● 17 min readShowdown: Uno R4 vs Uno R3 vs Nano
Welcome to Vol. 12 of The Probots Showdown. Three boards. Three price points. Three very different futures for your project.Should you stick with the
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Professional 30A ESC flashed with SimonK firmware for ultra-fast throttle response. Features pre-soldered T-Plug and Bullet connectors for easy F450 and F550 drone assembly.
Uncompromised agility for your multi-rotor build. The Simonk 30A Brushless ESC is engineered to eliminate the "lag" found in standard aircraft ESCs. By utilising the specialised SimonK firmware, it bypasses traditional safety features that slow down motor speed changes, allowing your flight controller to make hundreds of corrections per second for a rock-solid hover and razor-sharp turns.
Probots™ ProSpec Grade Convenience This ESC is Probots™ ProSpec Grade, arriving fully prepared for immediate installation. It features a pre-soldered T-Plug (Deans style) for battery connection and high-quality Bullet Connectors on the motor output phases, eliminating the need for tedious soldering during your build. The integrated Battery Eliminator Circuit (BEC) provides a stable 5V output through the standard three-wire signal cable to power your flight controller and receiver directly.
Continuous Current: 30A
Burst Current (10s): 40A
Input Voltage (LiPo): 2S to 3S (7.4V- 1.1V)
BEC Output: 5V,3A
Firmware: SimonK
Connectors (Input): T-Plug / Deans Male
Connectors (Output): 3.5mm Gold Bullet Female
Signal Cable: Standard Servo Connector (Orange: Signal, Red: 5V, Brown: GND)
Quadcopter & Hexacopter Builds: Specifically optimised for F330, F450, and F550 frames.
Stable Aerial Photography: Provides the smooth commutation required for vibration-free cinematic flight.
Educational Robotics: An easy-to-use controller for high-power brushless motor experimentation.
Unlock New Capabilities (Project Evolution)
Feature Upgrade: The SimonK firmware is non-programmable via the throttle stick, ensuring your settings never accidentally change mid-flight.
Effort Level: Beginner. The plug-and-play connector design allows for rapid assembly of a complete power train in minutes.
Package Includes:
1 x Simonk 30A Brushless ESC (Red Heat Shrink)
Pre-soldered Power Connector (T-Plug)
Pre-soldered Motor Connectors (3.5mm Bullets)
Is this ESC programmable? No, SimonK firmware is designed for a fixed, optimized multi-rotor response and does not support standard stick programming.
What is the maximum battery cell count? It is rated for 2S to 3S LiPo (7.4V to 1.1V).
What motor is best for this ESC? It is a perfect match for A2212 1000KV or 1400KV brushless motors.
How do I reverse the motor rotation? Simply swap any two of the three blue motor output wires.
Does it include a BEC? Yes, it provides a 5V,3A output to power your flight controller.
Can I use this on an F450 frame? Yes, it is specifically designed for F330, F450, and F550 multi-rotor frames.
What connectors are on the motor side? It features 3.5mm female gold bullet connectors.
What connector is on the power side? It features a male T-Plug (Deans style).
Why are the motor wires blue? The blue silicone wires are used to clearly distinguish the three motor phases from the power input wires.
What is the burst current rating? It can handle up to 40A for short 10-second bursts.
Do I need to calibrate this ESC? Yes, perform a standard throttle range calibration through your flight controller or receiver.
Is it compatible with 4S batteries? It is primarily designed for 2S-3S; using 4S may exceed the thermal limits of the BEC.
What firmware is installed? It is flashed with the industry-standard SimonK firmware for multi-rotors.
How do I mount this to my drone arm? Secure it using zip ties or double-sided mounting tape.
Does it have low-voltage protection? Yes, but SimonK firmware usually has a very soft cutoff to prevent your drone from falling out of the sky.
Can I use this for a brushless boat? Yes, provided the current draw of the motor remains under 30A.
What are the signal wire colours? Orange (Signal), Red (5V), and Brown (Ground).
Is it waterproof? No, the electronics are protected by heat shrink but are not submersible.
What is the weight? Approximately 30 grams.
Can I use it on a fixed-wing plane? Yes, though the lack of a "brake" mode (standard in SimonK) is worth noting for gliders.
Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in
We delivery electronics components and parts throughout India using standard couriers like Bluedart, Delhivery & India Post.
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Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in
We offer specialized services for Bulk, Wholesale & B2B Customers like discounted prices, additional shipping options, customised products, etc . Customer with large quantity & regular orders qualify for the specialised discounted rates.
We also offer dedicated sales team to assist you with the order process by providing sales quotations, PI, technical support for choosing products, etc.
Note: Business Orders are processed manually and usually take 1-3 days to process compared to placing the order directly on our website. Please plan your purchases accordingly.
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Probots Electronics is highly regarded for its great selection of components and professional service. Customers frequently praise the awesome care and timely delivery provided by the team to ensure all products arrive safely.
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