Geiger_counter_uC_OSH_park
author: tkircher
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.
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.
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 |