Note: This NodeMcu Lua module, is dedicated to the wifi smart car, which means, this module have the special program for the wifi smart car. Feature: ESP12 DEV KIT development...

Features:Input voltage: 24V AC or 30V DC;  Output voltage: 0 to 28V  adjustable;  Output current: 0.01A - 2A adjustable;  Fast rotary encoder: 0.5V, 0.05A;  Slow rotary encoder: 0.1V, 0.01A.Note:1. The...

Description: This circuit voltage can be from 0 v, output current can be ma from 2 to 3 a continuously adjustable, set the output current, if the experiment circuit exceeds...

Description: Compatible: All mobile phones with Bluetooth function. Shell Material: Plasic. Screen Type: OLCD,touch screen. Display Size: 0.49 Inch. Card Extend: No. NFC: Support. Data transfer: USB/Bluetooth. Charge: USB Charge....

Specifications: Screen: 0.49 Inch OLED Screen. Vibrate: Mute/Vibrate. Heart Rate Sensor Type: Yes. Blood Pressure Monitor: Yes. Blood Oxygen Monitor: Yes. Six-axis Sensor: Yes. Bluetooth: Bluetooth 4.0BLE. Charger Type: 1.5H,...

Specification: System: IOS iphone4S IOS8 and above. Andrews Andrews 4.3 Bluetooth 4.0 and above models. Bluetooth version: BLE4.0. Bluetooth chip: nRF52832. Heart rate sensor heart rate blood pressure two in...

Specification: Bluetooth Version: BT 5.0. Chipset: GR5515 Compatible System: Android system 4.4 version or above; iOS system 9.0 version or above. Operating Mode: Full Touch APP Name: H Band APP...

Features: * Chip: NRF51822. * Bluetooth version: Bluetooth 4.0. * RAM/ROM: RAM 32KB; ROM 256KB. * Display: 0.87 inch / OLED / 128*32. * App name: FundoBracelet. * Raise Hands...