Would you like to purchase some of the Arduino Compatible Kits and DIY Kits? If your answer is yes, then you could choose Banggood, which is one of the wholesale platform to provide you the cheap prices. This article, I will share you four products that you could have a look!
This is a Frequency Counter based on PIC microcontroller, add and subtract with crystal vibration measurement functions and programmable frequency Settings, five digital tube display, convenient and intuitive, easy to make.
It sells at a price of $ 7.29.
Descriptions:
Delicated high speed (HS) signal output up to 8MHz
DDS signal with variable amplitude and offset
DDS signals: sine, square, saw, rev saw ,triangle, ECG and noise
2 x 16 LCD menu, intuitive 5 button keypad
Frequency adjusting steps: 1, 10, 1000, 10000MHz
Restoring last configuration after power up
Has two outputs-one for DDS signal and another for high speed aquare signal
Material: PCB + Electronic Components
Power Supply: +5V / +12V / -12V
Menu Displey: 2 x 16 LCD
HS Signal Frequency: 1, 2, 4, 8MHz
Red Board Size: 8 x 8cm / 3.15 x 3.15in (L * W)
Screen Size: 6.5 x 1.5cm / 2.6 x 0.6in (L * W)
It is sold at a price of $ 12.69.
Features:
Chip: FT232RL
Draw out all signal port of FT232RL chip
RXD / TXD transceiver communication indicator
USB power supply, can choose 5V or 3.3V, set by jumper
With over current protection, using 500mA self-restore fuse
Pin definition: DTR, RXD, TX, VCC, CTS, GND
Pitch: 2.54mm
Size: 36 x 18mm (L x W)
Interface: Mini USB
It only sells $ 2.87.
Respectively control 16 red LED and 16 green LED microcontroller 32 IO port; an infrared transmitting tube, an infrared receiving tube, an infrared receiving plate on the tube rotates a circle. Let microcontroller know playing characters or images from which point start; Wireless power supply to the board through the coil.
This one is sold at a price of $ 10.8.
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