OSHPARK
  • About Us
  • Services
  • Support
  • Sharing
  • Log in
  • Sign up
  • OSHPARK
  • About Us
  • Services
  • Support
  • Sharing
  • Log in

Geiger_counter_uC_OSH_park

author: tkircher
Top
Bottom

2 layer board of 1.32 x 1.40 inches (33.5 x 35.5 mm)
Uploaded: November 12, 2018
Shared: November 12, 2018
Total Price: $9.20

This is the event counter section of the geiger counter. It has two input channels and is based on the ATtiny841, with ATTinyCore.

Files on GitHub

Part list:

Part Value Footprint
IC1 ATTiny841 SO-14
IC2 MCP1703 SOT-23A
Q1-Q3 MMBT3904 SOT-23A
X1 11.0592MHz crystal ABM3-2SMD
LED1 Green LED 0805
C1,C2 22pF capacitor 0805
C3 0.1uF capacitor 0805
C4,C5 1uF capacitor 1206
C6,C7 220pF capacitor 0805
R1 10k ohm resistor 0805
R2 330 ohm resistor 0805
R3,R4 10k ohm resistors 0805
R5 2.2k ohm resistor 0805
R6 1k ohm resistor 0805
R7,R10 22k ohm resistors 0805
R8,R9 100k ohm resistors 0805

This is the event counter section of the geiger counter. It has two input channels and is based on the ATtiny841, with ATTinyCore.

Files on GitHub

Part list:

Part Value Footprint
IC1 ATTiny841 SO-14
IC2 MCP1703 SOT-23A
Q1-Q3 MMBT3904 SOT-23A
X1 11.0592MHz crystal ABM3-2SMD
LED1 Green LED 0805
C1,C2 22pF capacitor 0805
C3 0.1uF capacitor 0805
C4,C5 1uF capacitor 1206
C6,C7 220pF capacitor 0805
R1 10k ohm resistor 0805
R2 330 ohm resistor 0805
R3,R4 10k ohm resistors 0805
R5 2.2k ohm resistor 0805
R6 1k ohm resistor 0805
R7,R10 22k ohm resistors 0805
R8,R9 100k ohm resistors 0805
Top
Bottom
  • Actions

      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
      Order Board
    • Order Board
    • Download
    • Permalink
    • Embed link
Embeddable link to order this shared Project
  • COMPANY
  • About Us
  • Blog
  • Shop
  • SERVICES
  • Upload Your File
  • Prototypes
  • HELP
  • Support
  • If you can't find what you're looking for, please contact us at [email protected]
  • CONNECT
  • Shared Projects
  • Log in / Sign up
Whaleshark white
Follow us
© Copyright 2025 OSH Park, LLC | Privacy