Buyer pains we hear most

  • Display sunlight readability is routinely underestimated and only tested in controlled lighting, not outdoor conditions
  • Motor protocol compatibility is fragmented across Bosch, Shimano, Bafang, and proprietary systems with no single test reference
  • Sealed enclosure failures at the display window bond trace to adhesive process variation in assembly
  • StVZO and EPAC lighting output and speed cutoff behavior must be verified per unit for DE and EU market compliance

Typical product traits

  • Sunlight-readable transflective LCD or high-nit OLED display with glove-operable interface
  • Single-button or capacitive touch interface rated for glove use
  • Motor protocol bridge supporting Bosch, Shimano, Bafang, or proprietary UART/CAN protocols
  • IP65 sealed enclosure with sealed connector or pigtail cable exit

Regulatory environment

EPAC safety standard

EN 15194

German road traffic lighting

StVZO (DE market)

EU Radio Equipment Directive

2014/53/EU (RED)

Portable lithium secondary cells

IEC 62133-2

Test plan considerations

  • Per-unit display luminance and contrast verification against sunlight readability threshold
  • Motor protocol communication functional test with reference motor controller per protocol variant
  • Enclosure bond integrity and IP65 sealing test on assembled samples per batch
  • Speed cutoff and lighting output functional test for EU and DE market variants

Frequently asked questions

Do we need a written test plan?

Yes. A production test plan defines pass and fail criteria, FCT vectors, calibration steps, and serialization rules. We help draft one if your team has not written one yet, based on your firmware behavior and target field performance.

Can you load and provision firmware in production?

Yes. In-line firmware loading during functional test and offline programming via dedicated fixtures. We support SWD, JTAG, UART, and USB-DFU interfaces, multi-image programming (bootloader, application, file system), and signed bootloader chains.

Do you support RoHS and REACH compliance?

Yes. We work with RoHS-compliant component selection and SAC305 lead-free solder by default. REACH substance documentation comes from supplier declarations forwarded with each batch.

Quote e-bike and lev display and controller accessories

Send your product files and a short description. We respond within one business day.