Hobby Shop BD

ARM Cortex M3 - LeafLabs Maple Mini - STM32 Module

It's a Arduino like board also the IDE looks identical even though the underlying mechanism is completely different.

It supports almost everything a Arduino board does also provides some advantages :

* Firstly, it's a 32 bit processor (STM32F103xB) with 72MHz clock speed
* 128 KB Flash and 20 KB SRAM
* 34 digital I/ pins (GPIOs)
* 12 PWM pins at 16 bit resolution
* 9 analog input (ADC) pins at 12 bit resolution
* 2 SPI peripherals
* 2 I2C peripherals
* 7 Channels of Direct Memory Access (DMA) (dma.h)
* 3 USART (serial port) peripherals
* 1 advanced and 3 general-purpose timers
* Dedicated USB port for programming and communications
JTAG
* Nested Vectored Interrupt Controller
* Supplies up to 500 mA at 3.3 V, with separate 250 mA digital and analog regulators for low-noise analog performance
* Support for low power, sleep, and standby modes (

(NRF24L01+) 2.4Ghz Wireless Medium Range Transceiver Module with built in PA LNA + Antenna

Supports : 256kbps, 1mbps, 2mbps data transfer speed, SPI Interface, 64 RF channel, star network, enhanced shock burst, automatic packet handling with ack, dynamic packet handling, lower power application etc.

Datasheet : http://www.nordicsemi.com/eng/Products/2.4GHz-RF/nRF24L01

Range : more than 1000 meter in open field (expected)

Price (as of today): 1125 BDT/pcs
Required: at least 2 pcs

(NRF24L01+) 2.4Ghz Wireless Transceiver Module

Supports : 256kbps, 1mbps, 2mbps data transfer speed, SPI Interface, 64 RF channel, star network, enhanced shock burst, automatic packet handling with ack, dynamic packet handling, lower power application etc.

http://www.nordicsemi.com/eng/Products/2.4GHz-RF/nRF24L01

Range : about 50 meter in open field (expected)

Price (as of today): 450 BDT/pcs
Required: at least 2 pcs

10 DOF IMU (MPU6050 + MS5611 + HMC5883L) all in one
Price (as of today) : 1850 BDT

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