STV2.3 Mini Servo Tester Digital Brushless Multi RC ESC Speed Position Controller 3CH 3-Mode

Quick Introduction: Tired of mounting your servos and receiver to find out one is jittery or not centring correctly? The STV2.3 Mini Servo Tester is the ultimate diagnostic tool that lets you test and centre your gear before you even touch your transmitter. Whether you are building a new drone or calibrating an RC car, this compact device saves you hours of setup time.

Detailed Specifications:

• Product: Servo Tester
• Model: STV2.3 Mini 
• Input Voltage : 4.8V - 6.0V (Strict Limit)
• Output Signal Width: 1.5ms ± 0.5ms
• Output Capabilities: Connect and control up to 3 servos simultaneously
• Test Modes: 3 Distinct Modes (Manual, Neutral, Automatic Window Wiper)
• Output Channels : 3 x 3-Pin Headers (Standard 0.1" spacing)
• Input Connector: Standard 3-Pin (fits Futaba/JR/Hitec)
• Housing Material: Durable aluminium alloy and high-quality plastic
• Dimensions: Approx. 42mm x 24mm x 23mm
• Weight: Approx. 28g
• Compatibility: Standard RC Servos (Helicopter, Aeroplane, Car) and ESCs

How It Works (3 Selectable Modes):

1. Manual Mode (S-1): Turn the dial to simulate transmitter stick inputs. This allows you to check the servo's reaction speed and check for any "grittiness" in the gears.

2. Neutral / Centre Mode (S-2): Essential for assembly. Press the "Select" button, and the unit sends a precise 1.5ms pulse to lock the servo at its true centre. Do not install servo horns without doing this first!

3. Auto / Window Wiper Mode (S-3): The unit automatically cycles the servo from minimum to maximum throw. Use this to "break in" new gears or stress-test a servo for 10-15 minutes to ensure it won't overheat under load.

Quality Advantage & Differentiation While many cheap servo testers flood the market with jittery signals and poor potentiometers, the STV2.3 stands apart with its Industrial Grade Parts and superior build quality. Sourced from the best manufacturers, this unit is custom-manufactured to Spec with tight quality control to ensure a stable, noise-free signal that mimics your receiver perfectly. We prioritise high-precision components to guarantee that when you centre a servo with this tool, it stays centred in the air. Don't risk your expensive models with low-grade diagnostic tools; trust DeWin for professional reliability.

Key Applications & Usage This tester excels in the workshop of any RC enthusiast, robotics student, or drone pilot. It is primarily used to check the health and range of motion of servos without a radio system. It is also perfect for testing Electronic Speed Controllers (ESCs) by generating the PWM signal needed to spin up brushless motors safely on the bench. Whether you are setting up a CCPM swashplate on a helicopter or troubleshooting a steering mechanism on a rover, this tool provides the immediate feedback you need.

Popular Project Ideas

• RC Plane Pre-Flight Rig: Build a portable test station to check all control surfaces before heading to the field.

• Robotic Arm Calibration: Use the manual knob to precisely position multiple servos during the assembly of a robotic manipulator.

• Automated Endurance Testing: Set the device to "Auto Window Wiper" mode to stress-test new servos for hours to ensure they won't fail during operation.

Open-Source Compatibility: This device is a staple in the Arduino and Raspberry Pi communities for verifying hardware before writing code. Before you spend hours debugging your Servo.h library sketch or Python script, use the STV2.3 to confirm your motors are functional. It acts as a hardware "sanity check" for makers working with PWM signals and mechatronics, ensuring your logic is sound and your hardware is ready.

⚠️ VOLTAGE WARNING: Do not exceed 6.0V. Using a fully charged 2S LiPo (8.4V) or 3S LiPo (11.1V) directly without a BEC (Battery Eliminator Circuit) will burn out the unit immediately.

⚠️ POLARITY WARNING: Ensure you plug your power source and servos in the correct orientation. Look for the signal (S), positive (+), and negative (-) markings on the case. Reverse polarity can damage the tester and your servos.

Package Includes: 1 x STV2.3 Mini Servo Tester