as a solder fume extractor or for exhaust in a closed project to get the heat out or for those hot summer days when you just need extra air when working on projects. This fan can also be used in a solar powered home, but remember the fan takes up a lot of current and might drain the batteries quickly.

This DC Fan is included in our SOLAR KIT as well, which has a complete set of items to make a solar powered lights and fans for your home, school, class or office, check it out at Ejaad Box Solar Kit.

HopeRF Wireless Transceiver RFM69HCW, 868Mhz

150

These RFM69-868 transceiver modules operate over the 868MHz license-free ISM (Industry Scientific and Medical) frequency band. All major RF communication parameters are programmable and most of them can be dynamically set. The RFM69 has the advantage of programmable narrow-band and wide- band communication modes. The RFM69 is optimized for low power consumption while offering high RF output power and channelized operation. Two RF power output options are available.

GSM Antenna with SMA Connector

250

This antenna is used with GSM modules to increase the transmitted signal strength.

AA Cell Holder for 4 Cells in Series for 6V Output

80

This is a convenient holder to keep your AA cells in place for use in any circuit or project. All the 4 cells are connected in Series to give a total output voltage of 6V, 1.5×4 = 6.0V