- Reduced price
- New
Ultrasonic Ranging Alarm Learn to Solder Electronics Kit for Soldering Practicing DIY Kit with HC-SR04 Ultrasonic Sensor Module
$12.54
$4.77Save 62%
Offer ends in:
Tax excluded
Security policy - Secure Transactions by 256-bit encryption
Delivery policy - Leaves Warehouse in 1-2 business days
Return policy - 30 Days Free Exchange & Return Policy
- 1. Ranging and Alarm Kit: Composes of a HC-SR04 ultrasonic Ranging sensor module, a buzzer and a STC89C25 chip(Programmed to use).
- 2. Easy to Solder: Clear symbols on the PCB board for simple welding provide a good experience of electronics soldering.
- 3. Two power supply options for choice: AAA battery or USB power supply. (a AAA battery case and a USB cable Included).
- 4. Easy to Setup: Press the +/- button to set the alarm distance and the buzzer will alarm loundly when measurment distance is less than the preset one.
- 5. Parameter: 4.5-5.5V DC. Measurement distance range: 1.96" - 157.5". Please go to "Product Information" section below for user guide if need..
