What is it? 1.This board is Frequency Counter which was already assembled and tested. 2.Frequency measurement 1Hz to 60MHz and Auto Range. 3.Frequency Input Sensitivity 200mV to 300mV. Freque...Read More…
1.This board is Frequency Counter which was already assembled and tested.
2.Frequency measurement 1Hz to 60MHz and Auto Range.
3.Frequency Input Sensitivity 200mV to 300mV. Frequency Measure cycle 1 second.
4.Frequency Measure Accuracy: Guarantee ±0.01%.
5.Onboard Microchip PIC16F883 (Crystal Oscillator 20MHz, +/-20 ppm), better than others onboard PIC16F628A (4MHz) Frequency Counter.
6.Power Circuit (TO-220, 7805, Vin=7V~16V, Vout=5V).16x2 Character LCD Display Module HD44780 Controller blue black light.
7.Three Keyboards Circuit to select two Mode:
(2)60MHz Frequency Counter + IF Offset (User definable IF Offset).
8.The programmable Mode and IF offset parameters are stored in PIC16F883 non-volatile EEPROM.
9.Programmable display calculation: Direct, VFO+IF, VFO-IF, IF-VFO.
10.Display Voltage Meter & Temperature (You must buy Digital Temperature DS18B20 in additional).Read Frequency Counter value from UART Interface: UART interface Circuit (VCC,RX,TX,GND Pin) :19200 bps, 8 bits data, 1 stop bit, 1 start bit. Hyper Terminal which is free from Microsoft. to catch up the data to show on the screen
11.PCB Size: 83x48mm.
12.The kit is packed in a plastic box to protect the parts in the post.
13.Flat shipping rate for all countries. (By Registered Airmail delivery with tracking number)
14.The Registered Airmail tracking number you can check it on the following website. http://www.track-trace.com/post
15.Please hyperlink the following website to download the documentation(PDF)
|Shipping Rate||First item||Additional items|
Chunghwa Post: Economy International Shipping for all country
Varies for items shipped from an international location. Delivery times may vary, especially during peak periods. Shipping By Registered Airmail (Mail International Signed) delivery with tracking number for all countries.
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