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. 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:

• (1)60MHz Frequency Counter +Temperature & Voltage Meter

• (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)

• SkyDrive