01
Case StudySmart Water Meter LoRaWAN
STM32L4 + SX1262, 3.6V Li-SOCl₂ 10-yr life, MBUS remote.
Key Specs
10yr bat · 8km LoRa · IP68
Engineering Services
Sensor & IoT Solutions
Analog Front-End · LoRa / 4G · Edge · Cloud Platform
End-to-end IoT: sensor selection, analog front-end amplification / filtering / calibration, low-power wireless SoMs, edge gateways, and private / public cloud integration. NB-IoT / LoRaWAN / Cat.1bis / 4G multi-mode.
Signal integrity
SI / PI / EMC
Dedicated engineer
≤ 48h
1st-pass success
> 95%
Cumulative deliver
500+ projects
Engineering DNA
Core Advantages
10+ years of HW/SW co-development expertise, with a dedicated engineering pod for every project.
🛡
01NDA-Protected Engagement
Formal NDAs are signed before every engagement — from concept scoping, schematics, and firmware to BOM selection — so customers know their proprietary product roadmaps stay fully confidential.
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02One-Stop R&D + Manufacturing
Electronic product development, MCU/MPU firmware, circuit design, PLC, in-vehicle telematics, industrial automation, post-R&D OEM and box-build assembly — all under one roof with zero hand-off friction.
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03High Q/E/S, Low Cost Tenet
We consistently adhere to the tenet of "High Quality, High Efficiency, High Service, Low Cost, with Continuous Customer Satisfaction" — going all-in on every deliverable to meet and exceed customer needs.
Why choose STS
Service Highlights
- 01
Temperature / Pressure / Vibration / Gas / Electrochemical sensors
- 02
LoRaWAN Class A/C · NB-IoT · Cat.1bis
- 03
MQTT / CoAP · Aliyun / AWS / Self-hosted EMQX
At a glanceEngineering Services
Temperature / Pressure / Vibration / Gas / Electrochemical sensors✓
LoRaWAN Class A/C · NB-IoT · Cat.1bis✓
MQTT / CoAP · Aliyun / AWS / Self-hosted EMQX✓
Engineer response≤ 48h
Delivery process
Process & Delivery
End-to-end development methodology ensuring predictable and traceable milestones.
Phase 101
Requirements & Architecture
Sensor & IoT Solutions kick-off: SOW, system block diagram, risk assessment, key component selection. BOM cost target locked with milestone schedule.
Phase 202
Detailed Design & Simulation
Schematic / FW / RTL detailed design. SI/PI/EMC/thermal pre-simulation, EVB module-level validation. > 95% first-pass success rate.
Phase 303
Prototyping & EVT/DVT/PVT
EVT functional → DVT design validation (EMC/environmental/life) → PVT pilot. Full test reports + 8D closed-loop until sign-off criteria met.
Phase 404
MP Transfer & Sustain
DFM/DFA optimization, BOM second-source roadmap, fixture / test-rack co-development. 24h MP technical response + on-site engineering support.
Track record
Case Studies Gallery
Selected production programs — the leap from PoC to millions of units.
2013 → now · 500+ projects
02
Case StudyPV Substation Monitoring GW
16× PT100 + 8× 4-20mA, Cat.1bis to Aliyun, IEC 104 protocol.
Key Specs
16ch AI · IEC104 · 4G Cat.1bis
03
Case StudyCold-Chain Temp/RH Logger
SHT35 + NB-IoT, container-grade -40~85℃, 1M+ data points storage.
Key Specs
±0.2℃ · ±2%RH · NB-IoT
Ready to kick off your project?
Sensor & IoT Solutions consulting, quotation, or PoC — 1:1 engineer response within 48h.