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A 600 MHz Cortex-M7 in a 35 × 18 mm board: the fastest Arduino-compatible microcontroller for its size.

Processor: NXP i.MX RT1062 Cortex-M7, 600 MHzFlash / RAM: 2 MB / 1 MBI/O: 40 digital, 14 analog, 31 PWMSerial: 7 UART, 3 SPI, 3 I2C, 3 CAN

₹3,309

PJRCTeensy 4.1600 MHz Cortex-M7 microcontroller board with Ethernet PHY and SD slot.MCU: i.MX RT1062, 600 MHzExtras: microSD, Ethernet PHY, USB host₹3,900

TenmaTenma bench power supply, 0–30 V 0–3 A (72-10480)Adjustable linear bench supply with constant-voltage and constant-current modes for safe circuit bring-up.Output: 0–30 V, 0–3 AType: Linear, CV/CCDisplay: Digital V and A₹12,715

TenmaTenma programmable bench power supply (72-2540)Programmable 30 V 5 A supply with memory presets and USB control.Output: 0–30 V, 0–5 AControl: Front panel + USBPresets: Yes₹19,360

Texas InstrumentsTI MSP430 LaunchPad (MSP-EXP430G2ET)The MSP430G2553 LaunchPad used in many Indian university microcontroller syllabi.Microcontroller: MSP430G2553 (DIP, socketed)Debugger: eZ-FETLogic: 3.3 V₹2,299

Texas InstrumentsTI MSPM0G3507 LaunchPad (LP-MSPM0G3507)TI's newer Arm Cortex-M0+ MSPM0 LaunchPad, with an on-board XDS110 debugger and light and temperature sensors.Microcontroller: MSPM0G3507, 80 MHz Cortex-M0+Debugger: XDS110Extras: CAN-FD, op-amps, 12-bit ADC₹3,173

GenericTMC2209 silent stepper driverStealthChop2 driver with UART configuration and sensorless homing.₹1,341

AdafruitTT gear motor, 200 RPM (Adafruit)The yellow plastic gear motor used on most 2WD and 4WD robot cars.Voltage: 3–6 VSpeed: ~200 RPM at 6 V₹365

GenericUBEC 5 V 3 ASwitching regulator that powers servos and electronics from a 2–6S pack.Output: 5 V, 3 AInput: 2–6S₹313

Texas InstrumentsULN2003 Darlington driver array, DIP-16Seven 500 mA drivers for relays, small steppers and LED strips.Channels: 7Current: 500 mA each₹140

GenericUSB 3.0 hub, 4-portCompact four-port USB 3.0 hub for the onboard computer's adapters.₹212

WaveshareUSB-CAN-A adapter (STM32)USB to CAN adapter for talking to a bus of motor drivers from a PC or Pi.₹2,337

OpenBuilds-compatibleV-slot wheel kitDelrin V-wheel with bearings, spacer and shim for V-slot carriages.₹105

AdafruitVibrating mini motor disc (Adafruit)Coin vibration motor for haptic feedback in wearables and alerts.Voltage: 2–5 VSize: 10 mm × 2.7 mm₹241

GenericVL53L0X time-of-flight distance sensorLaser ranging up to about 2 m over I²C.Range: Up to ≈2 mInterface: I²C₹466

GenericVL53L1X time-of-flight distance sensorLaser ranging up to 4 m with a programmable field of view.₹576

WAGOWAGO 221-412 lever connectors, 2-way (pack of 10)Tool-free splicing connectors for 0.2–4 mm² wire, reusable and transparent.Ways: 2Wire: 0.2–4 mm²Rating: 32 A, 450 V₹690

WAGOWAGO 221-413 lever connectors, 3-way (pack of 10)Three-way version of the WAGO lever connector.Ways: 3Wire: 0.2–4 mm²Rating: 32 A, 450 V₹939

DFRobotWaterproof DS18B20 temperature probe (DFRobot)Sealed stainless probe on a cable for measuring liquid, soil or outdoor temperature (−55 to +125 °C).Range: −55 to +125 °CInterface: 1-Wire₹852

GenericWaterproof ultrasonic sensor (JSN-SR04T)Sealed ultrasonic probe for outdoor robots and tank levels.Range: ≈25–450 cmInterface: Trigger / echo₹380

Seeed StudioWire stripper (Seeed Studio)Hand wire stripper with preset notches for 20–30 AWG wire.Wire: 20–30 AWG₹605

Seeed StudioXIAO ESP32S3 SensePostage-stamp board with camera and microphone for tiny vision projects.₹1,870

GenericXL4015 5 A adjustable buck converterStep-down converter with adjustable voltage and current limit.Input: 4–38 VOutput: 1.25–36 V, up to 5 A₹121

AmassXT30 connector pairSmall battery connector for micro quads and 2–4S packs.Rating: ≈30 A continuous₹32

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