Nuclear Radiation Geiger Counter DIY Dosimeter Kit with LCD and free Windows Monitoring Software. Compatible with Arduino.

Geiger-Muller Tube, Cables, TTL Module and Battery are not included! Free shipping to Japan.

Geiger Counter DIY Kit for soldering and educational purpose. The device has adjustable high voltage stage. PIC16F628A MCU section of the circuit allow CPM count and uSv/hr real time radiation level calculation. The results are displayed on 16x2 LCD. Geiger Counter can be connected with PC through external USB-TTL module for CPM monitoring and logging. Arduino Compatible. 

New 1.02 Firmware! Maximum counting ability now is 175000 CPM (SBM-20 tube has 180000 cpm theoretical limit).

Technical Specifications:

• Geiger Tube PCB Compatibility: STS-5, SBM-20

• MCU can be pre-flashed for any Conversion Factor (0.0057 by default for SBM20)

• Supply Voltage: 5V USB or 4x Ni-Cd Battery

• Supply Current: 8.5mA - 25mA

• PCB Dimensions: 125 x 60 mm

• LCD 16x2 HD44780

• CPM Counting and uSv/hr Calculation

• 5 or 10 Seconds Measure Period, selected with DIP Switch

• Sound and Led Events Indication

• Alarm Threshold (1000 by default)

• UART Data CPM sending

• Freeware Windows Software for monitoring on your PC

• Easy High Voltage Adjustment with a regular 1M/10M Multimeter 350V-450V

• Shipping Weight: 200gr

• SKU: RH-K-GC-1

Radiation Detector DIY Kit ver. 2.01

The second edition of our Nuclear Radiation DIY Detector Kit. Arduino compatible kit. Simple assembling for the beginners. Can drive STS-5, SBM20 or J305 Geiger tubes on the PCB. Has voltage compatibility with all popular GM Tubes that requires anode voltage 350-480V.

The kit has visual and sound indication of the radiation and can be used as detector of dangerous radiation levels or radioactive materials in your environment. The board can communicate with ARDUINO UNO or other MCU.

Geiger Tube is not included and should to be purchased separately!

Technical specifications:

• Geiger Tube PCB Compatibility: STS-5, SBM-20, J305
  
• Geiger Tube Voltage Compatibility: All General GM Tubes with anode voltage 350-480V
  
• Sound and Visual Indication
• Arduino Compatible 
  
• Supply Voltage: 5V; 3x 1.5V Battery; 4x 1.2V Battery
  
• Include high impedance voltage divider
• Supply Current: 12mA - 30mA
• Dimensions: 120 x 50 mm
• Shipping Weight: 150gr
  
• SKU: RH-K-RD2
  

Accurate LC Meter DIY Kit with HD44780 LCD

LC Meter DIY Kit with all components and manufactured PCB. Based on open source LC Meter project by Phil Rice. Perfect kit for amateur home lab. Can be calibrated to 1% with any precision capacitor from 100pF to 10nF.  

Will measure any type capacitors from 1pF to 470nF, and any coils from 10nH to 20mH. The device must be powered from 9V DC power supply with 150-200mA.

Technical specifications:

• Capacitance Measure Range: 0.1pF to 470nF
  
• Inductance Measuring Range: 0.01uH to 20.0mH
  
• Accuracy: 1%
  
• PIC16F628A with Software Calibration
• Supply Voltage: 9V Regulated DC
• Supply Current: 63mA
• Dimensions: 50 x 85 x 35 mm
• Shipping Weight: 150gr
  
• SKU: RH-K-LC1
  

High Resolution Capacitance Meter DIY Kit (Advanced Edition) with LCD

New Edition of High Resolution Capacitance Meter. Can be excellent solution for your home lab. Required solder skill for assembling and testing. Now it has new PCB design, On/Off power switch, trimmer for calibration and easy LCD installation. The kit include LCD that can operate without backlight to improve battery life.

Technical specification:

• Very high resolution measure: from 3 to 7 digits!
• Wide measure range: 0pF to 50uF. Can be used to measure few picofarads ceramic capacitors up to 47uF electrolytic caps.
  
• Simple Calibration with a Screwdriver and Multimeter.
• Accuracy: 1% or better.
• Auto-zeroing, floating zero and negative capacitance (relative to zero).
• Simple Display LCD 16x02 Installation.
• Compact design for installing into project box or panel.
  
• Supply Voltage: 8V -12V DC, Can be powered from one 9V battery.
• Supply Current: 12mA
  
• On/Off Power Switch
  
• Shipping Weight: 150 gr
• SKU: RH-K-CM-4
  

XR2206 Function Generator DIY Kit 20Hz - 100KHz

Very simple DIY Kit of Function Generator based on XR2206 IC. The circuit was taken from the datasheet and adapted to our project condition.

The kit is not require calibration! But also has components included in case you want to have full control on it with a oscilloscope for calibration to 0.5% THD.

XR2206 Function Generator Kit is produce high quality Sine and Triangle wave outputs with high stability and accuracy. Square wave output is open collector type and can't be calibrated because of peculiar properties of the IC.

Technical Specification:

• Frequency's: 20Hz to 100KHz in 4 ranges with fine adjust
  

• Waveforms: Sine, Triangle, Square

• Supply Voltage: 12V

• Supply Current: 12-20mA

• PCB Dimensions: 73 x 38 mm

• Shipping Weight: 100 gr
  

• SKU: RH-K-FG-XR2206
  

Radiation Detector DIY Kit. Discounted product, new edition available here

Geiger Counter DIY Kit compatible with STS-5, SBM20 and SI3-BG tubes on the PCB. Has voltage compatibility with all popular GM Tubes that requires anode voltage 350-450V.

The kit has visual and sound indication of the radiation and can be used as detector of dangerous radiation levels or radioactive materials in your environment. The board can communicate with ARDUINO UNO.

Geiger Tube and 9V Battery is not included and should to be purchased separately!

Technical specifications:

• Geiger Tube PCB Compatibility: STS-5, SBM-20, SI3-BG
  
• Geiger Tube Voltage Compatibility: All General GM Tubes with anode voltage 350-450V
  
• Sound and Visual Indication
• Easy High Voltage Adjustment with a regular 1M multimeter.
  
• Supply Voltage: 9V Battery
  
• Supply Current: 6.5mA
• Dimensions: 115 x 75 mm
• Shipping Weight: 150gr
  
• SKU: RH-K-RD1
  

FM Transmitter J310 Module 97MHz - 102MHz DIY Kit

DIY FM Transmitter module based on J310 VCO. Has PLL compatibility. Can be tuned to desired frequency with variable multiturn resistor on the PCB. The kit include one ready hand-made coil.

Tuning process is easy but require some patience.

Technical specifications:

• Frequency: 97MHz - 102MHz with default kit coil
  
• Range: up to 25 meters in open field condition
  
• PLL Compatibility
• Modulation: Wide Band FM
• PC Line out Volume Level Compatibility
  
• PCB size: 4.00 x 3.50 cm
• Supply Voltage: 8 - 12V Regulated DC
• Supply Current: 12.5mA at 12V
• Easy DIY FM kit for the beginner
• Tuning with Varaibale Resistor
  
• Shipping Weight: 100 gr
• SKU: RH-K-J310
  

DIY Frequency Counter USB Module 1Hz to 50MHz with LCD Second Edition.

Whats new?

• 2 Layers High Quality PCB
• High Quality 4.000Mhz Crystal HC49U with 2x30pF NP0 Capacitors for better oscillator stability
  
• Easy LCD connection with no soldering. Now you can connect and disconnect the LCD from the board.

The Module is still powered from PC USB port +5V and do not required additional power supply. It has very compact sizes and can be installed to front panel of your project box or  enclosure. Excellent DIY Module for amateur home lab.

Technical specification:

• Auto Range Measure,  1Hz to 50MHz
• Measurement cycle 1 second
• Accuracy about 1%
• Input Sensitivity 100mV to 500mV AC peak
• Module Size: 85x40x35 mm
• Shipping Weight: 150 gr
  
• Easy to assemble and solder
• Easy LCD connection
• SKU: RH-K-FC-2
  

CePark Minimum Core PIC16F877A Microcontroller Development Board DIY Kit

Minimum core development board DIY kit for PIC16F877A microcontroller.

Technical specifications:

• Support PIC16F877A Microcontroller
• Support PICkit Connection
  
• Compact size 5.5 x 6 cm PCB
  
• Shipping Weight: 55 gr
• SKU: RH-K-DB877A
  

DIY Frequency Counter USB Module 1Hz to 50MHz with LCD.

Discounted product. New edition available here

Powered from PC USB port +5V and do not required additional power supply or battery. Very compact and can be installed to front panel of your project box or  enclosure. DIY Module designed for amateur home lab.

Technical specification:

• Auto Range Measure,  1Hz to 50MHz
• Measurement cycle 1 second
• Accuracy about 1%
• Input Sensitivity 100mV to 500mV AC peak
• Module Size: 85x40x35 mm
• Shipping Weight: 150 gr
  
• SKU: RH-K-FC-1
  

AT89S51/AT89S52/STC89S51/STC89S52 Microcontroller DIP 40 Mini Development Board DIY Kit

Minimum core development board DIY kit. All 40 pins has outputs from the board for the external connections.   

Technical specifications:

• Support AT89S51/52 STC89S51/52 Microcontrollers
• Compact size 6.5 x 3 cm
• Shipping Weight: 55 gr
• SKU: RH-K-DB89S52
  

PCB for DIY Accurate LC Meter.

High quality double layer PCB for LC Meter DIY Kit. LCD installation with 12 long pins 2.54 mm.

PCB specification:

• Dimension: 82 x 50 mm
  
• Double Layer
  
• Shipping Weight: 20.00 gr
  
• Color: Green
• SKU: RH-K-LC1-PCB
  

Package Include:

• PCB 1Pcs
• PDF with Components List
• PDF with circuit and full assembling instruction

PCB for DIY FM Transmitter J310 Module 97.00-102.00 MHz

High quality PCB for DIY project of J310 FM Transmitter DIY Kit.

PCB specification:

• Dimension: 4 x 3.5 cm
  
• Double Layer
  
• Shipping Weight: 20.00 gr
  
• Color: Green
• SKU: RH-K-J310-PCB
  

Package Include:

• PCB 1Pcs
• PDF with Components List
• PDF with circuit and full assembling instruction

PCB for DIY Function Generator XR2206 Kit 20Hz - 100KHz

High Quality Printed Circuit Board with green solder mask. The PCB is for DIY XR2206 Function Generator. The Circuit is in description. Please refer XR2206 datasheet documentation for the information about components explanation.

The frequency range capacitor C4 - C7 on the PCB is selected by jumper, or you can connect 1 Pole 4 Position Rotary Switch. Sine or Triangle Wave output can also be toggled with jumper or with external button.

The PCB has separate outputs for Square Wave and Sine/Triangle Wave forms. Outputs are duplicated so that you can connect a frequency counter.

If you can't reach a oscilloscope to calibrate the XR2206 Function Generator, then do not install R7 trimmer and adjust R8 to 200 ohm before power up the device!

PCB specification:

• Dimension: 73 x 38 mm
  
• Double Layer
  
• Shipping Weight: 20 gr
  
• Color: Green
• SKU: RH-K-FG-XR2206-PCB
  

PCB for DIY Frequency Counter USB Module 1Hz to 50MHz Second Edition.

High Quality Printed Circuit Board SE with green solder mask, silkscreen and via pads. The PCB is for Frequency Counter DIY Module SE. LCD installation with 16 Pin 2.54mm Single Row Female Pin Header and 2x 11mm Standoffs. +5V from USB PC port.

PCB specification:

• Dinension: 8 x 4 cm
  
• Double Layer
  
• Shipping Weight: 20 gr
  
• Color: Green
• SKU: RH-K-FC2-PCB
  

Package Include:

• PCB 1Pcs
• PDF Component List
• PDF with circuit and assembling instruction
• HEX file for PIC16F628A

PCB for DIY Frequency Counter USB Module 1Hz to 50MHz.

High quality PCB for DIY project of Frequency Counter Module. The module is powered from PC USB port +5V. It have very compact size and can be installed to front panel of your enclosure. LCD is soldered to PCB with 2x6 21mm Male Pin Header

PCB specification:

• Dimension: 8 x 4 cm
  
• Single Layer
  
• Shipping Weight: 20 gr
  
• Color: Green
• SKU: RH-K-FC1-PCB
  

Package Include:

• PCB 1Pcs
• PDF with Components List
• PDF with circuit and full assembling instruction
• HEX file for PIC16F628A