DC 5V 12V NE555 Adjustable Resistance Frequency Pulse Generator Module

Package: 1X NE555 Module Feature: 1. Onboard NE555 IC. 2. Single channel signal output, the output duty cycle about 50% square wave. 3. Plate load resistor, adjust the resistance to control the output frequency. 4. Onboard power indicator. 5. Working voltage: 5V~12V. 6. ​Frequency range: 2K-25KHz 7. Size: 3*1.5cm Contact Us (1) We strive to provide the best service as possible, commit to resolve all problems and give fast shipping. (2) Please contact us before giving any negative feedback. If you have any questions, please do not hesitate to contact us. Payment (1) All payments must be prepaid and cleared. (2) We only accept Paypal payment. After checkout, please make through Paypal service. Shipping (1) Buyer is responsible for any incorrect address and undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address. We take the paypal address as your shipping address. Please make sure your shipping address is correct during check out. (2) Your order will be shipped within 24 hours after payment is cleared (Sat. & Sun. excluded and holidays) (3) We ship orders using USPS (United States Postal Service). The shipment usually takes 2-4 business days, excluding holidays, Saturday and Sunday (4) Local pick up is not available. (5) No International Shipping. Warranty (1) This product has a 30-day warranty. (2) Warranty does not extended to any products that are buyer’s negligence, abuse, misuse, improper installation or physically damaged on the buyer or user’s part. (3) Please contact us before making a replacement or refund. (4) In case of returning, buyer must pay their own postage and shipping fees for replacement or refund. We will provide replacement or refund after product is received.

Nobsound 7.83Hz Schumann Resonance Wave Mini Ultra-low Frequency Pulse Generator

Schumann wave itself does not make any sound, it is not directly acting on the sound or video products to improve the quality of sound or vision. It’s working on the space environment, make the people’s physical and mental get relaxed, improve the body’s perception of sound and images, improve the human body health and working efficiency, it also has a good effect on insomnia, mental strain and so on. For more information please Google “Schumann Resonance”.

Colby Instruments PG 5000A 5GHz Dual-Output Pulse Generator

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HP 8116A Pulse Function Generator 50MHz Hewlett Packard Working

HP 8116A Pulse Function Generator 50MHz Hewlett Packard Working. Left behind at a space we just moved into. Powered up, the unit turns on and runs through startup process. Calibration shows 2 years ago. Please see pictures for details and ask any questions.

DC37.8V Electromagnetic Pulse Generator With Built-in Reinforced AntennaBT

Explore new possibilities with our versatile signal generator. Discover the versatility of our (1 set) 150MHz Multi function Signal Generator (Storage). Designed for professionals in the electronics industry, our signal generator is a must have tool for engineers, technicians, and professionals.