Smart Ring Battery Selection

Thought for 3 mins 34 sec

flux

Klasse Feature‑Set! Für Smart‑Ringe würde ich diese Bausteine empfehlen:

Bluetooth/MCU

Sehr kompakt, BLE‑only: NRF52832-QFAA-R oder mehr Ressourcen: NRF52840-QIAA-R
Ultraniedriger Aufwand (fertiges Modul): DA14531MOD-00F01002
Falls auch Wi‑Fi nötig: ESP32-C3-WROOM-02-N4

Gyroskop/IMU

Präzise 6‑Achsen: ICM-42688-P
Wearable‑fokussiert: BMI270
ML‑Funktionen on‑chip: LSM6DSOXTR

Vibration/Haptik

Treiber (LRA/ERM): DRV2605LDGSR oder sehr klein: DRV2605LYZFR
Coin‑Motor (Beispiele): LBM0625A3217F, Z3OC1T8219731

Touch/Gesten

Kapazitiv (Mehr‑Tasten): MPR121QR2
3‑Kanäle kompakt: CAP1203-1-AC3-TR
1‑Taste: AT42QT1010-TSHR
Optische Gesten (benötigt Fenster): APDS-9960

Hinweise für den Ring

Für kapazitive Tasten: Halte Sensor‑Leitungen sehr kurz; lange Leitungen beeinflussen Self‑Cap‑Sensoren stark. Platziere den Controller nahe an den Elektroden oder nutze Multi‑Cap‑Controller.
Haptik: LRA liefert „crisperes“ Feedback, ERM ist einfacher zu beschaffen; beide funktionieren mit DRV2605L.

Kurz zurück an dich:

Brauchst du Wi‑Fi oder reicht BLE?
Gibt es ein Sichtfenster für optische Gesten?
Wie viel Platz hast du für Motor/IMU (Durchmesser/Dicke)?

BLE oder Wi‑Fi wählen

Platzbeschränkung klären

Touch-Technik auswählen

Optische Gesten hinterfragen

Bauteile in Flux suchen

POS

NEG

Reviews

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