Simple NTSC grayscale video generator circuit

Specializing in the production of LED chip LED LED lamp beads

Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM

Probe high frequency needle JTK-50L-Q has 5 needles in the high frequency needle

Photocoupler

A 4.032MHz crystal oscillator (256x horizontal line scan rate) drives a decimal counter. The binary output of the counter is given to R2. After a simple weighting network R5 of digital-to-analog conversion, the result will output a stepped video with a repetition rate of 15.75 kHz. This circuit can be used for amateur TV linear testing and setup.

Cigfun 600 Puffs

Single use e-cigarettes are discarded directly after use, can not recharge or replace e liquid. Most of new vaper experienced single use e-cigarette because of simple, easy to carry.

Cigfun is 2022 new vape brand, manufactured and distributed by Axiswell. Cigfun has been distributed to Spain, France, UK, USA, Russia, Brazil.

Cigfun 2ml e cig, also call disposable vape pen, has various flavor option, Watermelon Ice, Blueberry Raspberry, Peach Mango, Blueberry Pomegranate, Strawberry Peach Lemonade Ice, Red Apple Ice, BlackCurrant Menthol, Green apple ice, Blueberry Sour raspberry, Strawberry Ice cream, Kiwi Passionfruit Guava, Pineapple ice

The Cigfun disposable e cigarette has a nic strength of 2%, 3%, 5%. Pod is 2 mL, and a 400mAh battery, estimated give you 600 puffs

Axiswell always engaged in wholesale cheap price disposable vape pod, with 12 months warranty, healthy material, happy vaping experience.

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