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Wireless shifting actuator assembly
QT-MOD-SHIFTACTIVEProject templateCustomisable

BLE / ANT+ Dual-protocol Wireless Electronic Shifting

Nordic nRF52832 design: wireless shifting actuator + low-power wireless shifter, for cycling and fitness equipment

nRF52832Bluetooth LEANT+UART
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Overview & features

The system has two parts, both built on the nRF52832. The actuator receives commands over 2.4GHz BLE and ANT+ and drives the motor; an encoder samples the rotor in real time for closed-loop position control, and gear settings can be edited and managed. A vibration sensor / gyroscope detects when the bike is stationary and puts the actuator into low-power sleep; it wakes on motion. The shifter normally sits in a low-power state and wakes on a button interrupt to send control commands.

Key features

  • BLE + ANT+ dual protocol, compatible with cycling and fitness ecosystems
  • Closed-loop position control via encoder, with editable gear settings
  • Sleeps automatically when stationary and wakes on motion, extending battery life
  • Suited to smart monitoring on bicycles, e-bikes, fitness equipment and similar devices

Specifications

Platform & wireless

SoCNordic nRF52832 (used in both actuator and shifter)
WirelessBLE + ANT+, 2.4GHz

Actuator

MotorBrushed DC motor, PWM drive, current monitoring
Position feedbackEncoder samples the rotor in real time
SensingVibration sensor / gyroscope (I2C / SPI) for stationary / motion detection
PowerBattery powered; low-power sleep when stationary

Shifter

Input2 buttons, wake on button interrupt
Indication2 LEDs

Applications

Fitness & Light Mobility

FAQ

How soon will I hear back after submitting an inquiry?

Usually within 4 hours during working hours. For requests involving a custom solution, an engineer gets in touch within one working day to confirm the details.

Why doesn’t the site show prices?

Hardware and solution pricing depends on quantity, degree of customisation, certification and delivery requirements, so we issue a formal quote against each inquiry. Reference prices and MOQs for standard items are available when you inquire.

Is there a minimum order quantity?

Samples and small pilot runs are both available; the mass-production MOQ is stated in the quote and depends on the product and its materials.

Can you help with certification?

Yes. We arrange testing and certification for the target market — CCC, CE, FCC, SRRC, RoHS and others — with cost and lead time itemised in the quote.

Can the devices connect to our own cloud platform?

Yes. The firmware supports MQTT / HTTP integration with your own platform or a public cloud IoT platform; you can also use our cloud platform and mini-program monitoring service.

How do you handle after-sales support and firmware updates?

Mass-produced products come with OTA firmware updates and technical support; repairs and replacements are handled under the warranty period agreed in the contract.

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