Pulse Generator, DROK 2pcs LCD Display PWM Frequency 1Hz-150kHz Duty Ratio 0-100 Percent Adjustable Square Wave Rectangular Wave Signal Generator Board
DROK pulse generator module operating voltage range is DC 3.3-30V, adjustable pwm frequency range is 1Hz-150kHz, adjustable duty ratio range is 0%-100%..
Application: it can be used as a square wave signal generator, generate square wave signal for experimental development.
generate square wave signal to control the motor driver.
generate adjustable pulse to control the relevant circuit (PWM dimming speed application etc)..
High Frequency Resolution: frequency in range 1Hz~999Hz, display resolution is 1Hz.
range 1.00kHz~9.99kHz, display resolution is 0.01kHz.
range 10.0kHz~99.9kHz, display resolution is 0.1kHz.
range 1kHz~150kHz, display resolution is 1kHz..
TTL Level Communication: the frequency meter is designed with single-chip TTL level communication, communication standard is 9600 bps..
LCD Display: the blue LCD clearly displays frequency and duty ratio, PWM output can set frequency and duty ratio independently..
Carefree Fish Aquarium Heater PTC Ceramic Digital Double Heating Rods The Safest Most Accurate and Fastest Heater for Fish Tank 500W
... It starts with two heating rods simultaneously, doubling the speed at which the water heats.When one of the heating rods failed, the other heating rod was still functioning normally.This will ensure that your lovely fish won't die if the water suddenly gets cold..
❤Frequency conversion heating, the maximum energy saving. When the water temperature is low, the heater will automatically run in high power to improve the water temperature at a faster speed. When the water temperature gradually reaches the set temperature, the heater will gradually reduce the power to save electric energy..
❤500W,110V.60Hz.68~93.2℉,for 30~120Gallon fish tank.
Disney Mickey and Friends It s My Birthday T-Shirt T-Shirt
SCULPTED CHIP COFFEE MUG – With an indented chip on the rim (created with a paint effect), metallic gold trims, and the sweet face of Chip from....
8 OZ. CERAMIC COFFEE MUG – The mug measures 4.75 x 4 x 3.75 inches, and due to the gold foil printing is not microwave or dishwasher safe. Wash it....
MAKES A GREAT BEAUTY AND THE BEAST GIFT – Whether it’s for kids, women, men, or teens - this mug will be loved by Chip fans, making it a cool &....
COMES IN A DISNEY BEAUTY AND THE BEAST GIFT BOX – Ready for giving, this adorable mug comes in a box with sketches of Beauty, Beast, Chip, and Mrs.....
7.83HZ Schumann Wave Ultra-Low Frequency Pulse Generator & Audio Resonator Schumann Resonance Wave Pulse Generator with USB Cable & Screwdriver
Accurate and Exactness Performance: This Pulse Generator is adopted with high stable frequency acquisition elements, it includes high stability pulse chip, Exactness correction capacitance, Exactness multi-loop adjustable resistor, display Firmcapacitance, all of them ensure an accurate and high precise working with a good durability.
Premium Quality: This product Schumann wave 7.83HZ very low frequency generator, which features with high accuracy and great stability. At the same time, it is adopted with high quality polymer batteries, with overcharged, over-voltage, over-current protection. There is almost no voltage ripple in the voltage supply.
Multi-functional: The Schumann wave can helps relax people's physical and mental, and it helps improve the body's perception of sound and images, and it also helps improve the health of the human body to improve the efficiency of work, and the condition of mental stress also has ....
8.2 MH RF Security Tags Soft Labels with Mock Barcodes for Retail EAS Anti-Theft System (2000 PCS)
...t Coefficient】The appearance of RF labels can be disguised as ordinary barcode, which can effectively protect the goods from being lost. When the RF tag passes without induction elimination, the electronic tag can effectively prevent the loss of goods by automatically sending an alarm signal from the 8.2MHz radio frequency anti-theft door..
【High-strength Bonding】Professional use of high-strength adhesive can make the label stick firmly, not easy to fall off, and greatly extend its service life. In addition, the small size has the advantage of being easy to store & carry, and prevent theft without affecting the aesthetics..
【Quality Assurance】The label strictly abides by the anti-theft product standards. Each label contains a dedicated 8.2Mhz radio frequency chip, which is stable and not easy to fail because of magnetic influence. The anti-theft system can form induction with the chip through 8.2Mhz radio frequency, so as to achieve the purpose of safety protection..
【Widely Application】The label is as thin as a piece of paper, which is suitable for clothing labels, care product bottles, carton packaging and other commodities. Generally, it can be used for shopping malls and supermarkets and other retail places..
Seeed Studio LoRa-E5 Development Kit - Based on LoRa-E5 STM32WLE5JC, LoRaWAN Protocol and Worldwide Frequency Supported.
✨【Long-distance Transmission Range to 10km】LoRa-E5 Mini Dev Board features an ultra-long transmitting range of LoRa-E5 up to 10km in an open area, extremely low chip power consumption, and user-friendly interfaces. Note: Ideal value in open area..
✨【Global LoRaWAN and LoRa Frequency Plan Supported】LoRa-E5 Mini Dev Board embedded with LoRa-E5 STM32WLE5JC Module, which is the world-first combo of LoRa RF and MCU chip into one single tiny chip and is FCC and CE certified. It is powered by ARM Cortex-M4 core and Semtech SX126X LoRa chip, supports both LoRaWAN and LoRa protocol on the worldwide frequency..
Frequency Divider -- This is a tweeter+mediant+bass three-way KTV, stage professional speaker crossover and DIY upgrade tool which is to improve audio quality.This is a professional frequency divider, which is widely installed in the speaker..
Function -- The function of the frequency divider is to separate the mixed analog audio signals into high-pitched, mid-range and low-pitched parts, and then respectively send them to the corresponding high, medium and low woofer units for playing, thereby achieving the purpose of improving the sound quality..
Perfect Hifi Sound -- Ensuring large load capacity, long-term durability and very good sound quality.Make the treble clear, enrich the alto effect, and increase the intensity of the bass, freely enjoy clear and natural music.Small switch can adjust the treble (normally 3db can be added)..
Super Durability -- Wire wound ceramic resistor and high-quality metal film capacitors, ensure its large load power, long-term durability, never burnout.High-quality capacitors low loss and high quality, no longer have the problem of electrolytic capacitors..
High-quality Materials -- High temperature resistant wire, wire wound ceramic resistor and imported metal film.Over-current protection design, simple and beautiful lines....
8pcs Adjust Frequency Screwdriver Portable Anti-Static Plastic Screwdriver Set Multi-Purpose Screwdriver Ceramic Set Home Hand Tools for High Frequency Circuit Adjustment
*【HIGH-QUALITY MATERIALS】Our anti-static screwdriver uses precision zirconia ceramic drill bits, which are of good quality and durable. It has good workmanship, strong hardness, and is not easy to wear. The main part is made of plastic materials with stable performance. You can grow Time to use..
*【SCOPE OF APPLICATION】Our adjust frequency screwdriver is suitable for high frequency circuit adjustment, suitable for all kinds of inductances, semi-variable capacitors, semi-resistors and large brand SMD parts..
*【8 SETS OF OPTIONAL】This screwdriver cermamic set includes 8 different drill bits, which has a wide range of applications and is suitable for most screws. You can buy it for your convenience..
*【ANTI-STATIC DESIGN】Our adjust frequency screwdriver has the characteristics of no electromagnetic induction, electric and thermal insulation, and is an antistatic and insulating ceramic screwdriver..
*【SATISFACTION GUARANTEE】The quality of our screwdriver cermamic set is guaranteed. If the product has squeezing or other problems during transportation, please contact us in time, we will contact you as soon as possible and give you a satisfactory answer..
